Ratings

KOH Bo Chao Alex (Singapore)

Ratings history

2024-03-24
2024-02-28
2024-01-31
2023-12-31
2023-06-30
2022-12-31
2022-06-30
2021-12-31
2021-06-30
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1962

Show the ratings ⇩

59 tournaments
451 results
Player ID: 250003
Rated 3 in Singapore and 89 in Asia&Oceania&Africa and 100 in the World
Latest rating: 2186
WOF online rating: 1871, view profile on Vint.ee

Alex Koh is the #1 rated player in Singapore and has played Othello competitively since 2008. Alex played his first World Othello championshp in 2011 in New York, USA, finishng in 13th place; a rather commendable first performance in a world championship! He has comparatively few international tournaments under his belt. The majority of tournaments have been played in Singapore.

11th place in WOC 2014 Bangkok, Thailand

2023

2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008

2023-12-10: Singapore Masters 2023(Singapore)

SIA Cheng Yong	18-46	KOH Bo Chao Alex
KOH Bo Chao Alex	30-34	LEE Choon Foong
GOH Jun Jie Anthony	34-30	KOH Bo Chao Alex
KOH Bo Chao Alex	43-21	LIN WEI HAO Roy
TAKASAKI Yutaro	37-27	KOH Bo Chao Alex
KOH Bo Chao Alex	34-30	KOH Bo Xiang
LEONG Chee Kit	24-40	KOH Bo Chao Alex

2023-11-12: Singapore Open Nov 2023(Singapore)

KOH Bo Chao Alex	32-32	KURNIAWAN Samuel Henry
LIN Xin Rui	27-37	KOH Bo Chao Alex
KOH Bo Chao Alex	33-31	TAN Ryan
GOH Jun Jie Anthony	21-43	KOH Bo Chao Alex
KOH Bo Chao Alex	20-44	KWEK Jin Xiang
NG Jason	23-41	KOH Bo Chao Alex

2023-07-16: Singapore open 07/23(Singapore)

KOH Bo Chao Alex	35-29	TAKASAKI Yutaro
LEE Choon Foong	52-12	KOH Bo Chao Alex
KOH Bo Chao Alex	47-17	WIRAWAN Daniel
KOH DING SHENG Calvin	29-35	KOH Bo Chao Alex
KOH Bo Chao Alex	24-40	GOH Jun Jie Anthony
SIA Cheng Yong	34-30	KOH Bo Chao Alex

2023-06-04: Singapore National Championship 2023(Singapore)

KOH Bo Chao Alex	42-22	KOH DING SHENG Calvin
ONG WEI KOK Jason	31-33	KOH Bo Chao Alex
KOH Bo Chao Alex	15-49	KURNIAWAN Samuel Henry
TAKASAKI Yutaro	29-35	KOH Bo Chao Alex
KOH Bo Chao Alex	39-25	HO Randall
KOH Bo Xiang	45-19	KOH Bo Chao Alex
KOH Bo Chao Alex	51-13	LI Chun Wan

2023-03-05: Singapore Open 3/23(Singapore)

KOH DING SHENG Calvin	11-53	KOH Bo Chao Alex
KOH Bo Chao Alex	36-28	LEE Choon Foong
LIN WEI HAO Roy	22-42	KOH Bo Chao Alex
KOH Bo Chao Alex	41-23	SIA Cheng Yong
KOH Bo Chao Alex	35-29	LEONG Chee Kit
HO Randall	31-33	KOH Bo Chao Alex

2022-12-04: Singapore Masters Series SOMS (Singapore)

GOH Jun Jie Anthony	29-35	KOH Bo Chao Alex
KOH Bo Chao Alex	45-19	WIRAWAN Daniel
WU Jin Feng	16-48	KOH Bo Chao Alex
KOH Bo Chao Alex	36-28	LEE Choon Foong
KOH Bo Xiang	37-27	KOH Bo Chao Alex
KOH Bo Chao Alex	39-25	NGIAM Zhen Wei
LIN WEI HAO Roy	39-25	KOH Bo Chao Alex

2022-06-19: Singapore National Championship(Singapore)

LOK Qi Jun	20-44	KOH Bo Chao Alex
KOH Bo Chao Alex	28-36	LEE Choon Foong
KURNIAWAN Samuel Henry	30-34	KOH Bo Chao Alex
KOH Bo Chao Alex	26-38	CHONG Sky
GOH Jun Jie Anthony	19-45	KOH Bo Chao Alex
KOH Bo Chao Alex	42-22	TAN Meng Lin
WU Jin Feng	13-51	KOH Bo Chao Alex
KOH Bo Chao Alex	54-10	GOH Jun Jie Anthony
KOH Bo Xiang	37-27	KOH Bo Chao Alex

