Ratings

DE GRAAF Jan C (Netherlands)

Ratings history

2023-04-25
2023-03-31
2023-02-28
2023-01-31
2022-12-31
2022-06-30
2021-12-31
2021-06-30
2020-12-31
2020-06-30
2019-12-31
2019-06-30
2018-12-31
2018-06-30
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2017-06-30
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2016-06-30
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254 tournaments
2068 results
Player ID: 4012
Rated 6 in Netherlands and T44 in Europe and T332 in the World
Latest rating: 2005
WOF online rating: 1800, view profile on Vint.ee

I started playing Othello (named Reversi) in 1986 on the first version of MS Windows. In 1999 I played my first tournament at the London Mind Sport Olympiad followed a few days later at the Paris EGP.

Since 2014, together with Marcel Sneek, I teach Othello at primary school 'de Burijn' in my city Alkmaar. So much fun.

My Othello highlight? So many highlights when playing Othello but playing WOC 2014 in Thailand and winning in round 8 versus Makoto Suekuni was probably my highlight.

2023

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2019
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1999

2023-03-05: 106th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	48-16	ILBRINK Jarl
PRASEPTYO Linda	34-30	DE GRAAF Jan C
DE GRAAF Jan C	45-19	KORTENDIJK Albert
AUBROECK Patrick	04-60	DE GRAAF Jan C
DE GRAAF Jan C	49-15	VAN DE MOORTEL Frauke
DE GRAAF Jan C	35-29	HOBO Roel
FRANSEN Martin	19-45	DE GRAAF Jan C

2023-01-29: 105th Dutch Othello Open(Netherlands)

ZILLIG Sanna	09-55	DE GRAAF Jan C
DE GRAAF Jan C	33-31	BRONSTRING Mischa
DUFOUR Mark	26-38	DE GRAAF Jan C
HOBO Roel	39-25	DE GRAAF Jan C
DE GRAAF Jan C	44-20	SNEEK Marcel
ZILLIG Remko	37-27	DE GRAAF Jan C
DE GRAAF Jan C	26-38	AUBROECK Patrick

2022-12-18: 104th Dutch Othello Open(Netherlands)

ZILLIG Sanna	16-48	DE GRAAF Jan C
DE GRAAF Jan C	38-26	AUBROECK Patrick
ZILLIG Remko	23-41	DE GRAAF Jan C
HOBO Roel	53-11	DE GRAAF Jan C
DE GRAAF Jan C	26-38	VAN DEN BIGGELAAR Nicky
DE GRAAF Jan C	50-14	DE GRAAF Wendy
VAN DEN BERG Erwin	31-33	DE GRAAF Jan C

2022-09-10: 2e Pijnacker Open(Netherlands)

DE GRAAF Jan C	64-00	SOETERBROEK Sil
DUFOUR Daniel	15-49	DE GRAAF Jan C
DE GRAAF Jan C	38-26	DUFOUR Mark
DE GRAAF Jan C	39-25	BRONSTRING Mischa

2022-07-30: German National Championship 2022(Germany)

BERG Matthias	34-30	DE GRAAF Jan C
DE GRAAF Jan C	43-21	NEUHAUS Sven
HOBO Roel	54-10	DE GRAAF Jan C
DE GRAAF Jan C	47-17	BLIJLEVEN Mireille
DE GRAAF Jan C	62-02	MURAWSKI Stefan
DE GRAAF Jasmijn	33-31	DE GRAAF Jan C
DE GRAAF Jan C	48-16	BEYER Guenther
ROSSLER Daniel	25-39	DE GRAAF Jan C
DE GRAAF Jan C	48-16	DE GRAAF Wendy

2022-07-17: 103rd Dutch Othello Open(Netherlands)

DUFOUR Mark	20-44	DE GRAAF Jan C
DE GRAAF Jan C	26-38	ZILLIG Remko
MULDER Bas	00-64	DE GRAAF Jan C
DE GRAAF Jan C	43-21	KORTENDIJK Bauke
HELMES Sido	25-39	DE GRAAF Jan C
DE GRAAF Jan C	35-29	HELMES Jiska
MADRONA Mario	32-32	DE GRAAF Jan C

2022-06-12: 102nd Dutch Open(Netherlands)

DE BOER Lawrence	00-64	DE GRAAF Jan C
DE GRAAF Jan C	18-46	VAN DEN BERG Erwin
BRONSTRING Mischa	32-32	DE GRAAF Jan C
DE GRAAF Jan C	46-18	DE BOER Sjoerd
DE GRAAF Jasmijn	17-47	DE GRAAF Jan C
DE GRAAF Jan C	38-26	HOBO Roel
AUBROECK Patrick	50-14	DE GRAAF Jan C

2022-05-22: 101st Dutch Othello Open(Netherlands)

DE GRAAF Jan C	64-00	SNEEK Linda
VAN DEN BERG Erwin	21-43	DE GRAAF Jan C
DE GRAAF Jan C	36-28	HOBO Roel
ZILLIG Remko	38-26	DE GRAAF Jan C
DE GRAAF Jan C	38-26	BERTRANDIAS Marc
AUBROECK Patrick	36-28	DE GRAAF Jan C
BRONSTRING Mischa	34-30	DE GRAAF Jan C

2022-04-10: 100th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	42-22	DUFOUR Mark
VAN DEN BERG Erwin	51-13	DE GRAAF Jan C
HELLING Koen	28-36	DE GRAAF Jan C
DE GRAAF Jan C	23-41	HOBO Roel
DE GRAAF Jan C	39-25	SNEEK Marcel
VAN DEN BIGGELAAR Nicky	39-25	DE GRAAF Jan C
DE GRAAF Jan C	56-08	BLANKENDAAL Judith

2021-08-01: 99th Dutch Othello Open(Netherlands)

ILBRINK Jarl	35-29	DE GRAAF Jan C
DE GRAAF Jan C	52-12	DUFOUR Daniel
DE GRAAF Jan C	41-23	SPANBROEK Meike
SNEEK Marcel	15-49	DE GRAAF Jan C
DE GRAAF Jan C	24-40	HOBO Roel
ZILLIG Remko	40-24	DE GRAAF Jan C
DE GRAAF Jan C	63-01	BLANKENDAAL Judith

2020-02-29: 98th Dutch Othello Open(Netherlands)

VAN DEN BERG Erwin	28-36	DE GRAAF Jan C
DE GRAAF Jan C	18-46	VAN DEN BIGGELAAR Nicky
DE GRAAF Jan C	29-35	AUBROECK Patrick
SNEEK Marcel	14-50	DE GRAAF Jan C
HOBO Roel	32-32	DE GRAAF Jan C
DE GRAAF Jan C	45-19	DUFOUR Daniel
KORTENDIJK Albert	40-24	DE GRAAF Jan C

2020-02-15: EGP Cambridge(Great-Britain)

DE GRAAF Jan C	33-31	PLOWMAN Luke
KASHIWABARA Takuji	50-14	DE GRAAF Jan C
DE GRAAF Jan C	24-40	LEADER Imre
TASTET Sophie	21-43	DE GRAAF Jan C
DE GRAAF Jan C	33-31	BERG Matthias
TURNER Ian	26-38	DE GRAAF Jan C
DE GRAAF Jan C	41-23	KYTE Bruce
DE GRAAF Jan C	45-19	HOBO Roel
TASTET Marc	31-33	DE GRAAF Jan C
DE GRAAF Jan C	27-37	PRIDMORE Ben
PLOWMAN Guy	49-15	DE GRAAF Jan C

2020-01-25: 97th Dutch Othello Open(Netherlands)

DUFOUR Mark	19-45	DE GRAAF Jan C
DE GRAAF Jan C	48-16	POVER Ella
VAN DEN BERG Erwin	38-26	DE GRAAF Jan C
DE GRAAF Jan C	50-14	ILBRINK Jarl
HOBO Roel	30-34	DE GRAAF Jan C
DE GRAAF Jan C	55-09	DUFOUR Daniel
SNEEK Marcel	25-39	DE GRAAF Jan C

2019-10-09 → 2019-10-11: WOC 2019(WOF)

DE GRAAF Jan C	48-16	PLOWMAN Mark
SCOGNAMIGLIO Paolo	29-35	DE GRAAF Jan C
DE GRAAF Jan C	24-40	TAKANASHI Yusuke
HEMPIJIT Woramet	20-44	DE GRAAF Jan C
DE GRAAF Jan C	35-29	LEE Chun Wai
SOHR Jaeyoung	30-34	DE GRAAF Jan C
TAKAHASHI Akihiro	46-18	DE GRAAF Jan C
DE GRAAF Jan C	38-26	SURY Bartlomiej
SONG Yan	45-19	DE GRAAF Jan C
DE GRAAF Jan C	22-42	LAM Maverick
WETTERGREN Niklas	30-34	DE GRAAF Jan C
DE GRAAF Jan C	27-37	AUNCHULEE Rujipas
DE GRAAF Jan C	40-24	MA Derek

2019-10-06: 24_Yamanashi_open(Japan)

DE GRAAF Jan C	41-23	ITAGAKI Kenichi
ASAKAWA Takuya	39-25	DE GRAAF Jan C
TATSUMI-IIJIMA Yukiko	33-31	DE GRAAF Jan C
DE GRAAF Jan C	33-31	KURIHARA Aru
MURAKAMI Takeshi	40-24	DE GRAAF Jan C
DE GRAAF Jan C	53-11	SAIKI Takaki

2019-07-14: 21e Open Nederlandse Othello Kampioenschap(Netherlands)

DE GRAAF Jan C	24-40	VAN DEN BIGGELAAR Nicky
DUFOUR Daniel	14-50	DE GRAAF Jan C
DE GRAAF Jan C	56-08	SNEEK Marcel
HOBO Roel	45-19	DE GRAAF Jan C
DE GRAAF Jan C	44-20	BLIJLEVEN Mireille
DE GRAAF Jan C	34-30	VAN DEN BERG Erwin
DE GRAAF Jasmijn	19-45	DE GRAAF Jan C

2019-06-16: 18e Iepen Fryske Othello Kampioenskippen(Netherlands)

DE VRIES Froukje	11-53	DE GRAAF Jan C
DE GRAAF Jan C	38-26	WILPSTRA Dafne
DE VRIES Jiske	17-47	DE GRAAF Jan C
DE GRAAF Jan C	40-24	HOBO Roel
BLIJLEVEN Mireille	15-49	DE GRAAF Jan C
VELDHUIZEN Aart	15-49	DE GRAAF Jan C

2019-05-26: 96th Dutch Othello Open(Netherlands)

VAN DEN BIGGELAAR Nicky	47-17	DE GRAAF Jan C
DE GRAAF Jan C	31-33	VAN DEN BERG Erwin
HOBO Roel	37-27	DE GRAAF Jan C
DE GRAAF Jan C	40-24	VAN DEN BIGGELAAR Nicky
VAN DEN BERG Erwin	37-27	DE GRAAF Jan C
DE GRAAF Jan C	41-23	HOBO Roel

2019-04-06: 95th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	47-17	SNEEK Linda
SNEEK Marcel	22-42	DE GRAAF Jan C
DE GRAAF Jan C	25-39	PRASEPTYO Linda
HOBO Roel	43-21	DE GRAAF Jan C
DE GRAAF Jan C	22-42	VAN DEN BERG Erwin
VAN DEN BIGGELAAR Nicky	31-33	DE GRAAF Jan C

2019-03-23 → 2019-03-24: Ghent European Grand Prix 2019(Belgium)

WETTERGREN Niklas	53-11	DE GRAAF Jan C
DE GRAAF Jan C	64-00	VERSTUYFT Eline
TASTET Marc	18-46	DE GRAAF Jan C
DE GRAAF Jan C	38-26	DE GRAAF Wendy
TASTET Remi	16-48	DE GRAAF Jan C
DE GRAAF Jan C	37-27	HOBO Roel
KASHIWABARA Takuji	26-38	DE GRAAF Jan C
DE GRAAF Jan C	24-40	VAN DEN BIGGELAAR Nicky
SCHOTTE Tom	19-45	DE GRAAF Jan C
DE GRAAF Jan C	48-16	BLIJLEVEN Mireille
VAN DEN BERG Erwin	43-21	DE GRAAF Jan C
VAN DEN BIGGELAAR Nicky	42-22	DE GRAAF Jan C

2019-03-10: 94th Dutch Othello Open(Netherlands)

HOBO Roel	35-29	DE GRAAF Jan C
DE GRAAF Jan C	63-01	SNEEK Linda
DE GRAAF Wendy	03-61	DE GRAAF Jan C
SNEEK Marcel	36-28	DE GRAAF Jan C
DE GRAAF Jan C	56-08	BLIJLEVEN Mireille
DE GRAAF Jasmijn	29-35	DE GRAAF Jan C
DE GRAAF Jan C	54-10	AFFATIGATO Carlo

2019-02-02: 93e Dutch Open(Netherlands)

DE GRAAF Jan C	38-26	AFFATIGATO Carlo
KORTENDIJK Albert	43-21	DE GRAAF Jan C
DE GRAAF Jan C	04-60	HOBO Roel
PRASEPTYO Linda	20-44	DE GRAAF Jan C
AUBROECK Patrick	20-44	DE GRAAF Jan C
DE GRAAF Jan C	29-35	VAN DEN BIGGELAAR Nicky

2019-01-05: 92e Dutch Othello Open(Netherlands)

TIMMERMANS Caroline	16-48	DE GRAAF Jan C
DE GRAAF Jan C	17-47	HOBO Roel
VERSTUYFT Eline	28-36	DE GRAAF Jan C
DE GRAAF Jan C	56-08	PRASEPTYO Linda
KORTENDIJK Albert	38-26	DE GRAAF Jan C
SNEEK Marcel	26-38	DE GRAAF Jan C
DE GRAAF Jan C	46-18	VAN DEN BERG Erwin

2018-10-10 → 2018-10-12: WOC 2018(WOF)

ZINCENKO Marina	07-57	DE GRAAF Jan C
DE GRAAF Jan C	12-52	FUKUCHI Keisuke
DE GRAAF Jan C	64-00	VERSTUYFT Eline
FELDBORG Karsten	21-43	DE GRAAF Jan C
DE GRAAF Jan C	31-33	LEADER Imre
ROSSLER Daniel	08-56	DE GRAAF Jan C
DE GRAAF Jan C	41-23	ROSE Brian
CUPIAL Milosz	44-20	DE GRAAF Jan C
DE GRAAF Jan C	18-46	TSUCHIYA Shotaro
SHIMIZU Naoki	40-24	DE GRAAF Jan C
DE GRAAF Jan C	51-13	TOUCHENE Fouad
SCHOTTE Tom	26-38	DE GRAAF Jan C
LUND Erik	42-22	DE GRAAF Jan C

2018-08-11 → 2018-08-12: EGP Copenhagen 2018(Denmark)