2021-12-25: Singapore Masters 2021(Singapore)

KOH Bo Chao Alex	48-16	WU Jin Feng
TAY YI An	23-41	KOH Bo Chao Alex
KOH Bo Chao Alex	45-19	KOH Bo Xiang
KOH Bo Chao Alex	39-25	GOH Jun Jie Anthony
GOH Jun Jie Anthony	26-38	KOH Bo Chao Alex
KOH Bo Chao Alex	36-28	LEONG Chee Kit
LEONG Chee Kit	40-24	KOH Bo Chao Alex
LEONG Chee Kit	26-38	KOH Bo Chao Alex

2021-11-07: Singapore Championship 2021(Singapore)

KOH Bo Chao Alex	29-35	GOH Jun Jie Anthony
GOH Jun Jie Anthony	28-36	KOH Bo Chao Alex
GOH Jun Jie Anthony	34-30	KOH Bo Chao Alex

2020-12-26: Singapore Master Series(Singapore)

KOH Bo Chao Alex	44-20	KURNIAWAN Samuel Henry
KOH Bo Chao Alex	33-31	WIRAWAN Daniel
MUHAMMAD Abduh	17-47	KOH Bo Chao Alex
KOH Bo Chao Alex	41-23	LEONG Chee Kit
KOH Bo Chao Alex	30-34	KOH Bo Xiang

2020-11-29: Singapore National Othello Championship 2020(Singapore)

KOH Bo Xiang	33-31	KOH Bo Chao Alex
KOH Bo Chao Alex	41-23	KURNIAWAN Samuel Henry
KOH Bo Chao Alex	52-12	GOH Li Fan Shawn
LEONG Chee Kit	28-36	KOH Bo Chao Alex
KOH Bo Chao Alex	44-20	LEONG Chee Kit
KOH Bo Chao Alex	31-33	KOH Bo Xiang
KOH Bo Xiang	33-31	KOH Bo Chao Alex

2020-02-16: 28th Singapore Open(Singapore)

MUHAMMAD Abduh	15-49	KOH Bo Chao Alex
KOH Bo Chao Alex	42-22	TAY YI An
KOH Bo Chao Alex	24-40	KOH Bo Xiang
LEONG Chee Kit	17-47	KOH Bo Chao Alex
KURNIAWAN Samuel Henry	05-59	KOH Bo Chao Alex
KOH Bo Chao Alex	42-22	SIA Cheng Yong

2019-12-08: Singapore Master Series Div A(Singapore)

KOH Bo Chao Alex	47-17	LOW Wee Hao Eddie
SIA Cheng Yong	16-48	KOH Bo Chao Alex
KOH Bo Chao Alex	41-23	LOW Kang Sheng
LEONG Chee Kit	31-33	KOH Bo Chao Alex
KOH Bo Chao Alex	42-22	KOH Bo Xiang
GOH Jun Jie Anthony	27-37	KOH Bo Chao Alex
KOH Bo Chao Alex	35-29	KWEK Jin Xiang

2019-10-27: 26th Singapore Open(Singapore)

KOH Bo Chao Alex	41-23	GOH Li Fan Shawn
KOH Bo Chao Alex	28-36	LEONG Chee Kit
NGIAM Zhen Wei	31-33	KOH Bo Chao Alex
SIA Cheng Yong	16-48	KOH Bo Chao Alex
KOH Bo Chao Alex	41-23	GOH Jun Jie Anthony
TOH Choon Hong	22-42	KOH Bo Chao Alex
KOH Bo Chao Alex	53-11	TAN Meng Lin

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

KOH Bo Chao Alex	27-37	SATANI Tetsu
SASHKA Chinzorig	35-29	KOH Bo Chao Alex
KOH Bo Chao Alex	60-04	PLOWMAN Mark
DE CAMARGO Lucas	16-48	KOH Bo Chao Alex
KOH Bo Chao Alex	48-16	FU Velma
LINDE Mathias	18-46	KOH Bo Chao Alex
KOH Bo Chao Alex	29-35	SOHR Jaeyoung
LEE Chun Wai	26-38	KOH Bo Chao Alex
KOH Bo Chao Alex	34-30	HU Ying Chong
BERG Matthias	32-32	KOH Bo Chao Alex
KOH Bo Chao Alex	43-21	YANG Kelvin
TAKANASHI Yusuke	33-31	KOH Bo Chao Alex
KOH Bo Chao Alex	16-48	FU Jacky

2019-09-29: 25th Singapore Open(Singapore)

GOH Chong Wei Keith	04-60	KOH Bo Chao Alex
KOH Bo Xiang	11-53	KOH Bo Chao Alex
KOH Bo Chao Alex	35-29	SIA Cheng Yong
KWEK Jin Xiang	22-42	KOH Bo Chao Alex
KOH Bo Chao Alex	33-31	GOH Jun Jie Anthony
KOH Bo Chao Alex	40-24	LOW Kang Sheng
WIRAWAN Daniel	41-23	KOH Bo Chao Alex

2019-08-24: 24th Singapore Open(Singapore)

LIM Chan Way	19-45	KOH Bo Chao Alex
KOH Bo Chao Alex	50-14	SUTANTO Yogamurti
KWEK Jin Xiang	33-31	KOH Bo Chao Alex
KOH Bo Chao Alex	50-14	GOZALI RENDY Wiyogo
KOH Bo Chao Alex	33-31	KURNIAWAN Samuel Henry
WIRAWAN Daniel	26-38	KOH Bo Chao Alex
KOH Bo Chao Alex	45-19	LOW Kang Sheng

2019-06-30: Singapore Championship(Singapore)

KOH Bo Chao Alex	53-11	CHUA Zi Wei
KWEK Jin Xiang	51-13	KOH Bo Chao Alex
KOH Bo Chao Alex	56-08	WIRAWAN Daniel
GAN Chin Leng Jacky	24-40	KOH Bo Chao Alex
KOH Bo Chao Alex	35-29	LEE Choon Foong
KOH Bo Xiang	39-25	KOH Bo Chao Alex
KOH Bo Chao Alex	30-34	CHEW Ching Wuen

2018-12-16: Singapore Othello Master Series (Division A)(Singapore)

KOH Bo Chao Alex	37-27	SIA Cheng Yong
KOH Bo Chao Alex	44-20	LEONG Chee Kit
GOH Jun Jie Anthony	24-40	KOH Bo Chao Alex
KOH Bo Chao Alex	35-29	KOH Bo Xiang
NGIAM Zhen Wei	26-38	KOH Bo Chao Alex
KOH Bo Chao Alex	30-34	WU Jin Feng
LOW Wee Hao Eddie	28-36	KOH Bo Chao Alex

2018-08-12: Singapore Championship(Singapore)

KOH Bo Chao Alex	12-52	GOH Jun Jie Anthony
LOW Kang Sheng	16-48	KOH Bo Chao Alex
KOH Bo Chao Alex	36-28	WU Jin Feng
CHONG Sky	27-37	KOH Bo Chao Alex
KOH Bo Chao Alex	45-19	FU Velma
KOH Bo Chao Alex	28-36	LEE Choon Foong
MAK Wai Tung	30-34	KOH Bo Chao Alex
KOH Bo Chao Alex	45-19	MADRONA Mario
LEE Choon Foong	25-39	KOH Bo Chao Alex

2018-07-29: 21st Singapore Open 2018(Singapore)

SIA Cheng Yong	35-29	KOH Bo Chao Alex
KOH Bo Chao Alex	42-22	LOW Kang Sheng
KWEK Jin Xiang	25-39	KOH Bo Chao Alex
KOH Bo Chao Alex	33-31	NGIAM Zhen Wei
KOH Bo Xiang	30-34	KOH Bo Chao Alex
KOH Bo Chao Alex	50-14	KURNIAWAN Samuel Henry
GOH Jun Jie Anthony	15-49	KOH Bo Chao Alex

2018-06-02: 2018 Hong Kong Othello Championships(Hong-Kong)

KOH Bo Chao Alex	57-07	TO Sin Ying
FU Velma	23-41	KOH Bo Chao Alex
KOH Bo Chao Alex	39-25	HUI Chun Kit
CHOW Ka Ming	30-34	KOH Bo Chao Alex
KOH Bo Chao Alex	42-22	MAK Wai Tung
SONG Yan	47-17	KOH Bo Chao Alex
KOH Bo Chao Alex	33-31	CHEN Kai
KOH Bo Chao Alex	21-43	LEE Chun Wai
KOH Bo Chao Alex	43-21	CHOW Ka Ming

2018-03-25: 19th Singapore Open 2018(Singapore)