WIDMAN Linnea	12-52	DE GRAAF Jan C
DE GRAAF Jan C	31-33	FELDBORG Karsten
DE GRAAF Jan C	51-13	AAGAARD-HANSEN Jens
FRONMARK Marcus	07-57	DE GRAAF Jan C
DE GRAAF Jan C	31-33	WETTERGREN Niklas
FREIBURGHAUS Kim	51-13	DE GRAAF Jan C
STEENTOFT Benkt	15-49	DE GRAAF Jan C
DE GRAAF Jan C	61-03	ANDERSSON Christopher
DE GRAAF Jan C	29-35	EKLUND Oskar
MURAWSKI Stefan	26-38	DE GRAAF Jan C
DE GRAAF Jan C	27-37	KASHIWABARA Takuji

2018-07-14: 20e Open Nederlandse Othello Kampioenschap(Netherlands)

HOBO Roel	16-48	DE GRAAF Jan C
DE GRAAF Jan C	40-24	VAN DEN BERG Erwin
VAN DEN BIGGELAAR Nicky	38-26	DE GRAAF Jan C
DE GRAAF Jan C	22-42	KORTENDIJK Albert
DORBECK Anne	28-36	DE GRAAF Jan C
DE GRAAF Jan C	57-07	PRASEPTYO Linda
DE GRAAF Jan C	58-06	DE GRAAF Wendy

2018-06-23 → 2018-06-24: Rotterdam EGP 2018(Netherlands)

TASTET Remi	23-41	DE GRAAF Jan C
DE GRAAF Jan C	26-38	LEADER Imre
KORTENDIJK Albert	18-46	DE GRAAF Jan C
DE GRAAF Jan C	34-30	KASHIWABARA Takuji
VAN DEN BERG Erwin	26-38	DE GRAAF Jan C
DE GRAAF Jan C	09-55	VAN DEN BIGGELAAR Nicky
TASTET Marc	17-47	DE GRAAF Jan C
DE GRAAF Jan C	47-17	BERTRANDIAS Marc
BERG Matthias	27-37	DE GRAAF Jan C
DE GRAAF Jan C	23-41	SCHOTTE Tom
HOBO Roel	20-44	DE GRAAF Jan C
DE GRAAF Jan C	50-14	SCHOTTE Tom

2018-06-10: 17th Iepen Fryske Othello Kampioenskippen(Netherlands)

DE GRAAF Jan C	43-21	DORBECK Anne
WATERLANDER Haico	01-63	DE GRAAF Jan C
DE GRAAF Jan C	23-41	KORTENDIJK Albert
PRASEPTYO Linda	25-39	DE GRAAF Jan C
DE VRIES Anouk	22-42	DE GRAAF Jan C
DE GRAAF Jan C	32-32	HOBO Roel

2018-05-12 → 2018-05-13: EGP Rome 2018(Italy)

DE GRAAF Wendy	21-43	DE GRAAF Jan C
DE GRAAF Jan C	30-34	NAKAJIMA Tetsuya
DI COLA Severino	29-35	DE GRAAF Jan C
DE GRAAF Jan C	30-34	DI MATTEI Alessandro
PALLADINO Domenico	34-30	DE GRAAF Jan C
DE GRAAF Jan C	27-37	TORMENE Paolo
DE GRAAF Jasmijn	15-49	DE GRAAF Jan C
DE GRAAF Jan C	28-36	ALAMI Carlo
SPERANDIO Damiano	36-28	DE GRAAF Jan C
DE GRAAF Jan C	61-03	ORTIZ Alessandro
ARCARA Paolo	06-58	DE GRAAF Jan C

2018-05-06: 91e Dutch Othello Open(Netherlands)

VAN DEN BIGGELAAR Nicky	44-20	DE GRAAF Jan C
DE GRAAF Jan C	64-00	BLANKENDAAL Judith
PRASEPTYO Linda	35-29	DE GRAAF Jan C
DE GRAAF Jan C	64-00	SNEEK Linda
HERTOG Dailen	07-57	DE GRAAF Jan C
DE GRAAF Jan C	22-42	VAN DEN BERG Erwin
DE GRAAF Jan C	36-28	HOBO Roel

2018-04-14: 90e Dutch Othello Open(Netherlands)

KORTENDIJK Albert	31-33	DE GRAAF Jan C
DE GRAAF Jan C	38-26	SCHOTTE Tom
VAN DEN BERG Erwin	24-40	DE GRAAF Jan C
VAN DEN BIGGELAAR Nicky	30-34	DE GRAAF Jan C
DE GRAAF Jan C	47-17	HELMES Jiska
DE GRAAF Jan C	34-30	VORACEK Miroslav
HOBO Roel	24-40	DE GRAAF Jan C

2018-03-04: 89e Dutch Othello Open(Netherlands)

DE GRAAF Jan C	40-24	SNEEK Marcel
DE GRAAF Jan C	22-42	VAN DEN BERG Erwin
KORTENDIJK Albert	17-47	DE GRAAF Jan C
VAN DEN BIGGELAAR Nicky	45-19	DE GRAAF Jan C
DE GRAAF Jan C	40-24	DE GRAAF Jasmijn
ILBRINK Jarl	32-32	DE GRAAF Jan C
DE GRAAF Jan C	23-41	HOBO Roel

2018-02-17 → 2018-02-18: EGP Cambridge(Great-Britain)

PLOWMAN Luke	06-58	DE GRAAF Jan C
DE GRAAF Jan C	46-18	LAZARD Emmanuel
EKLUND Oskar	47-17	DE GRAAF Jan C
DE GRAAF Jan C	29-35	PRIDMORE Ben
BRAND Richard	00-64	DE GRAAF Jan C
DE GRAAF Jan C	32-32	FREIBURGHAUS Kim
BRAND Sophie	06-58	DE GRAAF Jan C
DE GRAAF Jan C	33-31	ROSSLER Daniel
LEADER Imre	41-23	DE GRAAF Jan C
KASHIWABARA Takuji	34-30	DE GRAAF Jan C
DE GRAAF Jan C	26-38	PLOWMAN Guy

2018-02-03: 88e Dutch Othello Open(Netherlands)

DE GRAAF Jan C	28-36	PRASEPTYO Linda
VAN DEN BIGGELAAR Nicky	42-22	DE GRAAF Jan C
DE GRAAF Jan C	40-24	ILBRINK Jarl
DE GRAAF Wendy	29-35	DE GRAAF Jan C
DE GRAAF Jan C	35-29	VAN DEN BERG Erwin
HOBO Roel	26-38	DE GRAAF Jan C

2018-01-20: 87e Dutch Othello Open(Netherlands)

DE GRAAF Jan C	61-03	DE VRIES Jiske
FRANSEN Martin	28-36	DE GRAAF Jan C
VAN DEN BIGGELAAR Nicky	49-15	DE GRAAF Jan C
DE GRAAF Jan C	30-34	HOBO Roel
HELMES Jiska	39-25	DE GRAAF Jan C
DE GRAAF Jan C	35-29	DE GRAAF Jasmijn
KAAIJ Sterre	17-47	DE GRAAF Jan C

2018-01-13: 1 Ursel Othello Open(Belgium)

REUNES Nick	28-36	DE GRAAF Jan C
DE GRAAF Jan C	41-23	CLAEYS Tony
SCHOTTE Tom	58-06	DE GRAAF Jan C
VAN DE MOORTEL Frauke	20-44	DE GRAAF Jan C
DE GRAAF Jan C	55-09	DE BOER Rosalinde
DE GRAAF Jan C	48-16	SNEEK Marcel
VERSTUYFT Bart	09-55	DE GRAAF Jan C

2017-09-02: 19e Open Nederlandse Othello kampioenschap(Netherlands)

DE GRAAF Jan C	28-36	VAN DEN BIGGELAAR Nicky
SNEEK Linda	05-59	DE GRAAF Jan C
DE GRAAF Jan C	51-13	VAN DEN BERG Erwin
FRANSEN Martin	29-35	DE GRAAF Jan C
DE GRAAF Jan C	30-34	HELMES Jiska
HOBO Roel	38-26	DE GRAAF Jan C

2017-07-28: EGP Ghent 2017(Belgium)

DE GRAAF Jan C	45-19	MAY Michael
REUNES Nick	31-33	DE GRAAF Jan C
DE GRAAF Jan C	20-44	BERG Matthias
SCHOTTE Tom	39-25	DE GRAAF Jan C
DE GRAAF Jan C	27-37	LEVY-ABEGNOLI Thierry
VERSTUYFT Jana	09-55	DE GRAAF Jan C
DE GRAAF Jan C	20-44	STEENTOFT Benkt
VAES Dimitri	04-60	DE GRAAF Jan C
DE GRAAF Jan C	21-43	ZEMELKA Jan
VAN DE MOORTEL Frauke	12-52	DE GRAAF Jan C
DE GRAAF Jan C	25-39	WETTERGREN Niklas

2017-07-01: 86e Dutch Othello Open(Netherlands)

DE GRAAF Jan C	45-19	LIMBACH Esmee
KORTENDIJK Albert	12-52	DE GRAAF Jan C
DE GRAAF Jan C	24-40	VAN DEN BIGGELAAR Nicky
DE VRIES Jiske	11-53	DE GRAAF Jan C
DE GRAAF Jan C	50-14	VAN DEN BERG Erwin
VAN DE MOORTEL Frauke	20-44	DE GRAAF Jan C
DE GRAAF Jan C	20-44	SCHOTTE Tom

2017-06-24: 2nd Waarschoot Othello Open(Belgium)

REUNES Nick	33-31	DE GRAAF Jan C
DE GRAAF Jan C	44-20	NICHOLLS Frederic
DE GRAAF Jan C	31-33	DE BOER Rosalinde
BLIJLEVEN Mireille	20-44	DE GRAAF Jan C
DE GRAAF Jan C	39-25	VAN DAMME Brecht
SCHOTTE Tom	34-30	DE GRAAF Jan C

2017-06-11: 16th Iepen Fryske Othello Kampioenskippen(Netherlands)

KUPERUS Holbe	11-53	DE GRAAF Jan C
DE GRAAF Jan C	61-03	KUPERUS Arend
FRANSEN Martin	57-07	DE GRAAF Jan C
DE GRAAF Jan C	49-15	DE VRIES Anouk
SNEEK Marcel	41-23	DE GRAAF Jan C
DE GRAAF Jan C	51-13	BLANKENDAAL Judith

2017-05-07: 85th Dutch Othello Open(Netherlands)

AUBROECK Patrick	28-36	DE GRAAF Jan C
DE GRAAF Jan C	22-42	HOBO Roel
FRANSEN Martin	32-32	DE GRAAF Jan C
DE GRAAF Jan C	52-12	BLANKENDAAL Judith
ILBRINK Jarl	18-46	DE GRAAF Jan C
DE GRAAF Jan C	37-27	VAN DEN BIGGELAAR Nicky
DE GRAAF Jan C	34-30	SNEEK Marcel

2017-04-17: Ghent Easter Tournament(Belgium)

DE GRAAF Jan C	23-41	VAN DAMME Brecht
VAN DE MOORTEL Frauke	26-38	DE GRAAF Jan C
DE GRAAF Jan C	47-17	POLIAKOFF Pierre
DE GRAAF Wendy	29-35	DE GRAAF Jan C
DE VRIES Anouk	18-46	DE GRAAF Jan C
DE GRAAF Jan C	23-41	SCHOTTE Tom
DE BOER Akke-Lien	29-35	DE GRAAF Jan C

2017-03-26: 84nd Dutch Othello Open(Netherlands)

DE GRAAF Jan C	47-17	VAN BATEN Quinn
DE VRIES Jiske	25-39	DE GRAAF Jan C
DE GRAAF Jan C	15-49	VAN DEN BERG Erwin
BLANKENDAAL Judith	07-57	DE GRAAF Jan C
DE GRAAF Jan C	41-23	HELMES Jiska
HOBO Roel	19-45	DE GRAAF Jan C
PRASEPTYO Linda	36-28	DE GRAAF Jan C

2017-03-05: 83th Dutch Othello Open(Netherlands)

FRANSEN Martin	32-32	DE GRAAF Jan C
DE GRAAF Jan C	30-34	HELMES Jiska
DORBECK Anne	13-51	DE GRAAF Jan C
DE GRAAF Jan C	35-29	VAN DEN BERG Erwin
SCHOTTE Tom	37-27	DE GRAAF Jan C
DE GRAAF Jan C	50-14	VAN GIMST Anja
BLANKENDAAL Judith	07-57	DE GRAAF Jan C

2017-02-04: 82nd Dutch Othello Open(Netherlands)

DORBECK Anne	29-35	DE GRAAF Jan C
DE GRAAF Jan C	49-15	VAN GIMST Anja
HELMES Jiska	30-34	DE GRAAF Jan C
DE GRAAF Jan C	22-42	AUBROECK Patrick
DE GRAAF Jan C	30-34	VAN DEN BIGGELAAR Nicky
HOBO Roel	47-17	DE GRAAF Jan C
DE GRAAF Jan C	36-28	HELMES Sido

2017-01-15: 5e Ghent Othello Open(Belgium)

VAN DAMME Brecht	16-48	DE GRAAF Jan C
DE GRAAF Jan C	30-34	STEENTOFT Benkt
VERSTUYFT Jana	25-39	DE GRAAF Jan C
DE GRAAF Jan C	41-23	PRASEPTYO Linda
FRANSEN Martin	17-47	DE GRAAF Jan C
DE GRAAF Jan C	33-31	SCHOTTE Tom
SNEEK Marcel	22-42	DE GRAAF Jan C

2016-11-02 → 2016-11-04: WOC 2016 (Mito)(WOF)

KINOSHITA Hisako	36-28	DE GRAAF Jan C
DE GRAAF Jan C	47-17	LEE Mikael
YUAN Ke	29-35	DE GRAAF Jan C
DE GRAAF Jan C	08-56	STENBERG Veronica
LAI Meng Joo	47-17	DE GRAAF Jan C
DE GRAAF Jan C	24-40	KIM Seongchan
KOBEHI Guy Herve	00-64	DE GRAAF Jan C
DE GRAAF Jan C	22-42	LANG Yongzhi
SCOGNAMIGLIO Paolo	34-30	DE GRAAF Jan C
DE GRAAF Jan C	19-45	VALLUND Henrik
MURAWSKI Stefan	16-48	DE GRAAF Jan C
DE GRAAF Jan C	23-41	DOUDA Tomas
OUREGA Loh Jeannot	13-51	DE GRAAF Jan C

2016-09-10 → 2016-09-11: EGP Amsterdam 2016(Netherlands)

KASHIWABARA Takuji	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	TASTET Marc
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
TANIDA Kunihiko	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	ATAMANOV Dmitriy
HORTON John	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DEN BERG Erwin
VAN SEGGELEN Trees	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel
FRANSEN Martin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KORTENDIJK Albert

2016-06-19: 18e Nederlandse Othello Kampioenschap(Netherlands)

DE GRAAF Jan C	lost to	KORTENDIJK Albert
SNEEK Marcel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	PRASEPTYO Linda
HOBO Roel	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
DE GRAAF Jan C	won against	SNEEK Linda

2016-06-12: 15th Iepen Fryske Othello Kampioenskippen(Netherlands)

DE GRAAF Jan C	won against	KUPERUS Arend
DE GRAAF Wendy	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	SCHOTTE Tom
LIMBACH Esmee	lost to	DE GRAAF Jan C
KORTENDIJK Albert	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	FRANSEN Martin

2016-05-15: 11th Antwerp Othello Open(Belgium)

DE GRAAF Jan C	31-33	REUNES Nick
NICHOLLS Frederic	28-36	DE GRAAF Jan C
DE GRAAF Jan C	38-26	VAN DE MOORTEL Frauke
MAY Michael	21-43	DE GRAAF Jan C
DE GRAAF Jan C	19-45	HOBO Roel
VAN DAMME Brecht	35-29	DE GRAAF Jan C
DE GRAAF Jan C	63-01	VAN DAMME Jan

2016-05-07 → 2016-05-08: EGP Copenhagen(Denmark)

SCHOTTE Tom	22-42	DE GRAAF Jan C
DE GRAAF Jan C	28-36	EKLUND Oskar
FAHLESON Rikard	22-42	DE GRAAF Jan C
DE GRAAF Jan C	14-50	YAMAKAWA Takashi
TASTET Marc	30-34	DE GRAAF Jan C
DE GRAAF Jan C	28-36	FELDBORG Karsten
JOHANSSON Erik	16-48	DE GRAAF Jan C
DE GRAAF Jan C	24-40	EVERTS Jeroen
STEENTOFT Benkt	38-26	DE GRAAF Jan C
DE GRAAF Jan C	51-13	WIDMAN Linnea
BADSTED Palle	01-63	DE GRAAF Jan C

2016-04-24: 81th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	45-19	FRANSEN Martin
VAN DEN BIGGELAAR Nicky	35-29	DE GRAAF Jan C
SNEEK Marcel	28-36	DE GRAAF Jan C
DE GRAAF Jan C	54-10	VAN DE MOORTEL Frauke
DE GRAAF Jan C	36-28	HOBO Roel
SNEEK Linda	21-43	DE GRAAF Jan C

2016-03-28: Ghent Easter Tournament 2016(Belgium)

VAN DAELE Kris	15-49	DE GRAAF Jan C
DE GRAAF Jan C	27-37	VAES Dimitri
NICHOLLS Frederic	38-26	DE GRAAF Jan C
DE GRAAF Jan C	40-24	MAY Michael
DE BOER Akke-Lien	16-48	DE GRAAF Jan C
DE GRAAF Jan C	19-45	SCHOTTE Tom

2016-03-13: 80th Dutch Othello Open(Netherlands)

VAN DEN BERG Erwin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
DE VRIES Anouk	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DEN BIGGELAAR Nicky
HOBO Roel	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DE MOORTEL Frauke
FRANSEN Martin	won against	DE GRAAF Jan C

2016-02-27 → 2016-02-28: EGP Cambridge 2016(Great-Britain)

BRIGHTWELL Graham	43-21	DE GRAAF Jan C
DE GRAAF Jan C	18-46	PLOWMAN Guy
BRAND Henry	10-54	DE GRAAF Jan C
DE GRAAF Jan C	60-04	BRAND Sophie
PRIDMORE Ben	21-43	DE GRAAF Jan C
DE GRAAF Jan C	21-43	LEADER Imre
PLOWMAN Luke	06-58	DE GRAAF Jan C
DE GRAAF Jan C	54-10	PLOWMAN Mark
SCHOTTE Tom	41-23	DE GRAAF Jan C
DE GRAAF Jan C	18-46	KASHIWABARA Takuji
DE GRAAF Jan C	61-03	BRAND Lucy

2016-02-13: 79th Dutch Othello Open(Netherlands)

VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
BLIJLEVEN Mireille	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel
VAN DEN BERG Erwin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	ILBRINK Jarl
VAN DE MOORTEL Frauke	lost to	DE GRAAF Jan C

2016-01-10: 78th Dutch Othello Open(Netherlands)

VAN DE MOORTEL Frauke	lost to	DE GRAAF Jan C
BLANKENDAAL Judith	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	DORBECK Anne
DE GRAAF Jan C	lost to	HOBO Roel
DE GRAAF Jan C	won against	SNEEK Marcel
DE GRAAF Wendy	lost to	DE GRAAF Jan C
DE VRIES Anouk	lost to	DE GRAAF Jan C

2015-10-29 → 2015-10-31: WOC 2015 (Cambridge)(WOF)

BUKA Michal	12-52	DE GRAAF Jan C
DE GRAAF Jan C	55-09	ITURBIDE Paula
BERG Matthias	41-23	DE GRAAF Jan C
DE GRAAF Jan C	38-26	LUND Erik
AUNCHULEE Rujipas	29-35	DE GRAAF Jan C
DE GRAAF Jan C	50-14	SURY Bartlomiej
SUEKUNI Makoto	36-28	DE GRAAF Jan C
DE GRAAF Jan C	12-52	FU Jacky
DE GRAAF Jan C	18-46	ITO Junya
LEADER Imre	37-27	DE GRAAF Jan C
DE GRAAF Jan C	34-30	BACH Gunnar
SPERANDIO Roberto	38-26	DE GRAAF Jan C
FUNATSU Asuka	31-33	DE GRAAF Jan C

2015-09-13: Dutch championship(Netherlands)

KORTENDIJK Albert	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
DE GRAAF Jan C	won against	VAN DE MOORTEL Frauke
VAN SEGGELEN Trees	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
DE GRAAF Jan C	won against	SCHOTTE Tom
VAN DEN BERG Erwin	lost to	DE GRAAF Jan C

2015-09-06: 32nd Belgian Championship Zonhoven(Belgium)

PEPERKAMP Marcel	42-22	DE GRAAF Jan C
DE GRAAF Jan C	28-36	SCHOTTE Tom
SNEEK Marcel	12-52	DE GRAAF Jan C
DE GRAAF Jan C	40-24	VAN DE MOORTEL Frauke
REUNES Nick	43-21	DE GRAAF Jan C
DE GRAAF Jan C	42-22	VAES Dimitri

2015-08-29 → 2015-08-30: EGP Paris(France)

LEVY-ABEGNOLI Thierry	18-46	DE GRAAF Jan C
DE GRAAF Jan C	21-43	TASTET Marc
BENOIT Serge	19-45	DE GRAAF Jan C
DE GRAAF Jan C	33-31	JUIGNER Arthur
ANDRIANI Sandry	36-28	DE GRAAF Jan C
DE GRAAF Jan C	09-55	KASHIWABARA Takuji
BUSUTTIL Michel	11-53	DE GRAAF Jan C
DE GRAAF Jan C	21-43	HOBO Roel
JUIGNER Felix	19-45	DE GRAAF Jan C
DE GRAAF Jan C	18-46	DELAUNAY Arnaud

2015-08-23: 77th Dutch Othello Open(Netherlands)

VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DE MOORTEL Frauke
VAN DEN BERG Erwin	lost to	DE GRAAF Jan C
HOBO Roel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
DE GRAAF Jan C	won against	DE VRIES Anouk
DORBECK Anne	lost to	DE GRAAF Jan C

2015-08-01 → 2015-08-02: EGP Ghent 2015(Belgium)

VAES Dimitri	31-33	DE GRAAF Jan C
DE GRAAF Jan C	43-21	PRASEPTYO Linda
DE GRAAF Jan C	14-50	LEADER Imre
KORTENDIJK Albert	05-59	DE GRAAF Jan C
MARCONI Francesco	37-27	DE GRAAF Jan C
DE GRAAF Jan C	27-37	AUBROECK Patrick
JUIGNER Felix	26-38	DE GRAAF Jan C
DE GRAAF Jan C	38-26	HOBO Roel
WETTERGREN Niklas	39-25	DE GRAAF Jan C
DE GRAAF Jan C	22-42	VAN DEN BERG Erwin
FRANSEN Martin	12-52	DE GRAAF Jan C

2015-06-28: 76th Dutch Othello Open(Netherlands)

HOBO Roel	32-32	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN SEGGELEN Trees
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
VAN DEN BERG Erwin	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	SNEEK Marcel
DE GRAAF Jan C	lost to	AUBROECK Patrick
VAN DE MOORTEL Frauke	lost to	DE GRAAF Jan C

2015-06-14: 14th Iepen Fryske Kampioenskippen(Netherlands)

SNEEK Marcel	31-33	DE GRAAF Jan C
SCHOTTE Tom	34-30	DE GRAAF Jan C
DE GRAAF Jan C	42-22	LIMBACH Esmee
DE GRAAF Jan C	39-25	FRANSEN Martin
DE VRIES Froukje	07-57	DE GRAAF Jan C
DE GRAAF Jan C	55-09	KUPERUS Holbe

2015-05-31: 10th Antwerpen Othello Open(Belgium)

DE GRAAF Jan C	39-25	REUNES Nick
VAN DE MOORTEL Frauke	27-37	DE GRAAF Jan C
DE GRAAF Jan C	34-30	HOBO Roel
DE GRAAF Jan C	25-39	KORTENDIJK Albert
VAN DEN BIGGELAAR Nicky	43-21	DE GRAAF Jan C
SCHOTTE Tom	32-32	DE GRAAF Jan C
DE GRAAF Jan C	43-21	VAN DAMME Brecht

2015-04-26: 75 Dutch open(Netherlands)

FRANSEN Martin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel
DE GRAAF Jan C	won against	VAN DE MOORTEL Frauke
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
VAN DE MOORTEL Frauke	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DEN BIGGELAAR Nicky

2015-04-06: Ghent Easter Tournament(Belgium)

DARCK Nancy	10-54	DE GRAAF Jan C
SCHOTTE Tom	45-19	DE GRAAF Jan C
DE GRAAF Jan C	44-20	VAN DAMME Brecht
DE GRAAF Jan C	37-27	DE WAEL Jeroen
DE GRAAF Jan C	36-28	KORTENDIJK Albert
FRANSEN Martin	26-38	DE GRAAF Jan C
DE GRAAF Jan C	39-25	PRASEPTYO Linda

2015-03-21 → 2015-03-22: EGP Berlin(Germany)

DE GRAAF Jan C	32-32	BADSTED Palle
BERG Matthias	55-09	DE GRAAF Jan C
DE GRAAF Jan C	21-43	HOBO Roel
MURAWSKI Stefan	12-52	DE GRAAF Jan C
DE GRAAF Jan C	19-45	KASHIWABARA Takuji
LEADER Imre	47-17	DE GRAAF Jan C
DE GRAAF Jan C	41-23	SCHAAF Michael
DE GRAAF Jan C	27-37	ROSSLER Daniel
ZEMELKA Jan	13-51	DE GRAAF Jan C
VAN DEN BIGGELAAR Nicky	28-36	DE GRAAF Jan C

2015-03-08: 74 Dutch open(Netherlands)

FRANSEN Martin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KORTENDIJK Albert
ILBRINK Jarl	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	PRASEPTYO Linda
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	SNEEK Marcel
VAN DEN BERG Erwin	lost to	DE GRAAF Jan C

2015-02-14 → 2015-02-15: EGP Prague(Czech Republic)

VERNEROVA Andrea	21-43	DE GRAAF Jan C
DE GRAAF Jan C	45-19	HVEZDOVA Jitka
VORACEK Miroslav	43-21	DE GRAAF Jan C
DE GRAAF Jan C	42-22	SNEEK Marcel
LEADER Imre	26-38	DE GRAAF Jan C
DE GRAAF Jan C	05-59	KASHIWABARA Takuji
JUIGNER Arthur	25-39	DE GRAAF Jan C
DE GRAAF Jan C	39-25	JUIGNER Felix
DE GRAAF Jan C	20-44	MARCONI Francesco
HOBO Roel	21-43	DE GRAAF Jan C
DE GRAAF Jan C	38-26	TASTET Marc

2015-01-24: 73 Dutch open(Netherlands)

DE GRAAF Jan C	won against	SNEEK Marcel
VAN DE MOORTEL Frauke	lost to	DE GRAAF Jan C
DE GRAAF Jan C	32-32	HOBO Roel
AUBROECK Patrick	won against	DE GRAAF Jan C
VAN DEN HEUVEL Bowien	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	DE VRIES Jiske

2014-11-06 → 2014-11-08: WOC 2014 (Bangkok)(WOF)

CHEW Ching Wuen	41-23	DE GRAAF Jan C
DE GRAAF Jan C	45-19	GAERTNER Joerg
KASHIWABARA Takuji	34-30	DE GRAAF Jan C
DE GRAAF Jan C	38-26	FRONMARK Marcus
BERG Matthias	30-34	DE GRAAF Jan C
DE GRAAF Jan C	41-23	VINAR Matt
YAP Siew Kun	24-40	DE GRAAF Jan C
DE GRAAF Jan C	34-30	SUEKUNI Makoto
OKAMOTO Kazuki	41-23	DE GRAAF Jan C
DE GRAAF Jan C	50-14	HUGHES Scott
NAKANO Jo	33-31	DE GRAAF Jan C
DE GRAAF Jan C	15-49	VORACEK Miroslav
YANG Kelvin	29-35	DE GRAAF Jan C

2014-09-07: Belgian Championship(Belgium)

DE GRAAF Jan C	41-23	SNEEK Marcel
MAY Michael	03-61	DE GRAAF Jan C
DE GRAAF Jan C	43-21	VAN DAMME Jan
HELMES Sido	26-38	DE GRAAF Jan C
SCHOTTE Tom	44-20	DE GRAAF Jan C
DE GRAAF Jan C	34-30	HELMES Jiska
DE WAEL Jeroen	25-39	DE GRAAF Jan C

2014-08-31: 16th Nederlands Kampioenschap(Netherlands)

DE GRAAF Jan C	lost to	HELMES Sido
FRANSEN Martin	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
ILBRINK Jarl	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	GEURTS Alfons
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C

2014-07-20: 72th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	VAN DE MOORTEL Frauke
FRANSEN Martin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	32-32	HOBO Roel
SNEEK Marcel	lost to	DE GRAAF Jan C
HOBO Roel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	FRANSEN Martin

2014-06-21 → 2014-06-22: EGP Den Hoorn 2014(Netherlands)

DE GRAAF Jan C	40-24	MARCONI Francesco
KASHIWABARA Takuji	42-22	DE GRAAF Jan C
DE GRAAF Jan C	54-10	SNEEK Marcel
TASTET Marc	41-23	DE GRAAF Jan C
DE GRAAF Jan C	16-48	HOBO Roel
FRANSEN Martin	32-32	DE GRAAF Jan C
DE GRAAF Jan C	14-50	LEADER Imre
AUBROECK Patrick	29-35	DE GRAAF Jan C
DE GRAAF Jan C	22-42	VAN DEN BERG Erwin
VAN SEGGELEN Trees	11-53	DE GRAAF Jan C
VAN DEN BIGGELAAR Nicky	35-29	DE GRAAF Jan C

2014-06-15: 13th Iepen Frysky KampioenSkippen(Netherlands)

KORTENDIJK Bauke	12-52	DE GRAAF Jan C
DE GRAAF Jan C	50-14	KUPERUS Holbe
PRASEPTYO Linda	12-52	DE GRAAF Jan C
DE GRAAF Jan C	54-10	ILBRINK Jarl
KORTENDIJK Albert	20-44	DE GRAAF Jan C
DE GRAAF Jan C	43-21	SNEEK Marcel

2014-05-18: 9th Antwerpen Othello Open(Belgium)