KOH Bo Chao Alex	35-29	SIA Cheng Yong
GOH Jun Jie Anthony	20-44	KOH Bo Chao Alex
KOH Bo Chao Alex	37-27	WIRAWAN Daniel
LEE Choon Foong	21-43	KOH Bo Chao Alex
KOH Bo Chao Alex	35-29	KOH Bo Xiang
NGIAM Zhen Wei	19-45	KOH Bo Chao Alex
KOH Bo Chao Alex	36-28	NG Wei Jie

2018-01-21: 18th Singapore Open(Singapore)

KOH Bo Chao Alex	56-08	NG Chelsia
KWEK Jin Xiang	27-37	KOH Bo Chao Alex
KOH Bo Chao Alex	47-17	LOW Wee Hao Eddie
KOH Bo Xiang	24-40	KOH Bo Chao Alex
GOH Jun Jie Anthony	25-39	KOH Bo Chao Alex
KOH Bo Chao Alex	52-12	SIM Ping Khuan
LOW Kang Sheng	21-43	KOH Bo Chao Alex

2017-09-24: 17th Singapore Open 2017(Singapore)

KURNIAWAN Samuel Henry	17-47	KOH Bo Chao Alex
KOH Bo Chao Alex	54-10	NGIAM Zhen Wei
SIA Cheng Yong	15-49	KOH Bo Chao Alex
KOH Bo Chao Alex	46-18	LOW Wee Hao Eddie
GOH Jun Jie Anthony	30-34	KOH Bo Chao Alex
KOH Bo Chao Alex	39-25	KER Ming Han
KOH Bo Xiang	36-28	KOH Bo Chao Alex

2017-07-09: Singapore National Othello Championship 2017(Singapore)

KOH Bo Chao Alex	44-20	LIM Wee Kiat
CHONG Sky	27-37	KOH Bo Chao Alex
KOH Bo Chao Alex	26-38	LOW Wee Hao Eddie
WU Jin Feng	26-38	KOH Bo Chao Alex
KOH Bo Chao Alex	35-29	LEONG Chee Kit
DONG Zhen	24-40	KOH Bo Chao Alex
KOH Bo Chao Alex	17-47	LEE Choon Foong

2017-02-19: 15th Singapore Open(Singapore)

KOH Bo Chao Alex	24-40	KER Ming Han
SIOW Nicholas	09-55	KOH Bo Chao Alex
KOH Bo Chao Alex	39-25	WITA Claudia Aurina
KWEK Jin Xiang	20-44	KOH Bo Chao Alex
KOH Bo Chao Alex	31-33	WU Jin Feng
POH Kian Hong Alvin	31-33	KOH Bo Chao Alex
KOH Bo Chao Alex	36-28	LOW Wee Hao Eddie

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

KOH Bo Chao Alex	50-14	FELDBORG Karsten
LI Chun Wan	33-31	KOH Bo Chao Alex
KOH Bo Chao Alex	33-31	KASHIWABARA Takuji
HAI Jerry	32-32	KOH Bo Chao Alex
KOH Bo Chao Alex	28-36	WADA Masaki
GAERTNER Joerg	15-49	KOH Bo Chao Alex
KIM Seongchan	27-37	KOH Bo Chao Alex
KOH Bo Chao Alex	34-30	ROSE Brian
MITSUYA Nobuaki	38-26	KOH Bo Chao Alex
KOH Bo Chao Alex	23-41	OH Joungmok
KOH Bo Chao Alex	40-24	HOBO Roel
JUIGNER Arthur	18-46	KOH Bo Chao Alex
KOH Bo Chao Alex	26-38	PECZKOWSKI Pawel

2016-10-30: 14th Singapore Open(Singapore)

KOH Bo Chao Alex	50-14	LIM Xin Yi
LIEW Gary	21-43	KOH Bo Chao Alex
LEONG Chee Kit	24-40	KOH Bo Chao Alex
KOH Bo Chao Alex	45-19	MUHAMMAD Nur Hakim
KOH Bo Xiang	42-22	KOH Bo Chao Alex
KOH Bo Chao Alex	30-34	CHUA Woon Yang
CHEW Ching Wuen	25-39	KOH Bo Chao Alex

2016-06-05: Singapore National Othello Championship 2016(Singapore)

KOH Bo Chao Alex	47-17	YAP Kok Soon
NG Hui Wen	29-35	KOH Bo Chao Alex
KOH Bo Chao Alex	40-24	YAP Siew Kun
LIN WEI HAO Roy	14-50	KOH Bo Chao Alex
KOH Bo Chao Alex	35-29	LEONG Chee Kit
LI Chun Wan	25-39	KOH Bo Chao Alex
KOH Bo Chao Alex	18-46	LEE Choon Foong
KOH Bo Chao Alex	29-35	KOH Bo Xiang
CHEW Ching Wuen	27-37	KOH Bo Chao Alex

2016-03-27: Thailand Othello Championship(Thailand)

KOH Bo Chao Alex	35-29	SRITARAPHAN Pharisorn
GAN Chin Leng Jacky	18-46	KOH Bo Chao Alex
KOH Bo Chao Alex	33-31	HEMPIJIT Woramet
SRICHAMNONG Jirawat	52-12	KOH Bo Chao Alex
KOH Bo Chao Alex	43-21	IAMCHIRANGKUL Sitthichai
AUNCHULEE Rujipas	29-35	KOH Bo Chao Alex
KOH Bo Chao Alex	34-30	KOH Bo Xiang
KOH Bo Chao Alex	28-36	AUNCHULEE Rujipas
AUNCHULEE Rujipas	25-39	KOH Bo Chao Alex
KOH Bo Chao Alex	24-40	AUNCHULEE Rujipas

2015-12-20: 5th Singapore Othello Masters 2015 - Division One(Singapore)

KOH Bo Chao Alex	29-35	PAW Su Lin Kenneth
KOH Bo Chao Alex	33-31	CHONG Sky
KOH Bo Xiang	35-29	KOH Bo Chao Alex
KOH Bo Chao Alex	38-26	CHEW Ching Wuen
LEONG Chee Kit	48-16	KOH Bo Chao Alex
KOH Bo Chao Alex	39-25	LEE Choon Foong
LIN WEI HAO Roy	30-34	KOH Bo Chao Alex

2015-11-01: 12th Singapore Open(Singapore)

KOH Bo Chao Alex	61-03	WIRAWAN Daniel
TANZIL Hermanto	21-43	KOH Bo Chao Alex
KOH Bo Chao Alex	47-17	LIN WEI HAO Roy
LEONG Chee Kit	56-08	KOH Bo Chao Alex
KOH Bo Chao Alex	34-30	HAMIJOYO Kevin
LEE Choon Foong	44-20	KOH Bo Chao Alex

2015-08-02: Singapore National Othello Championship 2015(Singapore)

LIM Wee Kiat	19-45	KOH Bo Chao Alex
KOH Bo Chao Alex	40-24	PAW Su Lin Kenneth
KOH Bo Xiang	36-28	KOH Bo Chao Alex
KOH Bo Chao Alex	49-15	LOW Wee Hao Eddie
LEE Choon Foong	22-42	KOH Bo Chao Alex
KOH Bo Chao Alex	47-17	CHONG Sky
HIDAYAT Romy	27-37	KOH Bo Chao Alex
KOH Bo Chao Alex	30-34	KOH Bo Xiang
KOH Bo Chao Alex	32-32	HIDAYAT Romy

2014-12-21: 4th Singapore Othello Masters Series 2014 - Division 1(Singapore)

KOH Bo Chao Alex	58-06	GAN Chin Leng Jacky
KOH Bo Chao Alex	33-31	LEONG Chee Kit
CHEW Ching Wuen	25-39	KOH Bo Chao Alex
KOH Bo Chao Alex	32-32	KOH Bo Xiang
PAW Su Lin Kenneth	22-42	KOH Bo Chao Alex
KOH Bo Chao Alex	43-21	LIN WEI HAO Roy
LOW Wee Hao Eddie	29-35	KOH Bo Chao Alex

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

HUGHES Scott	29-35	KOH Bo Chao Alex
KOH Bo Chao Alex	49-15	VALLUND Henrik
SUEKUNI Makoto	37-27	KOH Bo Chao Alex
KOH Bo Chao Alex	22-42	HEMPIJIT Woramet
MILANKOV Samuel	06-58	KOH Bo Chao Alex
KOH Bo Chao Alex	36-28	KASHIWABARA Takuji
FU Jacky	31-33	KOH Bo Chao Alex
DELAUNAY Arnaud	29-35	KOH Bo Chao Alex
KOH Bo Chao Alex	23-41	SEELEY Ben
KOH Bo Chao Alex	35-29	LAI Meng Joo
OKAMOTO Kazuki	47-17	KOH Bo Chao Alex
KOH Bo Chao Alex	28-36	VAN DEN BIGGELAAR Nicky
ALBRIGTSEN Vidar	23-41	KOH Bo Chao Alex

2014-09-27: 11th Singapore Open(Singapore)