REUNES Nick	27-37	DE GRAAF Jan C
DE GRAAF Jan C	23-41	SCHOTTE Tom
MAY Michael	13-51	DE GRAAF Jan C
DE GRAAF Jan C	13-51	KORTENDIJK Albert
SNEEK Marcel	35-29	DE GRAAF Jan C
DE GRAAF Jan C	54-10	VAN DAMME Jan
DE GRAAF Jan C	16-48	PRASEPTYO Linda

2014-05-11: 71th Dutch Othello Open(Netherlands)

FRANSEN Martin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel
VAN DEN BERG Erwin	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
DE GRAAF Jan C	32-32	VAN DEN BIGGELAAR Nicky
AUBROECK Patrick	won against	DE GRAAF Jan C

2014-03-16: 70th Dutch Othello Open(Netherlands)

AUBROECK Patrick	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	KORTENDIJK Albert
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	FRANSEN Martin
HOBO Roel	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DEN BERG Erwin
DE GRAAF Jan C	won against	SNEEK Marcel

2014-03-01 → 2014-03-02: EGP Cambridge(Great-Britain)

ARNOLD Roy	14-50	DE GRAAF Jan C
DE GRAAF Jan C	24-40	LEADER Imre
PLOWMAN Guy	10-54	DE GRAAF Jan C
DE GRAAF Jan C	42-22	MARSON Phil
KASHIWABARA Takuji	33-31	DE GRAAF Jan C
DE GRAAF Jan C	22-42	DELAUNAY Arnaud
BERG Matthias	32-32	DE GRAAF Jan C
DE GRAAF Jan C	16-48	LAZARD Emmanuel
THEODOSIOU Pantelis	43-21	DE GRAAF Jan C
PLOWMAN Luke	22-42	DE GRAAF Jan C

2014-02-02: 69th Dutch Othello Open(Netherlands)

HOBO Roel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	AUBROECK Patrick
FRANSEN Martin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
DE GRAAF Jan C	won against	VAN DEN BERG Erwin
SNEEK Marcel	lost to	DE GRAAF Jan C

2013-09-29: Belgian Championship 2013 (Zonhoven)(Belgium)

FRANSEN Martin	33-31	DE GRAAF Jan C
DE GRAAF Jan C	52-12	DE BOER Rosalinde
VUYE Cedric	16-48	DE GRAAF Jan C
DE GRAAF Jan C	50-14	REUNES Nick
VAN DEN BIGGELAAR Nicky	53-11	DE GRAAF Jan C
DE GRAAF Jan C	17-47	HOBO Roel
PRASEPTYO Linda	06-58	DE GRAAF Jan C

2013-09-15: Dutch Barrage 2013(Netherlands)

DE GRAAF Jan C	35-29	HELMES Sido
FRANSEN Martin	35-29	DE GRAAF Jan C
VAN DEN BERG Erwin	18-46	DE GRAAF Jan C
DE GRAAF Jan C	30-34	VAN DEN BERG Erwin
DE GRAAF Jan C	32-32	FRANSEN Martin
HELMES Sido	37-27	DE GRAAF Jan C

2013-09-08: Dutch Championship 2013(Netherlands)

HOBO Roel	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SCHOTTE Tom
PRASEPTYO Linda	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	AUBROECK Patrick
DE GRAAF Jan C	won against	SNEEK Marcel
HOETJES Tim	lost to	DE GRAAF Jan C

2013-08-11: 68th Dutch Othello Open(Netherlands)

VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BERG Erwin
DE GRAAF Jan C	lost to	STEENTOFT Benkt
ILBRINK Jarl	won against	DE GRAAF Jan C
SNEEK Marcel	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HELMES Jiska

2013-07-27 → 2013-07-28: EGP Ghent(Belgium)

DE GRAAF Jan C	55-09	VAN SEGGELEN Trees
PEPERKAMP Marcel	32-32	DE GRAAF Jan C
DE GRAAF Jan C	22-42	SCHOTTE Tom
VORACEK Miroslav	37-27	DE GRAAF Jan C
DE GRAAF Jan C	60-04	TURNER Kali
HELMES Jiska	22-42	DE GRAAF Jan C
DE GRAAF Jan C	31-33	PIHLAJAPURO Katie
MAY Michael	21-43	DE GRAAF Jan C
DE GRAAF Jan C	53-11	STEENTOFT Benkt
ODEGARD Martin	34-30	DE GRAAF Jan C
DE GRAAF Jan C	29-35	TURNER Ian

2013-07-13: Formex Medical Othello Open 2013(Netherlands)

DE GRAAF Jan C	25-39	FRANSEN Martin
HOBO Roel	44-20	DE GRAAF Jan C
DE GRAAF Jan C	32-32	SNEEK Marcel
PRASEPTYO Linda	20-44	DE GRAAF Jan C
DE GRAAF Jan C	39-25	VAN HEERE Mark
HELMES Sido	36-28	DE GRAAF Jan C

2013-06-09: 12th Iepen Frysky KampioenSkippen(Netherlands)

HOBO Roel	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	FONSECA NEVES Natascha
DE GRAAF Jan C	lost to	PRASEPTYO Linda
KUPERUS Arend	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	KUPERUS Holbe
KORTENDIJK Albert	won against	DE GRAAF Jan C

2013-05-19: 8th Antwerpen Othello Open(Belgium)

DE GRAAF Jan C	41-23	STEENTOFT Benkt
VAES Dimitri	18-46	DE GRAAF Jan C
REUNES Nick	30-34	DE GRAAF Jan C
DE GRAAF Jan C	41-23	HOBO Roel
PEPERKAMP Marcel	38-26	DE GRAAF Jan C
DE GRAAF Jan C	47-17	MAY Michael
DE GRAAF Jan C	20-44	HELMES Sido

2013-05-12: 66th Dutch Othello Open(Netherlands)

SCHOTTE Tom	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BERG Erwin
ILBRINK Jarl	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel
FRANSEN Martin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DEN BIGGELAAR Nicky
SNEEK Marcel	lost to	DE GRAAF Jan C

2013-04-01: Ghent Easter Tournament 2013(Belgium)

VAES Dimitri	19-45	DE GRAAF Jan C
DE GRAAF Jan C	27-37	SCHOTTE Tom
DE WAEL Jeroen	39-25	DE GRAAF Jan C
DE GRAAF Jan C	55-09	GRANDJEAN Laurent
VANHOUTTE Tine	20-44	DE GRAAF Jan C
VAN DAMME Brecht	06-58	DE GRAAF Jan C
DE GRAAF Jan C	20-44	PRASEPTYO Linda

2013-03-24: 65th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	FRANSEN Martin
VAES Dimitri	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
VAN HEERE Mark	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel
KORTENDIJK Albert	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	AUBROECK Patrick

2013-02-10: Open de Liege(Belgium)

DE GRAAF Jan C	43-21	FRANSEN Martin
SCHOTTE Tom	32-32	DE GRAAF Jan C
DE GRAAF Jan C	44-20	SNEEK Marcel
MAY Michael	30-34	DE GRAAF Jan C

2013-01-12: Dutch Othello Open 64(Netherlands)

SCHOTTE Tom	30-34	DE GRAAF Jan C
DE GRAAF Jan C	40-24	KORTENDIJK Albert
PRASEPTYO Linda	57-07	DE GRAAF Jan C
DE GRAAF Jan C	28-36	HOBO Roel
VAN DEN BIGGELAAR Nicky	49-15	DE GRAAF Jan C
SNEEK Marcel	32-32	DE GRAAF Jan C
DE GRAAF Jan C	34-30	VAN DEN BERG Erwin

2012-11-03 → 2012-11-04: Koln International pre-WOC(Germany)

EVERS Leo	00-64	DE GRAAF Jan C
DE GRAAF Jan C	26-38	BERG Matthias
YANG Kelvin	28-36	DE GRAAF Jan C
DE GRAAF Jan C	32-32	WEBER Art
VYAS Mehul	00-64	DE GRAAF Jan C
HOBO Roel	58-06	DE GRAAF Jan C
DE GRAAF Jan C	45-19	SCHAAF Michael
JUIGNER Arthur	35-29	DE GRAAF Jan C
DE GRAAF Jan C	21-43	ROSSLER Daniel
DE GRAAF Jan C	42-22	SHIFMAN Leonid
BADSTED Palle	42-22	DE GRAAF Jan C

2012-09-29 → 2012-09-30: Dutch open championship(Netherlands)

DE GRAAF Jan C	lost to	HOBO Roel
STEENTOFT Benkt	won against	DE GRAAF Jan C
SNEEK Marcel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	FRANSEN Martin
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
AUBROECK Patrick	won against	DE GRAAF Jan C

2012-08-26: 63th Dutch Othello Open(Netherlands)

ARJEN Ketelaar	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
DE GRAAF Jan C	lost to	HELMES Jiska
DE GRAAF Jan C	won against	GEURTS Alfons
ILBRINK Jarl	lost to	DE GRAAF Jan C
DE BOER Rosalinde	lost to	DE GRAAF Jan C
HOETJES Tim	32-32	DE GRAAF Jan C

2012-08-19: Belgian Championship(Belgium)

DE GRAAF Jan C	40-24	MAY Michael
SCHOTTE Tom	36-28	DE GRAAF Jan C
DE GRAAF Jan C	27-37	VAES Dimitri
FRANSEN Martin	34-30	DE GRAAF Jan C
DE GRAAF Jan C	53-11	VAN DE ZANDE Josbert
JUIGNER Arthur	56-08	DE GRAAF Jan C

2012-07-15: 62th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	lost to	VAN HEERE Mark
SNEEK Marcel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DEN BERG Erwin
FRANSEN Martin	lost to	DE GRAAF Jan C
KORTENDIJK Albert	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky

2012-06-03: 11e Iepen Frysky KampioenSkippen(Netherlands)

DE GRAAF Jan C	37-27	FRANSEN Martin
DE GRAAF Jan C	48-16	SNEEK Marcel
HOBO Roel	46-18	DE GRAAF Jan C
HOEKSTRA Henk	04-60	DE GRAAF Jan C
DE GRAAF Jan C	31-33	KORTENDIJK Albert
PRASEPTYO Linda	29-35	DE GRAAF Jan C

2012-05-27: 7th Zonhoven Othello Open(Belgium)

SCHOTTE Tom	53-11	DE GRAAF Jan C
DE GRAAF Jan C	52-12	VAES Dimitri
DE GRAAF Jan C	21-43	VAN DEN BIGGELAAR Nicky
MAY Michael	25-39	DE GRAAF Jan C
DE GRAAF Jan C	64-00	FRANSEN Martin
PEPERKAMP Marcel	38-26	DE GRAAF Jan C
SNEEK Marcel	31-33	DE GRAAF Jan C
DE GRAAF Jan C	14-50	HOBO Roel

2012-05-12 → 2012-05-13: EGP Copenhagen(Denmark)

TASTET Marc	42-22	DE GRAAF Jan C
DE GRAAF Jan C	13-51	BADSTED Palle
AAGAARD-HANSEN Jens	13-51	DE GRAAF Jan C
DE GRAAF Jan C	43-21	FRANSEN Martin
DE GRAAF Jan C	32-32	DELAUNAY Arnaud
VAN DEN BIGGELAAR Nicky	49-15	DE GRAAF Jan C
DE GRAAF Jan C	53-11	SNEEK Marcel
KASHIWABARA Takuji	51-13	DE GRAAF Jan C
DE GRAAF Jan C	32-32	VALLUND Henrik
DE GRAAF Jan C	30-34	HOBO Roel

2012-04-28: Antwerp Othello Open 2012(Belgium)

DE GRAAF Jan C	25-39	CANTAMESSA Alessandro
ILBRINK Jarl	05-59	DE GRAAF Jan C
DE GRAAF Jan C	26-38	KORTENDIJK Albert
HELMES Jiska	35-29	DE GRAAF Jan C
DE GRAAF Jan C	49-15	ILITCH Juliette
SNEEK Marcel	50-14	DE GRAAF Jan C
DE BOER Akke-Lien	24-40	DE GRAAF Jan C

2012-04-07 → 2012-04-08: EGP Gouda 2012(Netherlands)

DE GRAAF Jan C	won against	VAN DEN BIGGELAAR Nicky
SCHOTTE Tom	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KASHIWABARA Takuji
ZILLIG Remko	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	TASTET Marc
HELMES Jiska	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	FRANSEN Martin
AUBROECK Patrick	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	ILBRINK Jarl
PRASEPTYO Linda	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	AUZENDE Frederic

2012-03-10: 61th Dutch Othello Open(Netherlands)

HELMES Jiska	34-30	DE GRAAF Jan C
DE GRAAF Jan C	24-40	VAN DEN BERG Erwin
SAHINIDOU Elena	14-50	DE GRAAF Jan C
DE GRAAF Jan C	37-27	MAY Michael
VAN SEGGELEN Trees	00-64	DE GRAAF Jan C
DE GRAAF Jan C	30-34	KORTENDIJK Albert
VAN GIMST Anja	31-33	DE GRAAF Jan C

2012-02-25 → 2012-02-26: EGP Cambridge(Great-Britain)

SCHOTTE Tom	50-14	DE GRAAF Jan C
DE GRAAF Jan C	34-30	MORENO Borja
HOBO Roel	62-02	DE GRAAF Jan C
DE GRAAF Jan C	20-44	NICOLET Stephane
SNEEK Marcel	26-38	DE GRAAF Jan C
DE GRAAF Jan C	46-18	PRIDMORE Ben
DE GRAAF Jan C	26-38	VAN DEN BERG Erwin
VAN HEERE Mark	40-24	DE GRAAF Jan C
DE GRAAF Jan C	21-43	FRANSEN Martin
STANZIONE Pierluigi	37-27	DE GRAAF Jan C

2012-02-04: Liege Othello Open(Belgium)

VAN DAMME Brecht	24-40	DE GRAAF Jan C
DE GRAAF Jan C	55-09	ILITCH Juliette
DE GRAAF Jan C	38-26	SCHOTTE Tom
BERG Matthias	34-30	DE GRAAF Jan C
MAY Michael	17-47	DE GRAAF Jan C
DE GRAAF Jan C	25-39	CANTAMESSA Alessandro

2012-01-29: 60th Dutch Othello Open(Netherlands)

VAN GIMST Anja	28-36	DE GRAAF Jan C
HOBO Roel	45-19	DE GRAAF Jan C
DE GRAAF Jan C	34-30	VAN HEERE Mark
VAN DER WAGT Ben	39-25	DE GRAAF Jan C
DE GRAAF Jan C	21-43	AUBROECK Patrick
DE GRAAF Jan C	43-21	FRANSEN Martin
DE GRAAF Jan C	30-34	VAN DEN BERG Erwin

2011-09-04: Barrage Dutch WOC team(Netherlands)

DE GRAAF Jan C	12-52	VAN HEERE Mark
HOBO Roel	31-33	DE GRAAF Jan C
DE GRAAF Jan C	37-27	FRANSEN Martin
DE GRAAF Jan C	22-42	HOBO Roel
VAN HEERE Mark	12-52	DE GRAAF Jan C
FRANSEN Martin	14-50	DE GRAAF Jan C

2011-07-30 → 2011-07-31: EGP Ghent(Belgium)