KOH Bo Chao Alex	28-36	LIM Xin Yi
IRAWAN Henry	12-52	KOH Bo Chao Alex
KOH Bo Chao Alex	48-16	HAMIJOYO Kevin
CHEW Ching Wuen	28-36	KOH Bo Chao Alex
KOH Bo Chao Alex	50-14	CHUA Woon Yang
PAW Su Lin Kenneth	42-22	KOH Bo Chao Alex

2014-08-03: 7th Singapore National(Singapore)

KOH Bo Chao Alex	33-31	CHEW Ching Wuen
PAW Su Lin Kenneth	28-36	KOH Bo Chao Alex
KOH Bo Chao Alex	39-25	KOH Bo Xiang
LEONG Chee Kit	28-36	KOH Bo Chao Alex
KOH Bo Chao Alex	23-41	CHONG Sky
LEE Choon Foong	27-37	KOH Bo Chao Alex
KOH Bo Chao Alex	50-14	CHUA Woon Yang
KOH Bo Chao Alex	36-28	CHONG Sky
CHONG Sky	31-33	KOH Bo Chao Alex
KOH Bo Chao Alex	36-28	CHEW Ching Wuen
CHEW Ching Wuen	28-36	KOH Bo Chao Alex

2013-08-24: Singapore Championship(Singapore)

CHONG Sky	14-50	KOH Bo Chao Alex
KOH Bo Chao Alex	53-11	PAW Su Lin Kenneth
CHEW Ching Wuen	31-33	KOH Bo Chao Alex
KOH Bo Chao Alex	45-19	LEE Choon Foong
HIDAYAT Romy	30-34	KOH Bo Chao Alex
GOH Jun Jie Anthony	29-35	KOH Bo Chao Alex
KOH Bo Chao Alex	34-30	LIN WEI HAO Roy
KOH Bo Chao Alex	38-26	KOH Bo Xiang
KOH Bo Xiang	31-33	KOH Bo Chao Alex
KOH Bo Chao Alex	39-25	PAW Su Lin Kenneth
PAW Su Lin Kenneth	41-23	KOH Bo Chao Alex
PAW Su Lin Kenneth	32-32	KOH Bo Chao Alex

2013-07-21: 10th Singapore Open(Singapore)

WU Jin Feng	33-31	KOH Bo Chao Alex
KOH Bo Chao Alex	38-26	TAN Yan Shao
LOW Wee Hao Eddie	31-33	KOH Bo Chao Alex
CHEANG Eu Howe Gabriel	26-38	KOH Bo Chao Alex
KOH Bo Chao Alex	39-25	CHEW Ching Wuen
KOH Bo Xiang	25-39	KOH Bo Chao Alex
LIN WEI HAO Roy	28-36	KOH Bo Chao Alex

2013-05-19: 9th Singapore Open 2013(Singapore)

KOH Bo Chao Alex	64-00	LOW Wei Xin Wilson
CHEANG Eu Howe Gabriel	12-52	KOH Bo Chao Alex
KOH Bo Chao Alex	49-15	WU Jin Feng
KOH Bo Chao Alex	47-17	LOW Wee Hao Eddie

2013-03-31: 34_Meijin(Japan)

KIYONOBU Kenta	won against	KOH Bo Chao Alex
KOH Bo Chao Alex	won against	ISEDA Katsuya
KOH Bo Chao Alex	won against	GOTO Masahiro
KOH Bo Chao Alex	won against	ARAKI Yasuyuki
SUEKUNI Makoto	won against	KOH Bo Chao Alex
KOH Bo Chao Alex	won against	KOMAGATA Masayuki
KOH Bo Chao Alex	won against	ITAGAKI Kenichi

2013-03-17: 8th Singapore Open 2013(Singapore)

KOH Bo Chao Alex	36-28	CHUA Zi Wei
MUHAMMAD Nur Hakim	24-40	KOH Bo Chao Alex
KOH Bo Chao Alex	46-18	LOW Wee Hao Eddie
WU Jin Feng	23-41	KOH Bo Chao Alex
KOH Bo Chao Alex	44-20	LEONG Chee Kit

2013-01-24 → 2013-01-27: Othello World Cup(World)