REUNES Nick	16-48	DE GRAAF Jan C
SNEEK Marcel	38-26	DE GRAAF Jan C
DE GRAAF Jan C	24-40	SCHOTTE Tom
DE GRAAF Jan C	47-17	STEENTOFT Benkt
REMUE Jan	00-64	DE GRAAF Jan C
DE GRAAF Jan C	27-37	VAN DEN BERG Erwin
DE BOER Rosalinde	16-48	DE GRAAF Jan C
LEADER Imre	41-23	DE GRAAF Jan C
DE GRAAF Jan C	36-28	PEPERKAMP Marcel
KASHIWABARA Takuji	41-23	DE GRAAF Jan C
DE GRAAF Jan C	18-46	CHIARULLI Giuseppe

2011-07-17: Dutch championship(Netherlands)

SCHOTTE Tom	44-20	DE GRAAF Jan C
DE GRAAF Jan C	25-39	MEIJER Arnoud
DE GRAAF Corrie	07-57	DE GRAAF Jan C
DE GRAAF Jan C	46-18	VAN GIMST Anja
HOBO Roel	38-26	DE GRAAF Jan C
DE GRAAF Jan C	45-19	HELMES Jiska
ILBRINK Jarl	27-37	DE GRAAF Jan C

2011-06-25 → 2011-06-26: EGP Koln(Germany)

DE GRAAF Jan C	16-48	HAND David
BERG Matthias	50-14	DE GRAAF Jan C
DE GRAAF Jan C	35-29	ROSSLER Daniel
VAES Dimitri	22-42	DE GRAAF Jan C
DE GRAAF Jan C	31-33	SCHMIDT Sebastian
OFFERZIER Beate	37-27	DE GRAAF Jan C
DE GRAAF Jan C	52-12	BEYER Guenther
DE GRAAF Jan C	43-21	WINKLER Lars
DE GRAAF Corrie	13-51	DE GRAAF Jan C

2011-06-12: 10e Iepen Frysky KampioenSkippen(Netherlands)

DE GRAAF Jan C	34-30	VAN DEN BERG Erwin
SCHOTTE Tom	44-20	DE GRAAF Jan C
DE GRAAF Jan C	22-42	SNEEK Marcel
KORTENDIJK Albert	32-32	DE GRAAF Jan C
DE GRAAF Jan C	57-07	HOOGENBOOM Raymon
ILBRINK Jarl	20-44	DE GRAAF Jan C

2011-05-28 → 2011-05-29: Nordic championship(Sweden)

DE GRAAF Jan C	34-30	WETTERGREN Niklas
ASPENRYD Henry	32-32	DE GRAAF Jan C
DE GRAAF Jan C	43-21	STEENTOFT Benkt
VALLUND Henrik	10-54	DE GRAAF Jan C
DE GRAAF Jan C	20-44	FRONMARK Marcus
STENBERG Veronica	23-41	DE GRAAF Jan C
ENG Tintin	12-52	DE GRAAF Jan C
DE GRAAF Jan C	26-38	LAZARD Emmanuel
ZILLIG Remko	11-53	DE GRAAF Jan C
TURUNEN Daniel	38-26	DE GRAAF Jan C
DE GRAAF Jan C	58-06	SNEEK Marcel
LAZARD Emmanuel	37-27	DE GRAAF Jan C

2011-05-22: 59th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	ZILLIG Remko
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	SCHOTTE Tom
FRANSEN Martin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
VAN HEERE Mark	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	AUBROECK Patrick

2011-04-30 → 2011-05-01: EGP Moss(Norway)

ODEGARD Martin	28-36	DE GRAAF Jan C
DE GRAAF Jan C	31-33	HOBO Roel
ZIEBA Grzegorz	23-41	DE GRAAF Jan C
DE GRAAF Jan C	27-37	LEADER Imre
VAN HEERE Mark	29-35	DE GRAAF Jan C
BERGLUND Caroline	35-29	DE GRAAF Jan C
DE GRAAF Jan C	34-30	TVEDT Sverre
AUBROECK Patrick	19-45	DE GRAAF Jan C
DE GRAAF Jan C	44-20	VAN DEN BERG Erwin
DE GRAAF Jan C	22-42	DELAUNAY Arnaud
KASHIWABARA Takuji	36-28	DE GRAAF Jan C

2011-04-24: 58th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	lost to	VAN HEERE Mark
ZILLIG Remko	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	ILBRINK Jarl
SNEEK Marcel	32-32	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DER WAGT Jan
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Corrie	lost to	DE GRAAF Jan C

2011-04-17: Antwerpen Othello Open(Belgium)

VAN DEN BERG Erwin	56-08	DE GRAAF Jan C
DE GRAAF Jan C	41-23	SNEEK Marcel
SCHOTTE Tom	23-41	DE GRAAF Jan C
DE GRAAF Jan C	32-32	VAES Dimitri
DE GRAAF Jan C	18-46	HOBO Roel
FRANSEN Martin	47-17	DE GRAAF Jan C

2011-03-06: 57th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	HOETJES Tim
DE GRAAF Jan C	won against	VAN DEN BIGGELAAR Nicky
VAN DER WAGT Ben	won against	DE GRAAF Jan C
SCHOTTE Tom	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BERG Erwin
AUBROECK Patrick	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	ILBRINK Jarl

2011-01-16: 56th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	VAN DEN BERG Erwin
SCHOTTE Tom	won against	DE GRAAF Jan C
DE GRAAF Corrie	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HELMES Jiska
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	CANTAMESSA Alessandro
DE GRAAF Jan C	won against	VAN DER WAGT Jan

2010-11-11 → 2010-11-13: WOC 2010 (Roma)(WOF)

DE GRAAF Jan C	40-24	HELMES Jiska
SPERANDIO Roberto	45-19	DE GRAAF Jan C
DE GRAAF Jan C	42-22	MUNCH Marlena
KASHIWABARA Takuji	35-29	DE GRAAF Jan C
DE GRAAF Jan C	24-40	FANG Randy
SAMCHENKO Alexandr	48-16	DE GRAAF Jan C
DE GRAAF Jan C	35-29	SKOGEN Tor Birger
VECCHI Elisabetta	08-56	DE GRAAF Jan C
DE GRAAF Jan C	53-11	DE CAMARGO Lucas
KRAIKOKIT Piamrat	48-16	DE GRAAF Jan C
DE GRAAF Jan C	34-30	SOKANKATE Nichkamol
LEVY-ABEGNOLI Thierry	26-38	DE GRAAF Jan C
DE GRAAF Jan C	29-35	FU Jacky

2010-09-04 → 2010-09-05: Dutch championship(Netherlands)

AUBROECK Patrick	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOETJES Tim
FRANSEN Martin	lost to	DE GRAAF Jan C
HOBO Roel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	ZILLIG Remko
VAN DEN BERG Erwin	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	FRANSEN Martin
DE GRAAF Jan C	won against	AUBROECK Patrick
HOETJES Tim	lost to	DE GRAAF Jan C
ZILLIG Remko	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOBO Roel
DE GRAAF Jan C	won against	VAN DEN BERG Erwin

2010-08-15: 55th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	GROENENDIJK Baukje
HOBO Roel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOETJES Tim
PRASEPTYO Linda	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DEN BIGGELAAR Nicky
VAN DEN BERG Erwin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	KORTENDIJK Albert

2010-08-08 → 2010-08-09: Koln International(Germany)

BOHNERT Hans	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	MEIBOM Arne
SCHAAF Michael	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	SCHMIDT Sebastian
MURAWSKI Stefan	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	BERG Matthias
SNEEK Marcel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOBO Roel
DE GRAAF Jan C	won against	BEYER Guenther
ROSSLER Daniel	lost to	DE GRAAF Jan C
HELMES Jiska	lost to	DE GRAAF Jan C
HOBO Roel	won against	DE GRAAF Jan C

2010-07-11: 54th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	FRANSEN Martin
HOETJES Tim	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	SNEEK Marcel
DE GRAAF Jan C	won against	DE GRAAF Corrie
VAN DEN BERG Erwin	lost to	DE GRAAF Jan C
HOBO Roel	lost to	DE GRAAF Jan C

2010-06-13: 9e Iepen Frysky KampioenSkippen(Netherlands)

VAN HALDEREN Peter	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	KORTENDIJK Bauke
PRASEPTYO Linda	lost to	DE GRAAF Jan C
KORTENDIJK Albert	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	AUGUSTIJN Arjan
KAMPHUIS Bo	lost to	DE GRAAF Jan C

2010-05-30: 53 Dutch Open(Netherlands)

STRAATMAN Ellen	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	LUBBERS Lammie
VAN HALDEREN Peter	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	ZILLIG Remko
HOBO Roel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	DE GRAAF Corrie
VAN DEN BERG Erwin	won against	DE GRAAF Jan C

2010-04-17 → 2010-04-18: EGP Koedijk(Netherlands)

DE GRAAF Jan C	lost to	LEADER Imre
VAN DEN BIGGELAAR Nicky	32-32	DE GRAAF Jan C
ZILLIG Remko	won against	DE GRAAF Jan C
DE GRAAF Jan C	32-32	CUPIAL Milosz
STERRENBURG Raymond	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAES Dimitri
KRACZYK Roman	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	KROESE Emiel
TOMEI Robin	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	ROSSLER Daniel
PECZKOWSKI Pawel	won against	DE GRAAF Jan C

2010-03-21: 52 Dutch Open(Netherlands)

VAN HALDEREN Peter	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
VAN WINKEL Suzanne	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DEN BERG Erwin
ZILLIG Remko	32-32	DE GRAAF Jan C
DE GRAAF Jan C	won against	SCHOTTE Tom
AUBROECK Patrick	won against	DE GRAAF Jan C

2010-02-27 → 2010-02-28: EGP Cambridge(Great-Britain)

HAND David	38-26	DE GRAAF Jan C
DE GRAAF Jan C	40-24	PRIDMORE Ben
TURNER Alison	26-38	DE GRAAF Jan C
DE GRAAF Jan C	25-39	ROBINSON Steven
ROBISON Aidan	02-62	DE GRAAF Jan C
DE GRAAF Jan C	05-59	HUBBARD Geoff
TURNER Ian	32-32	DE GRAAF Jan C
DE GRAAF Jan C	19-45	SNEEK Marcel
DE GRAAF Jan C	47-17	DE GRAAF Corrie
ARNOLD Roy	37-27	DE GRAAF Jan C
TURNER Tanith	06-58	DE GRAAF Jan C

2010-02-14: 51 Dutch Open(Netherlands)

DE GRAAF Jan C	won against	VAN GIMST Anja
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel
HELMES Jiska	lost to	DE GRAAF Jan C
HELMES Sido	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	AUBROECK Patrick
BOOMSTRA Ronald	lost to	DE GRAAF Jan C

2010-01-16 → 2010-01-17: EGP Roma(Italy)

LAI Fabrizio	13-51	DE GRAAF Jan C
DE GRAAF Jan C	15-49	KASHIWABARA Takuji
STRADA Fabio	40-24	DE GRAAF Jan C
DE GRAAF Jan C	47-17	SABATINI Gianluca
ALAMI Carlo	29-35	DE GRAAF Jan C
DE GRAAF Jan C	23-41	ZILLIG Remko
SAIZ Ruben	38-26	DE GRAAF Jan C
DE GRAAF Jan C	37-27	MODELLATORE Tonya
DI PIETRO Massimo	21-43	DE GRAAF Jan C
DE GRAAF Jan C	17-47	SCOGNAMIGLIO Paolo
ILACQUA Gianluca	9-55	DE GRAAF Jan C

2010-01-10: 50 Dutch Open(Netherlands)

HELMES Jiska	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
HELMES Sido	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	DE GRAAF Corrie
DE GRAAF Jan C	lost to	VAN DEN BERG Erwin

2009-10-03 → 2009-10-04: Dutch championship(Netherlands)

HELMES Sido	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
DE GRAAF Jan C	won against	AUBROECK Patrick
HOBO Roel	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOETJES Tim
DE GRAAF Jan C	won against	KORTENDIJK Albert
FRANSEN Martin	lost to	DE GRAAF Jan C
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	HELMES Sido
DE GRAAF Jan C	lost to	FRANSEN Martin
AUBROECK Patrick	won against	DE GRAAF Jan C
KORTENDIJK Albert	won against	DE GRAAF Jan C
HOETJES Tim	32-32	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOBO Roel

2009-09-13: 49th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	lost to	VAN GIMST Anja
SNEEK Marcel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOBO Roel
VAN DEN BERG Erwin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	AUBROECK Patrick
VAN DEN BIGGELAAR Nicky	lost to	DE GRAAF Jan C
PRASEPTYO Linda	lost to	DE GRAAF Jan C

2009-08-29 → 2009-08-30: EGP Paris(France)

NOWAK Dominik	44-20	DE GRAAF Jan C
OVION Jacques	07-57	DE GRAAF Jan C
DE GRAAF Jan C	23-41	AUZENDE Frederic
DE GRAAF Jan C	16-48	FEINSTEIN Joel
SNEEK Marcel	25-39	DE GRAAF Jan C
DE GRAAF Jan C	29-35	KRACZYK Roman
LEBLANC Aurelien	30-34	DE GRAAF Jan C
DE GRAAF Jan C	30-34	CASPARD Emmanuel
HELMES Jiska	19-45	DE GRAAF Jan C
HOBO Roel	28-36	DE GRAAF Jan C
DE GRAAF Jan C	43-21	FURET Thomas

2009-08-01 → 2009-08-02: EGP Ghent(Belgium)

TURNER Kali	17-47	DE GRAAF Jan C
DE GRAAF Jan C	25-39	SNEEK Marcel
ORTIZ George	15-49	DE GRAAF Jan C
DE GRAAF Jan C	26-38	ROGOSZ Magdalena
DE GRAAF Jan C	09-55	ROSSLER Daniel
TURNER Alison	27-37	DE GRAAF Jan C
DE GRAAF Jan C	37-27	FRANSEN Martin
SCHOTTE Tom	17-47	DE GRAAF Jan C
BERG Matthias	41-23	DE GRAAF Jan C
DE GRAAF Jan C	45-19	DE WAEL Jeroen

2009-07-12: 48th Dutch Othello Open(Netherlands)

FRANSEN Martin	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	HELMES Jiska
DE GRAAF Corrie	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	MEIJER Arnoud
HOBO Roel	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	AUBROECK Patrick
ORTIZ George	lost to	DE GRAAF Jan C

2009-06-20 → 2009-06-21: EGP Gdansk(Poland)

PRZYWOSKI Lukasz	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
LILLA Kamil	won against	DE GRAAF Jan C
MARCINIAK Bartosz	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SZYSZKO Krzysztof
DE GRAAF Jan C	won against	ZIEBA Grzegorz
DE GRAAF Jan C	won against	CUPIAL Milosz
PECZKOWSKI Pawel	won against	DE GRAAF Jan C
KAZIMIERCZUK Mariusz	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	KRACZYK Roman

2009-06-14: 8e Iepen Frysky KampioenSkippen(Netherlands)

DE GRAAF Jan C	lost to	FRANSEN Martin
DE BOER Akke-Lien	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	PRASEPTYO Linda
KORTENDIJK Albert	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOBO Roel
DE GRAAF Jan C	lost to	SCHOTTE Tom

2009-06-06 → 2009-06-07: EGP Koeln(Germany)

VAES Dimitri	31-33	DE GRAAF Jan C
DE GRAAF Jan C	24-40	SZALANKIEWICZ Marek
ZIEBA Grzegorz	20-44	DE GRAAF Jan C
DE GRAAF Jan C	15-49	KASHIWABARA Takuji
SCHAAF Michael	28-36	DE GRAAF Jan C
DE GRAAF Jan C	23-41	SCHOTTE Tom
YE Liya	17-47	DE GRAAF Jan C
SCHMIDT Sebastian	27-37	DE GRAAF Jan C
DE GRAAF Jan C	31-33	ORTIZ George
DE GRAAF Jan C	49-15	SNEEK Marcel
HOBO Roel	48-16	DE GRAAF Jan C

2009-05-16: 47th Dutch Othello Open(Netherlands)

LUBBERS Jan	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	DE GRAAF Corrie
DE GRAAF Jan C	lost to	HOETJES Tim
FRANSEN Martin	lost to	DE GRAAF Jan C
VAN DIJK Marieke	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
HELMES Sido	lost to	DE GRAAF Jan C

2009-04-04 → 2009-04-05: EGP Alkmaar(Netherlands)

DE GRAAF Jan C	lost to	PECZKOWSKI Pawel
DE GRAAF Jan C	lost to	KASHIWABARA Takuji
BLUM Gerhard	lost to	DE GRAAF Jan C
STERRENBURG Raymond	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	NICOLET Stephane
SZYSZKO Lukasz	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	ZIEBA Grzegorz
MODELLATORE Tonya	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	YE Liya
SCHAAF Michael	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN GIMST Anja

2009-02-01: 46th Dutch Othello Open(Netherlands)

HELMES Jiska	lost to	DE GRAAF Jan C
DE GRAAF Jan C	32-32	HELMES Sido
PRASEPTYO Linda	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOBO Roel
KORTENDIJK Albert	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	ORTIZ George
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C

2008-12-14: 45th Dutch Ohello Open(Netherlands)

HELMES Jiska	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	LUBBERS Lammie
SNEEK Marcel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOBO Roel
EVERTS Jeroen	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HELMES Sido
HOETJES Tim	won against	DE GRAAF Jan C

2008-11-20 → 2008-11-22: WOC 2008 (Oslo)(WOF)

DE GRAAF Jan C	49-15	GAERTNER Joerg
TAKIZAWA Masaki	52-12	DE GRAAF Jan C
DE GRAAF Jan C	49-15	HANDEL Michael
HIRVONEN Patrik	31-33	DE GRAAF Jan C
DE GRAAF Jan C	39-25	PANAJARN Linsue
TATSUMI-IIJIMA Yukiko	22-42	DE GRAAF Jan C
DE GRAAF Jan C	24-40	BARNABA Donato
MIYAOKA Tamaki	28-36	DE GRAAF Jan C
DE GRAAF Jan C	31-33	HAUGLAND Jan Kristian
DE GRAAF Jan C	30-34	BARRE Sebastien
SPERANDIO Roberto	47-17	DE GRAAF Jan C
DE GRAAF Jan C	47-17	SCHORETITS Markus

2008-10-05: Dutch championhsip, main category(Netherlands)

DE GRAAF Jan C	lost to	ZILLIG Remko
DE GRAAF Jan C	32-32	AUBROECK Patrick
TOMEI Robin	lost to	DE GRAAF Jan C
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	HELMES Sido
DE GRAAF Jan C	won against	MEIJER Arnoud
HOBO Roel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	TOMEI Robin
DE GRAAF Jan C	won against	HOBO Roel
HELMES Sido	lost to	DE GRAAF Jan C
AUBROECK Patrick	lost to	DE GRAAF Jan C
ZILLIG Remko	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky

2008-09-27 → 2008-09-28: EGP Prague(Czech Republic)

NOWAK Dominik	33-31	DE GRAAF Jan C
DE GRAAF Jan C	16-48	FRANSEN Martin
HELMES Jiska	16-48	DE GRAAF Jan C
DE GRAAF Jan C	64-00	VLASAK Janos
CUPIAL Milosz	29-35	DE GRAAF Jan C
SZALANKIEWICZ Marek	42-22	DE GRAAF Jan C
DE GRAAF Jan C	43-21	HOETJES Tim
DE GRAAF Jan C	16-48	DOUDA Tomas
RYBARIK Jan	08-56	DE GRAAF Jan C
DE GRAAF Jan C	10-54	VAN DEN BIGGELAAR Nicky

2008-08-24: 44th Dutch Ohello Open(Netherlands)

HOBO Roel	32-32	DE GRAAF Jan C
DE GRAAF Jan C	won against	ZILLIG Remko
SNEEK Marcel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN GIMST Anja
MEIJER Arnoud	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
DE GRAAF Jan C	won against	HELMES Jiska

2008-07-26 → 2008-07-27: EGP Ghent(Belgium)

DE GRAAF Jan C	won against	MODELLATORE Tonya
SCHOTTE Tom	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KASHIWABARA Takuji
SCHOTTE Bram	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel
ANDRIANI Bintsa	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	FLOCKMAN Annie
MAY Michael	lost to	DE GRAAF Jan C
DE BOER Rosalinde	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
DE BOER Akke-Lien	lost to	DE GRAAF Jan C

2008-07-20: 43rd Dutch Othello Open(Netherlands)

SNEEK Marcel	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HELMES Sido
DE GRAAF Corrie	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	ORTIZ George
ZILLIG Remko	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	FRANSEN Martin
HELMES Jiska	lost to	DE GRAAF Jan C

2008-06-15: 7e Iepen Frysky Kampioenskippen(Netherlands)

DE GRAAF Jan C	won against	VAN GIMST Anja
HELMES Sido	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	AUGUSTIJN Arjan
MEIJER Arnoud	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOBO Roel
HELMES Jiska	won against	DE GRAAF Jan C

2008-05-11: 42rd Dutch Othello Open(Netherlands)

DE GRAAF Corrie	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HELMES Sido
HELMES Jiska	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOBO Roel
DE GRAAF Jan C	won against	ZILLIG Remko
MEIJER Arnoud	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	TOMEI Robin

2008-04-05 → 2008-04-06: EGP Alkmaar(Netherlands)

KRACZYK Roman	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	ORTIZ George
ZIEBA Grzegorz	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	AUZENDE Frederic
LEADER Imre	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	STASTNA Jan
CUPIAL Milosz	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KORTENDIJK Albert
AUBROECK Patrick	lost to	DE GRAAF Jan C
HOBO Roel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	INGELMAN-SUNDBERG Simon

2008-03-15 → 2008-03-16: EGP Berlin(Germany)

DE GRAAF Jan C	won against	WALDEMANN Steven
VAES Dimitri	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	PECZKOWSKI Pawel
ZIEBA Grzegorz	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	LILLA Kamil
SCHMIDT Sebastian	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	ARNOLD Roy
BECK David	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	MODELLATORE Tonya
KRACZYK Roman	32-32	DE GRAAF Jan C
DE GRAAF Jan C	won against	BERG Matthias

2008-02-10: 41st Dutch Othello Open(Netherlands)

HELMES Jiska	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
DE BOER Akke-Lien	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	DE GRAAF Corrie
HOBO Roel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	FRANSEN Martin
ORTIZ George	won against	DE GRAAF Jan C

2007-11-18: 1e WK oefen toernooi(Netherlands)

DE GRAAF Corrie	lost to	DE GRAAF Jan C
DE GRAAF Jan C	32-32	FRANSEN Martin
PRASEPTYO Linda	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel
DE GRAAF Jan C	lost to	KORTENDIJK Albert
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
TOMEI Robin	won against	DE GRAAF Jan C
VAN GIMST Anja	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
EVERTS Jeroen	won against	DE GRAAF Jan C

2007-09-29 → 2007-09-30: EGP Prague(Czech Republic)

DE GRAAF Jan C	won against	WOZNIAK Agata
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HVEZDOVA Jitka
FRANSEN Martin	lost to	DE GRAAF Jan C
DOUDA Tomas	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	CUPIAL Milosz
STASTNA Jan	32-32	DE GRAAF Jan C
DE GRAAF Jan C	won against	DE GRAAF Corrie
LEADER Imre	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HELMES Sido

2007-09-23: 9th Open Dutch Othello Championships(Netherlands)

HOEFNAGEL Hanneke	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN GIMST Anja
MEIJER Arnoud	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	TOMEI Robin
VAN GIMST Ruud	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel
ORTIZ George	lost to	DE GRAAF Jan C

2007-08-26: 40th Dutch Othello Open(Netherlands)

HITZERD Sarina	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BERG Erwin
HOBO Roel	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	SNEEK Marcel
LUBBERS Lammie	lost to	DE GRAAF Jan C
VAN GIMST Anja	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HELMES Sido

2007-08-05: 39th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	DE GRAAF Corrie
VAN SEGGELEN Trees	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	MEIJER Arnoud
HELMES Sido	lost to	DE GRAAF Jan C
HOBO Roel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOETJES Tim
TOMEI Robin	won against	DE GRAAF Jan C

2007-07-08: 38th Dutch Othello Open(Netherlands)

HELMES Sido	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
MEIJER Arnoud	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOBO Roel
TOMEI Robin	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
VAN DEN BERG Erwin	lost to	DE GRAAF Jan C

2007-06-10: 6e Iepen Fryske Kampioenskippen(Netherlands)

DE GRAAF Jan C	won against	AUGUSTIJN Arjan
HOBO Roel	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	TOMEI Robin
DE GRAAF Corrie	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	DE BOER Akke-Lien
VISSER Erik	lost to	DE GRAAF Jan C

2007-03-25 → 2007-03-24: EGP Hoorn(Netherlands)

LAZARD Emmanuel	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
AUZENDE Frederic	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	CUPIAL Milosz
AUBROECK Patrick	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	MARCINIAK Bartosz
ZIEBA Grzegorz	won against	DE GRAAF Jan C
KRACZYK Roman	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	ANDRIANI Bintsa
EVERTS Jeroen	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOETJES Tim

2007-03-11: Tournoi d'Anvers(Belgium)

VOLVERT Owen	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	MAY Michael
REUNES Nick	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SCHOTTE Tom
FRANSEN Martin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
HOBO Roel	lost to	DE GRAAF Jan C

2007-02-23: 36th Dutch Othello Open(Netherlands)

MEIJER Arnoud	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	LUBBERS Jan
TOMEI Robin	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SCHOTTE Tom
DE GRAAF Jan C	won against	SNEEK Marcel
DE GRAAF Jan C	won against	HOBO Roel
EVERTS Jeroen	won against	DE GRAAF Jan C

2007-01-27: 35th Dutch Othello Open(Netherlands)

FRANSEN Martin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	SNEEK Marcel
LUBBERS Lammie	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOETJES Tim
ZILLIG Remko	won against	DE GRAAF Jan C
DE GRAAF Jan C	32-32	ROERADE Jeroen
DE GRAAF Jan C	won against	PRASEPTYO Linda

2006-12-30: Ottignies Christmas(Belgium)

LEVY-ABEGNOLI Thierry	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	LECAT Florian
DE GRAAF Jan C	won against	DOLEZAL Vladislav
DAUBA Cedric	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HELMES Sido
SCHOTTE Tom	won against	DE GRAAF Jan C
NICOLET Stephane	won against	DE GRAAF Jan C

2006-12-24: 1e Nederlandse Kerst Othello Open(Netherlands)

VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	LUBBERS Jan
DE GRAAF Jan C	won against	FRANSEN Martin
ZILLIG Remko	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	LUBBERS Lammie
HELMES Sido	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	EVERTS Jeroen

2006-10-29: 34th Dutch Othello Open(Netherlands)

DE BOER Rosalinde	lost to	DE GRAAF Jan C
LE COMTE Michiel	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DAM Judith
DE GRAAF Jan C	won against	AUBROECK Patrick
DE GRAAF Jan C	lost to	PRASEPTYO Linda
SCHOTTE Tom	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel

2006-10-01: Hong Kong International Tournament(Hong-Kong)

KRACZYK Roman	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	YUEN Kwai Chim
DE GRAAF Jan C	32-32	PECZKOWSKI Pawel
KWOK Wing Kei	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	MADRONA Mario
FU Velma	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	TSOI Chun Yip
CHOW Ka Ming	won against	DE GRAAF Jan C

2006-09-10: 8th Open Dutch Othello Championships(Netherlands)

DE GROOT Rik	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	LUBBERS Lammie
EVERTS Jeroen	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	DE BOER Rosalinde
DE GRAAF Jan C	lost to	FRANSEN Martin
DE GRAAF Corrie	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN HEERE Mark

2006-08-26 → 2006-08-27: EGP Paris(France)

DE GRAAF Jan C	lost to	ANDRIANI Bintsa
ASPENRYD Henry	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	SNEEK Marcel
BUSUTTIL Michel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	ORTIZ George
FRANSEN Martin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KASHIWABARA Takuji
HOBO Roel	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KRACZYK Roman
KORTENDIJK Albert	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	BARRE Sebastien

2006-08-13: 33rd Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	LUBBERS Melvin
AUGUSTIJN Arjan	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN SEGGELEN Trees
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	EVERTS Jeroen
ZILLIG Remko	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOBO Roel

2006-07-16: 32nd Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	FRANSEN Martin
MEIJER Arnoud	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN GIMST Anja
VAN DEN BERG Erwin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KORTENDIJK Albert
ANDRIANI Bintsa	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel

2006-07-01 → 2006-07-02: EGP Gdansk(Poland)

KASHIWABARA Takuji	won against	DE GRAAF Jan C
LEADER Imre	won against	DE GRAAF Jan C
NOWAK Dominik	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	UZIEBLO Olgierd
DE GRAAF Jan C	won against	NADZIEJA Piotr
DE GRAAF Jan C	won against	SZYSZKO Lukasz
DE GRAAF Jan C	won against	LILLA Kamil
DE GRAAF Jan C	won against	HOBO Roel
DE GRAAF Jan C	won against	KAZIMIERCZUK Mariusz
KOBYLINSKI Grzegorz	won against	DE GRAAF Jan C
HOETJES Tim	won against	DE GRAAF Jan C

2006-06-11: 5e Iepen Fryske Kampioenskippen(Netherlands)

LUBBERS Jan	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VISSER Erik
DE VRIES Anja	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	REUNES Nick
VAN DEN BERG Erwin	32-32	DE GRAAF Jan C
DE GRAAF Jan C	won against	BIARD Patricia

2006-05-07: 31st Dutch Othello Open(Netherlands)

VAN DEN BIGGELAAR Nicky	32-32	DE GRAAF Jan C
DE GRAAF Jan C	lost to	TOMEI Robin
LUBBERS Jan	lost to	DE GRAAF Jan C
REIJNDERS Ralph	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel
DE GRAAF Jan C	won against	VAN NEERVEN Meggie
DE BOER Rosalinde	lost to	DE GRAAF Jan C

2006-03-25 → 2006-03-26: EGP Hoorn(Netherlands)