BERG Matthias	won against	KOH Bo Chao Alex
TAKIZAWA Masaki	won against	KOH Bo Chao Alex
NOWAK Dominik	won against	KOH Bo Chao Alex
MORENO Borja	won against	KOH Bo Chao Alex
KOH Bo Chao Alex	won against	PIHLAJAPURO Katie
KOH Bo Chao Alex	won against	KANG Le
KOH Bo Chao Alex	won against	WILLIAM Joanna
KOH Bo Chao Alex	won against	TAN KIN Piow
KOH Bo Chao Alex	won against	CUPIAL Milosz
KOH Bo Chao Alex	won against	FELDBORG Karsten
KOH Bo Chao Alex	won against	VINAR Matt
YAP Siew Kun	won against	KOH Bo Chao Alex
FRONMARK Marcus	won against	KOH Bo Chao Alex

2012-12-16: 2nd Singapore Othello Masters Series 2012(Singapore)

KOH Bo Chao Alex	52-12	SET Zhi Wei
KOH Bo Chao Alex	27-37	KOH Bo Xiang
LEONG Chee Kit	36-28	KOH Bo Chao Alex
KOH Bo Chao Alex	22-42	LIN WEI HAO Roy
WU Jin Feng	24-40	KOH Bo Chao Alex
KOH Bo Chao Alex	48-16	MUHAMMAD Nur Hakim
TAN Yan Shao	21-43	KOH Bo Chao Alex

2012-11-18: 7th Singapore Open(Singapore)

KOH Bo Chao Alex	44-20	SET Zhi Wei
WU Jin Feng	23-41	KOH Bo Chao Alex
KOH Bo Chao Alex	31-33	LEONG Chee Kit
CHUA Zi Wei	24-40	KOH Bo Chao Alex
KOH Bo Chao Alex	51-13	LOW Wee Hao Eddie
SET Zhi Wei	24-40	KOH Bo Chao Alex

2012-10-21: 6th Singapore Open 2012(Singapore)

KOH Bo Chao Alex	49-15	WU Jin Feng
LOW Wee Hao Eddie	26-38	KOH Bo Chao Alex
SET Zhi Wei	19-45	KOH Bo Chao Alex
KOH Bo Chao Alex	51-13	WONG Ci Siang
KOH Bo Chao Alex	61-03	LIM Wee Kiat

2012-09-09: 5th Singapore Open 2012 (Division A)(Singapore)

KOH Bo Chao Alex	31-33	LEE Choon Foong
CHEW Ching Wuen	17-47	KOH Bo Chao Alex
KOH Bo Chao Alex	43-21	KOH Bo Xiang

2012-08-04: Singapore Othello Championship(Singapore)

KOH Bo Chao Alex	39-25	LIM Yee Siang
WU Jin Feng	41-23	KOH Bo Chao Alex
KOH Bo Chao Alex	54-10	YONG Hui Fang
KOH Bo Xiang	37-27	KOH Bo Chao Alex
KOH Bo Chao Alex	44-20	TAN Yan Shao

2012-03-04: Meijin_groupA(Japan)

KOH Bo Chao Alex	34-30	MATSUYA Shinpei
KOH Bo Chao Alex	38-26	NAKANO Jo
KOH Bo Chao Alex	32-32	NAKAMORI Hiroki
KOH Bo Chao Alex	33-31	KANDA Yoshihiro
ITO Junya	47-17	KOH Bo Chao Alex
KOH Bo Chao Alex	33-31	UMEZAWA Yoshinori
ESAKI Yuta	39-25	KOH Bo Chao Alex

2011-12-04: Singapore Othello Masters Series - SOMS 2011(Singapore)

KOH Bo Chao Alex	34-30	YING Ke Sin
CHUA Zi Wei	16-48	KOH Bo Chao Alex
KOH Bo Chao Alex	42-22	KOH Bo Xiang
LEONG Chee Kit	21-43	KOH Bo Chao Alex
KOH Bo Chao Alex	46-18	NG Qi Han
KOH Bo Chao Alex	40-24	WILLIAM Joanna
WU Jin Feng	14-50	KOH Bo Chao Alex

2011-11-03 → 2011-11-05: WOC 2011 (New-York)(World)

KOH Bo Chao Alex	36-28	POIRIER Serge
FU Jacky	31-33	KOH Bo Chao Alex
KOH Bo Chao Alex	30-34	MARCONI Francesco
KRACZYK Roman	29-35	KOH Bo Chao Alex
KOH Bo Chao Alex	31-33	KANG Le
OH Joungmok	30-34	KOH Bo Chao Alex
KOH Bo Chao Alex	22-42	CHITRA Yohanes
VINAR Matt	44-20	KOH Bo Chao Alex
KOH Bo Chao Alex	52-12	FAKFANG Sakda
SURY Bartlomiej	43-21	KOH Bo Chao Alex
KOH Bo Chao Alex	41-23	DOUDA Tomas
RODRIGUEZ Ismael	29-35	KOH Bo Chao Alex
KOH Bo Chao Alex	43-21	ODEGARD Martin