MADRONA Mario	won against	DE GRAAF Jan C
DE GRAAF Jan C	32-32	KASHIWABARA Takuji
VAN HEERE Mark	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	PECZKOWSKI Pawel
VAN GIMST Simone	lost to	DE GRAAF Jan C
DE GRAAF Jan C	32-32	HOBO Roel
PIHLAJAPURO Katie	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	ZIEBA Grzegorz
GORNERT Daniel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KAMPHUIS Leon
ZIEBA Arkadiusz	won against	DE GRAAF Jan C

2006-02-19: 30th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	EVERTS Jeroen
KORTENDIJK Bauke	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DEN AKKER Wilco
VAN DER WAGT Jan	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VISSER Erik
KORTENDIJK Albert	lost to	DE GRAAF Jan C
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C

2006-01-22: 29th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	VAN GIMST Anja
AUBROECK Patrick	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	GAYET Surya
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	MEIJER Arnoud
HOBO Roel	32-32	DE GRAAF Jan C
DE GRAAF Jan C	won against	PRASEPTYO Linda

2006-01-07 → 2006-01-08: EGP Padova(Italy)

CUM Sandro	lost to	DE GRAAF Jan C
BERG Matthias	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KASHIWABARA Takuji
DE GRAAF Jan C	lost to	PALMIERI Luca
SAGRATELLA Simone	32-32	DE GRAAF Jan C
STRADA Fabio	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOBO Roel
COLOMBO Angelo	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	BORASSI Michele
DE GRAAF Jan C	lost to	PALLADINO Domenico
KLICEK Zoran	lost to	DE GRAAF Jan C

2005-10-02: Championnat de Hollande/Belgique(Netherlands)

DE GRAAF Jan C	won against	WESSELS Arne
GAYET Surya	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	ANDRIANI Bintsa
PRASEPTYO Linda	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	TOMEI Robin
VAN DEN BESSELAAR Daniel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	SWANINK Daniel

2005-09-11: Tournoi d'Ottignies(Belgium)

DE GRAAF Corrie	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	DE WAEL Jeroen
DE GRAAF Jan C	won against	LECAT Monique
SCHOTTE Tom	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	PRASEPTYO Linda
DE BOER Rosalinde	lost to	DE GRAAF Jan C

2005-09-03: 28th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	lost to	HOBO Roel
VISSER Erik	won against	DE GRAAF Jan C
LUBBERS Lammie	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN GIMST Anja
VAN DE ZANDE Josbert	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
FRANSEN Martin	lost to	DE GRAAF Jan C

2005-08-27 → 2005-08-28: EGP Paris(France)

KASHIWABARA Takuji	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	LECAT Monique
BENOIT Serge	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	DI MEGLIO Fabrice
DE GRAAF Jan C	won against	MARGARIT Eric
MADRONA Mario	lost to	DE GRAAF Jan C
NICOLET Stephane	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	KRACZYK Roman
TATSUMI-IIJIMA Yukiko	lost to	DE GRAAF Jan C
TASTET Marc	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	BRIGHTWELL Graham
MADRONA Mario	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	MADRONA Mario

2005-07-17: 27th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	DE BOER Rosalinde
PRASEPTYO Linda	lost to	DE GRAAF Jan C
VAN DER WAGT Jan	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DEN HURK Yorick

2005-06-25 → 2005-06-26: EGP Gdansk(Poland)

DE GRAAF Jan C	won against	ZIEBA Grzegorz
AUZENDE Frederic	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	ZIEBA Arkadiusz
ZIEBA Katarzyna	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	NOWAK Dominik
SZYSZKO Lukasz	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KASHIWABARA Takuji
KOBYLINSKI Grzegorz	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VORACEK Miroslav
DE GRAAF Jan C	lost to	KRACZYK Roman
KLUZ Przemyslaw	lost to	DE GRAAF Jan C

2005-06-12: 4e Iepen Fryske Kampioenskippen 2005(Netherlands)

DE GRAAF Jan C	won against	JASBERS Judith
HOOGENBOOM Raymon	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	CLAASSEN Mathijs
FRANSEN Martin	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	MEIJER Arnoud
VAN DER VLUGT Sander	lost to	DE GRAAF Jan C

2005-05-01: 26th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	PRASEPTYO Linda
MEIJER Arnoud	32-32	DE GRAAF Jan C
TOMEI Robin	32-32	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOETJES Tim
FRANSEN Martin	lost to	DE GRAAF Jan C
DE GRAAF Jan C	32-32	GAYET Surya
ANDRIANI Bintsa	lost to	DE GRAAF Jan C

2005-03-26 → 2005-03-27: EGP Bussum(Netherlands)

TASTET Marc	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SNEEK Marcel
DE GRAAF Jan C	lost to	AUZENDE Frederic
VAN GIMST Anja	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	LAZARD Emmanuel
KASHIWABARA Takuji	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	ANDRIANI Bintsa
HOETJES Tim	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	ZILLIG Remko
YE Liya	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	KRACZYK Roman

2005-03-05: Barcelona Open(Spain)

DE GRAAF Jan C	won against	MADRONA Mario
OLIVE Oriol	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	BAUTISTA Viktor
MUNTANE Genar	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	BALAGUER Demian
GARCIA Fernando	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	SERRANO Miguel Angel
MARTINEZ Oscar	won against	DE GRAAF Jan C

2005-02-27: 25th Dutch Othello Open(Netherlands)

VAN GIMST Ruud	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	SCHOTTE Tom
HOBO Roel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	GAYET Surya
TOMEI Robin	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	PRASEPTYO Linda
KORTENDIJK Albert	won against	DE GRAAF Jan C

2005-02-19 → 2005-02-20: EGP Cambridge(Great-Britain)

AAGAARD-HANSEN Jens	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	AUZENDE Frederic
BRIGHTWELL Graham	won against	DE GRAAF Jan C
ANDRIANI Bintsa	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	LAZARD Emmanuel
DE GRAAF Jan C	won against	PEPERKAMP Marcel
HOBO Roel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	BARRE Sebastien
DE GRAAF Jan C	won against	TASTET Marc
SCHOTTE Tom	won against	DE GRAAF Jan C
HANDEL Michael	won against	DE GRAAF Jan C

2005-02-13: zonhoven othello open 2005(Belgium)

DE GRAAF Jan C	won against	ANDRIANI Bintsa
VAES Dimitri	lost to	DE GRAAF Jan C
SCHOTTE Tom	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	FREDERIX Gijs
REIJNDERS Ralph	lost to	DE GRAAF Jan C
DE GRAAF Jan C	32-32	DE WAEL Jeroen
DE GRAAF Jan C	lost to	ROERADE Jeroen

2005-01-16: 24th Dutch Othello Open(Netherlands)

HOBO Roel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOETJES Tim
SNEEK Marcel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	KAMPHUIS Leon
GAYET Surya	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DEN BERG Erwin
KORTENDIJK Albert	won against	DE GRAAF Jan C

2004-10-31: 23rd Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	SNEEK Marcel
HOETJES Tim	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	DE BOER Rosalinde
HOBO Roel	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	BOOMSTRA Ronald
SALOMONS Roy	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOEHNE Andreas

2004-07-11: 21st Dutch Othello Open(Netherlands)

MEIJER Arnoud	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOEHNE Andreas
VAN DEN HURK Yorick	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DE KRAATS Barend
VERHEIJ Danny	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN WINKEL Hein
BERKHOF Frank	lost to	DE GRAAF Jan C

2004-06-26 → 2004-06-27: EGP Gdansk(Poland)

DE GRAAF Jan C	won against	ROGOSZ Magdalena
DE GRAAF Jan C	won against	NOWAK Dominik
DE GRAAF Jan C	won against	TANSKI Piotr
KASHIWABARA Takuji	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	ZIEBA Arkadiusz
DE GRAAF Jan C	won against	HOBO Roel
DE GRAAF Jan C	lost to	TOMEI Robin
DE GRAAF Jan C	won against	PECZKOWSKI Pawel
DE GRAAF Jan C	won against	LILLA Kamil
ANDRIANI Bintsa	32-32	DE GRAAF Jan C
DE GRAAF Jan C	32-32	SZYSZKO Lukasz
DE GRAAF Jan C	won against	ZIEBA Arkadiusz
ZIEBA Arkadiusz	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	ZIEBA Arkadiusz

2004-06-12: 3e Iepen Fryske Othello Kampioenskippen(Netherlands)

DE GRAAF Jan C	won against	HOOGENBOOM Raymon
LANGENBERG Olaf	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	GRIN Frank
KORTENDIJK Albert	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN GIMST Ruud
HOEHNE Andreas	won against	DE GRAAF Jan C

2004-05-22 → 2004-05-23: EGP Copenhagen(Denmark)

DE GRAAF Jan C	won against	ROGOSZ Magdalena
KRACZYK Roman	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	VALLUND Henrik
HOEHNE Andreas	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	NIELSEN Kim J
SKOGEN Tor Birger	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	AAGAARD-HANSEN Jens
DE GRAAF Jan C	lost to	KASHIWABARA Takuji
SZYSZKO Krzysztof	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	FELDBORG Karsten
JENSEN Kim Dennis	lost to	DE GRAAF Jan C

2004-05-01 → 2004-05-02: EGP Stockholm(Sweden)

DE GRAAF Jan C	lost to	GARDEBRINK Christian
MAGNUSSON Johan	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	OTTESEN Andreas
OHLSSON Thomas	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	OSTMAN Mikael
SJOSTROM Hannes	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	JACOBSON Titti Anna
ASPENRYD Henry	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SODERBERG Jonas
BERNER Johan	lost to	DE GRAAF Jan C
STENBERG Veronica	lost to	DE GRAAF Jan C

2004-03-27 → 2004-03-28: EGP Bussum(Netherlands)

ZIEBA Arkadiusz	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	JANSSEN Jeroen
DAM Francois	won against	DE GRAAF Jan C
RUTTE Huub	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DEN BRANDHOF Marinus
JONGKIND Robbert	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOETJES Tim
DE GRAAF Jan C	won against	SCHOTTE Tom
DE GRAAF Jan C	lost to	LAZARD Emmanuel
HUBBARD Geoff	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	ANDRIANI Bintsa

2004-03-21: Zonhoven 2(Belgium)

DE GRAAF Jan C	lost to	MARGARIT Eric
VAES Dimitri	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	QUAZZO Claude
ROERADE Jeroen	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	CORDY Alexandre
HOBO Roel	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	BERNER Johan

2004-02-28 → 2004-02-29: EGP Cambridge(Great-Britain)

DE GRAAF Jan C	lost to	LAZARD Emmanuel
BARRE Sebastien	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HUBBARD Geoff
DE GREY Aubrey	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	LEADER Imre
DE GRAAF Jan C	won against	MARSON Phil
ANDRIANI Bintsa	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	DYER Jeremy
PRIDMORE Ben	lost to	DE GRAAF Jan C
ASPDEN Andy	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	BRIGHTWELL Graham

2004-02-15: 19th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	lost to	HOBO Roel
AUGUSTIJN Arjan	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	DE JONG Gabriel
CLAASSEN Mathijs	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	BIARD Patricia
MEIJER Arnoud	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DEN BESSELAAR Daniel

2004-01-11: 18th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	lost to	VAN DEN BIGGELAAR Nicky
JANSEN Larissa	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VUYE Cedric
KAMPHUIS Leon	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN TILBURG Daan
AUBROECK Patrick	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VERWEIJ Dennis

2003-09-21: 5th Open Dutch Othello Championships(Netherlands)

DE GRAAF Jan C	lost to	BERNER Johan
SCHURING Luuk	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	KOWALZYK Stefan
SHAMAN David	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	ANDRIANI Bintsa
SEITS Roy	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	ZILLIG Remko

2003-08-30 → 2003-08-31: EGP Paris(France)

DE GRAAF Jan C	lost to	BARRE Sebastien
SZYSZKO Krzysztof	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	MARGARIT Eric
LEVY-ABEGNOLI Thierry	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	QUAZZO Claude
ZILLIG Remko	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	DAUBA Cedric
CORDY Alexandre	lost to	DE GRAAF Jan C
KASHIWABARA Takuji	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	MEIJER Arnoud
SHAMAN David	won against	DE GRAAF Jan C

2003-08-10: 17th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	lost to	SHAMAN David
DE GRAAF Corrie	lost to	DE GRAAF Jan C
AUBROECK Patrick	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	REGTUIJT Casper
STEENTOFT Benkt	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	TJASSENS Dennis
DE GRAAF Jan C	won against	VAN DEN BERG Erwin

2003-06-29 → 2003-06-30: EGP Amstelveen(Netherlands)

DE GRAAF Jan C	won against	SZYSZKO Krzysztof
SZYSZKO Lukasz	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	MEIJER Arnoud
AUBROECK Patrick	won against	DE GRAAF Jan C
SEITS Roy	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	ILBRINK Jarl
TASTET Marc	won against	DE GRAAF Jan C
VAN DE ZANDE Josbert	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	DULFER Henk
DE GRAAF Jan C	won against	CORDY Alexandre
DE GRAAF Jan C	won against	PRASEPTYO Linda

2003-06-15: 2e Iepen Fryske Othello Kampioenskippen(Netherlands)

DE GRAAF Jan C	won against	LE COMTE Marijne
VAN GIMST Ruud	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	MEIJER Arnoud
VAN DER WAGT Ben	32-32	DE GRAAF Jan C
DE GRAAF Jan C	won against	SALOMONS Roy
VAN DER WAGT Jan	lost to	DE GRAAF Jan C

2003-05-24 → 2003-05-25: EGP Copenhagen(Denmark)

NIELSEN Kim J	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	FELDBORG Karsten
HOEHNE Andreas	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	FRANSSON JOHNSSON Joel
KASHIWABARA Takuji	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	LINDHOLT Jonas
AAGAARD-HANSEN Jens	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HELGESSON Anna
STOKKE Solrun	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	BADSTED Palle
DE GRAAF Jan C	won against	JONSSON Marie-Louise

2003-05-11: 16th Dutch Othello Open(Netherlands)

HOEHNE Andreas	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	KORTENDIJK Albert
ACHTEN Hendrik	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DER WAGT Ben
JANSSEN Jeroen	lost to	DE GRAAF Jan C
DE GRAAF Jan C	32-32	CLAASSEN Mathijs
SHAMAN David	lost to	DE GRAAF Jan C

2003-04-26 → 2003-04-27: EGP Stockholm(Sweden)

LJUNGQVIST Daniel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	ENG Tintin
ENGLUND Johan	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	OHLSSON Thomas
DE GRAAF Jan C	lost to	HALLBERG Marcus
BERNER Johan	won against	DE GRAAF Jan C
BERTILSSON Pelle	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	ROSENQVIST Anders
IVANSSON Lars	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	DANELL Fredrik
ANDERSSON Gunnar	lost to	DE GRAAF Jan C

2003-04-06: 15th Dutch Othello Open(Netherlands)

CLAASSEN Mathijs	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	BOOMSTRA Ronald
KOK Bram	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VERHEIJ Danny
DE GRAAF Jan C	32-32	KAMPHUIS Leon
DE GRAAF Jan C	lost to	SEITS Roy
IN HET ZANDT Bas	lost to	DE GRAAF Jan C

2003-03-02: 14th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	lost to	MEIJER Arnoud
KAMPHUIS Leon	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	ROERADE Jeroen
PRASEPTYO Linda	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	ROKVEN Daniel
VAN DE ZANDE Josbert	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOBO Roel

2003-01-26: 13th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	lost to	VAN DER MECHE Narda
DE GRAAF Jan C	lost to	SHAMAN David
VAN DE ZANDE Josbert	won against	DE GRAAF Jan C
JONGKIND Robbert	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	BERNER Johan
DULFER Henk	lost to	DE GRAAF Jan C
SEITS Roy	lost to	DE GRAAF Jan C

2002-09-22: 4th Open Dutch Othello Championships(Netherlands)

BOOMSTRA Ronald	lost to	DE GRAAF Jan C
DE GRAAF Jan C	32-32	KORTENDIJK Albert
SHAMAN David	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	MEIJER Arnoud
VAN DEN BIGGELAAR Nicky	32-32	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN SEGGELEN Trees
ROERADE Jeroen	lost to	DE GRAAF Jan C

2002-08-31 → 2002-09-01: EGP Paris(France)

DE GRAAF Jan C	won against	ZEAU Pascal
CASPARD Emmanuel	won against	DE GRAAF Jan C
VAN WINKEL Hein	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOBO Roel
NICOLET Stephane	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	DELAUNAY Arnaud
DE GRAAF Jan C	won against	VELTMAN Anne
VAN EGROO Dominique	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HOEHNE Andreas
SEKNADJE Jose	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	JONGKIND Robbert

2002-08-11: 12th Dutch Othello Open(Netherlands)

SHAMAN David	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	LASH VI Tommie Sean Richard
VAN SEGGELEN Trees	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOBO Roel
HIDAYAT Romy	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HOEHNE Andreas
CORDY Alexandre	won against	DE GRAAF Jan C

2002-07-27 → 2002-07-28: EGP Brussels(Belgium)

BERG Matthias	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	DIEPENMAAT Jeroen
SEKNADJE Jose	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	IN HET ZANDT Bas
NICOLET Stephane	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	DE LIT Pierre
CORDY Alexandre	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	DUPONT Frederic
IN HET ZANDT Paul	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HUBBARD Geoff
MEIJER Arnoud	lost to	DE GRAAF Jan C

2002-06-30 → 2002-07-01: EGP Amstelveen(Netherlands)

DE GRAAF Jan C	won against	VAES Dimitri
VAN DER WAGT Jan	lost to	DE GRAAF Jan C
DE GRAAF Jan C	32-32	VELTMAN Anne
CASPARD Emmanuel	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	AAGAARD-HANSEN Jens
BARNABA Donato	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SCHAFSCHNITZ Andrea
DE GRAAF Jan C	lost to	ROKVEN Daniel
REIJNDERS Ralph	lost to	DE GRAAF Jan C
DELAUNAY Arnaud	won against	DE GRAAF Jan C
ILBRINK Jarl	lost to	DE GRAAF Jan C

2002-06-09: 1e Iepen Fryske Othello Kampioenskippen(Netherlands)

DE GRAAF Jan C	won against	HAKBIJL Jan Wieger
VAN DER WAGT Ben	lost to	DE GRAAF Jan C
VAN DEN BIGGELAAR Nicky	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	KORTENDIJK Bauke
VAN BRUNSCHOT Chantall	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	LE COMTE Michiel

2002-05-25 → 2002-05-26: EGP Copenhagen(Denmark)

HORN Per	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	DAM Francois
HOBO Roel	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	DIEPENMAAT Jeroen
ROKVEN Daniel	32-32	DE GRAAF Jan C
DE GRAAF Jan C	won against	VUORELA Sune
NIELSEN Kim J	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	BADSTED Palle
VAN DER MECHE Narda	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	HUBBARD Geoff
KASHIWABARA Takuji	lost to	DE GRAAF Jan C

2002-05-19: 11th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	JONGKIND Robbert
VAN DEN BIGGELAAR Nicky	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	IN HET ZANDT Bas
VAN DE ZANDE Josbert	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	WARD Jan
DE WINDT Hensley	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	MEIJER Arnoud

2002-04-07: 10th Dutch Othello Open(Netherlands)

DE GRAAF Jan C	won against	VAN DE ZANDE Josbert
DEN HAAN Frank	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	MUL Marcel
IN HET ZANDT Bas	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KORTENDIJK Albert
BOURSEAU Rene	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	LE COMTE Michiel

2002-03-10: 9th Dutch Othello Open(Netherlands)

WARD Jan	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	SHAMAN David
ILBRINK Jarl	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DEN BIGGELAAR Nicky
DE GRAAF Jan C	won against	VAN DE ZANDE Josbert
JONGKIND Robbert	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN TILBURG Daan

2002-02-10: 8th Dutch Othello Open(Netherlands)

BUCZYNSKI Adam	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	CLAASSEN Mathijs
DE GRAAF Jan C	won against	LAAN Jaap
LE COMTE Michiel	won against	DE GRAAF Jan C
DUFOUR Mark	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KOOL Jeroen
VAN DEN BESSELAAR Daniel	lost to	DE GRAAF Jan C

2001-11-08 → 2001-11-10: WOC 2001 (New-York)(WOF)

FU Jacky	lost to	DE GRAAF Jan C
FELDBORG Karsten	won against	DE GRAAF Jan C
SHUB Denis	won against	DE GRAAF Jan C
TAMAIE Kotoe	lost to	DE GRAAF Jan C
CORDY Alexandre	won against	DE GRAAF Jan C
HANSSON Ola	won against	DE GRAAF Jan C
HOEHNE Andreas	won against	DE GRAAF Jan C
PLOWMAN Guy	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SHIFMAN Leonid
DE GRAAF Jan C	won against	STASTNA Jan
DE GRAAF Jan C	won against	ENG Tintin
DE GRAAF Jan C	won against	RYBARIK Ivo
DE GRAAF Jan C	won against	ARNOLD Roy

2001-10-14: 3rd Open Dutch Championships(Netherlands)

KORTENDIJK Albert	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN TILBURG Sanne
HOBO Roel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	VAN DER WAGT Ben
VAN DE ZANDE Josbert	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN TILBURG Daan
BUCZYNSKI Adam	lost to	DE GRAAF Jan C

2001-09-01 → 2001-09-02: EGP Paris(France)

ANDRIANI Sandry	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	JACQUET Francois
DELAUNAY Arnaud	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HUBBARD Geoff
DE GRAAF Jan C	won against	AUZENDE Frederic
CASPARD Emmanuel	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KORTENDIJK Albert
DE GRAAF Jan C	won against	DAUBA Cedric
JUHEM Philippe	won against	DE GRAAF Jan C
TAKEDA Kyoko	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	LE COMTE Michiel

2001-08-19: 7th Dutch Othello Open(Netherlands)

HOEHNE Andreas	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	LE COMTE Marijne
DE GRAAF Jan C	won against	WARD Jan
DE GRAAF Jan C	won against	BRAUN Holger
HOBO Roel	lost to	DE GRAAF Jan C
DEN HAAN Frank	lost to	DE GRAAF Jan C
SHAMAN David	lost to	DE GRAAF Jan C

2001-07-28 → 2001-07-29: EGP Brussels(Belgium)

DE GRAAF Jan C	lost to	CASPARD Emmanuel
VIVIANI Alberto	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	SCHERNO Dominique
ANDRIANI Bintsa	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KORTENDIJK Albert
WELTY Chris	32-32	DE GRAAF Jan C
DE GRAAF Jan C	lost to	SEKNADJE Jose
DE GRAAF Jan C	won against	LECAT Renaud
AAGAARD-HANSEN Jens	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	AUZENDE Frederic
STANZIONE Pierluigi	won against	DE GRAAF Jan C

2001-06-23 → 2001-06-24: EGP Amsterdam(Netherlands)

VAN DE ZANDE Josbert	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KASHIWABARA Takuji
HOEHNE Andreas	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	JOGEMS Kay
SLOT Bas	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	CORDY Alexandre
BERNER Johan	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	HIDAYAT Romy
DE GRAAF Jan C	won against	CLAASSEN Mathijs
SHAMAN David	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	KORTENDIJK Albert

2001-04-29: 6th Dutch Othello Open(Netherlands)

KORTENDIJK Albert	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	BERG Matthias
DE GRAAF Jan C	lost to	SHAMAN David
KWERREVELD Nico	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	PLUKKER Marijke
WITTING Sipke	lost to	DE GRAAF Jan C
RIOLLET Bruno	lost to	DE GRAAF Jan C

2001-03-11: 5th Dutch Othello Open(Netherlands)

HOEHNE Andreas	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	CONSTANDSE Kanter
DE GRAAF Jan C	won against	RIOLLET Bruno
DIJCKS John	lost to	DE GRAAF Jan C
DEN HAAN Frank	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	DE LIT Pierre
DE GRAAF Jan C	won against	KORTENDIJK Albert

2001-01-14: 4th Dutch Othello Open(Netherlands)

KORTENDIJK Albert	won against	DE GRAAF Jan C
SHAMAN David	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	HAGEMAN Nick
DE GRAAF Jan C	won against	SIETZEMA Rudi
DE GRAAF Jan C	won against	TIJHUIS Frank
DE GRAAF Jan C	won against	LE COMTE Michiel
KOOL Jeroen	lost to	DE GRAAF Jan C

2000-11-02 → 2000-11-04: WOC 2000 (Copenhagen)(WOF)

DE GRAAF Jan C	43-21	STASTNA Jan
ROSE Brian	49-15	DE GRAAF Jan C
DE GRAAF Jan C	14-50	HIDAYAT Romy
MINE Tatsuya	40-24	DE GRAAF Jan C
DE GRAAF Jan C	34-30	VORACEK Miroslav
SHIFMAN Leonid	21-43	DE GRAAF Jan C
DE GRAAF Jan C	12-52	BERNER Nils
KASHIWABARA Takuji	36-28	DE GRAAF Jan C
DE GRAAF Jan C	52-12	DE LIT Pierre
CORDY Alexandre	22-42	DE GRAAF Jan C
LUND Erik	56-08	DE GRAAF Jan C
DE GRAAF Jan C	48-16	OLIVARES Daniel
DE GRAAF Jan C	29-35	BARNABA Donato

2000-10-14: 3rd Dutch Othello Open(Netherlands)

LE COMTE Michiel	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	DEN HAAN Frank
DE GRAAF Jan C	lost to	CLAASSEN Mathijs
DE GRAAF Jan C	won against	DUFOUR Mark
VAN DE ZANDE Josbert	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	MATTHYS Benoit
LE COMTE Marijne	lost to	DE GRAAF Jan C

2000-09-02 → 2000-09-03: EGP Paris(France)

TORRI Marie-Christine	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	STANZIONE Pierluigi
DE GRAAF Jan C	lost to	BERG Matthias
DEN HAAN Frank	won against	DE GRAAF Jan C
VAN DE ZANDE Josbert	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	TESINSKY Jakub
FURUSAKI Yoko	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	BADSTED Palle
KASHIWABARA Takuji	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	NICOLET Stephane
ANDRIANI Bintsa	lost to	DE GRAAF Jan C

2000-07-15: Perleberg Open(Germany)

DE GRAAF Jan C	won against	SCHINDLER Frank
DE GRAAF Jan C	won against	SCHAPPACH Nicole
DE GRAAF Jan C	won against	VAN DE ZANDE Josbert
DE GRAAF Jan C	won against	LEHM Oliver
DE GRAAF Jan C	won against	BERG Matthias
DE GRAAF Jan C	won against	HOEHNE Andreas

2000-05-20: 2nd Dutch Othello Open(Netherlands)

SPIJKERS Frank	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	WITTING Sipke
BERG Matthias	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	FELDBORG Karsten
DE GRAAF Jan C	lost to	SHAMAN David
DEN HAAN Frank	won against	DE GRAAF Jan C

2000-04-01 → 2000-04-02: EGP Copenhagen(Denmark)

DE GRAAF Jan C	won against	AAGAARD-HANSEN Jens
SHAMAN David	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	MEILTOFT Roland
DE GRAAF Jan C	won against	HORN Per
NIELSEN Erik	won against	DE GRAAF Jan C
VALLUND Torben	won against	DE GRAAF Jan C
BADSTED Palle	won against	DE GRAAF Jan C
CORDY Alexandre	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DE ZANDE Josbert
DE GRAAF Jan C	won against	MAARTENSSON Mikael

2000-03-04: NL-B teammatch(Netherlands)

DOIGNIE Fabrice	lost to	DE GRAAF Jan C
CORDY Alexandre	won against	DE GRAAF Jan C
LECAT Renaud	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	DAIX Alain
DE GRAAF Jan C	won against	VIVIANI Alberto
DE GRAAF Jan C	won against	HERBEUVAL Olivier

2000-02-26 → 2000-02-27: EGP Cambridge(Great-Britain)

DE GRAAF Jan C	lost to	BRIGHTWELL Graham
DECUPERE Joost	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	HUBBARD Geoff
SUMMERS David	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	VAN DE ZANDE Josbert
CASTELLANO Giorgio	lost to	DE GRAAF Jan C
MENOZZI Giuseppe	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	HERBEUVAL Olivier
ROBIN Francois	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	KASHIWABARA Takuji

2000-01-15: Tournoi Netherlandsais(Netherlands)

DE GRAAF Jan C	won against	BRIELS Twan
WITTING Sipke	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	CLAASSEN Mathijs
DEN HAAN Frank	won against	DE GRAAF Jan C
ENGELS Andre	lost to	DE GRAAF Jan C

1999-12-12: tournoi de Bruxelles(Belgium)

DE GRAAF Jan C	won against	VAN GILS Wendelien
DE HAAN Kees	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	VIVIANI Alberto
HIDAYAT Romy	won against	DE GRAAF Jan C
DEN HAAN Frank	won against	DE GRAAF Jan C

1999-10-09 → 1999-10-10: Dutch Championship(Netherlands)

DE GRAAF Jan C	lost to	SHAMAN David
MAAS Rainier	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	WITTING Sipke
DE HAAN Kees	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	DEN HAAN Frank
VAN DE ZANDE Josbert	lost to	DE GRAAF Jan C
SHAMAN David	lost to	DE GRAAF Jan C
DE GRAAF Jan C	won against	DE HAAN Kees
DEN HAAN Frank	won against	DE GRAAF Jan C
DE HAAN Kees	lost to	DE GRAAF Jan C
DE GRAAF Jan C	32-32	SHAMAN David
DE GRAAF Jan C	lost to	DEN HAAN Frank

1999-08-28 → 1999-08-29: EGP Paris(France)

NICOLET Stephane	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	BRIGHTWELL Graham
DE GRAAF Jan C	won against	PINTA Simon
CORIO Marc	won against	DE GRAAF Jan C
FERRANDO Marco	won against	DE GRAAF Jan C
DE GRAAF Jan C	won against	TORRI Marie-Christine
LIANG Yi	lost to	DE GRAAF Jan C
DE GRAAF Jan C	lost to	FASCE Paolo
TAKEDA Hajime	won against	DE GRAAF Jan C
DE GRAAF Jan C	lost to	SHIFMAN Leonid
TAKEDA Kyoko	won against	DE GRAAF Jan C

DE GRAAF Jan C (Netherlands)

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