2011-08-08: Singapore Championship(Singapore)

KOH Bo Chao Alex	64-00	NG Mei Xian Priscilla
TSOI Chun Yip	23-41	KOH Bo Chao Alex
KOH Bo Chao Alex	37-27	CHEW Ching Wuen
LEE Choon Foong	31-33	KOH Bo Chao Alex
KOH Bo Chao Alex	47-17	LEONG Chee Kit
CHONG Sky	23-41	KOH Bo Chao Alex
KOH Bo Chao Alex	27-37	TSOI Chun Yip
KOH Bo Chao Alex	29-35	LEONG Chee Kit

2011-07-24: Sosuco Thailand Open(Thailand)

RAKPRAKOBKIT Kittipong	17-47	KOH Bo Chao Alex
KOH Bo Chao Alex	50-14	JONGUDOMKARN Jongsalit
KOH Bo Chao Alex	24-40	AUNCHULEE Rujipas
CHEW Ching Wuen	32-32	KOH Bo Chao Alex
KOH Bo Chao Alex	38-26	PATTARAKUL Nida
OOI Stanley	24-40	KOH Bo Chao Alex
KOH Bo Chao Alex	32-32	KOH Bo Xiang
IAMCHIRANGKUL Sitthichai	24-40	KOH Bo Chao Alex
KOH Bo Chao Alex	23-41	AUNCHULEE Rujipas
AUNCHULEE Rujipas	44-20	KOH Bo Chao Alex

2010-12-11: Singapore Open Othello Championship(Singapore)

YAP Siew Kun	35-29	KOH Bo Chao Alex
KOH Bo Chao Alex	51-13	CHONG Wee Lee
SWEE Chuan Moh	12-52	KOH Bo Chao Alex
KOH Bo Chao Alex	51-13	CHEW Ching Wuen
LEE Choon Foong	37-27	KOH Bo Chao Alex
KOH Bo Chao Alex	62-02	LIM Nicholson
KOH Bo Chao Alex	12-52	LI Chun Wan

2010-08-14: Singapore National Othello Championship - SNOC2010(Singapore)

KOH Bo Chao Alex	49-15	LOW Wee Hao Eddie
NG Yen Lee	22-42	KOH Bo Chao Alex
KOH Bo Chao Alex	33-31	LEE Choon Foong
WILLIAM Joanna	24-40	KOH Bo Chao Alex
KOH Bo Chao Alex	38-26	SUEKUNI Makoto
KOH Bo Xiang	44-20	KOH Bo Chao Alex
KOH Bo Chao Alex	29-35	LEE Choon Foong
KOH Bo Chao Alex	31-33	SUEKUNI Makoto

2009-07-25: Singapore Othello Championship - SOC2009(Singapore)

LIM Hui Min Emily	00-64	KOH Bo Chao Alex
KOH Bo Chao Alex	64-00	KER Li Juin
LUI Him Lun	11-53	KOH Bo Chao Alex
KOH Bo Chao Alex	48-16	CHONG Sky
PAW Su Lin Kenneth	25-39	KOH Bo Chao Alex
SUEKUNI Makoto	35-29	KOH Bo Chao Alex
KOH Bo Chao Alex	44-20	WILLIAM Joanna
KOH Bo Chao Alex	54-10	LEE Choon Foong

2008-08-30: Singapore Open Othello Championship - SOOC2008(Singapore)

KOH Bo Chao Alex	28-36	NG Yen Lee
BUDIMAN Rusdi	25-39	KOH Bo Chao Alex
KOH Bo Chao Alex	33-31	YING Ke Sin
LEONG Chee Kit	24-40	KOH Bo Chao Alex
KOH Bo Chao Alex	41-23	CHONG Sky
KOH Bo Chao Alex	18-46	SUEKUNI Makoto
KOH Bo Xiang	32-32	KOH Bo Chao Alex
KOH Bo Chao Alex	38-26	LIEW Yik Meng

2008-05-31 → 2008-06-07: Singapore National Othello Championship - SNOC2008(Singapore)

KOH Bo Chao Alex	47-17	HO Yong Tze
YING Ke Sin	31-33	KOH Bo Chao Alex
CHONG Sky	45-19	KOH Bo Chao Alex
KOH Bo Chao Alex	48-16	ONG Wee Ling
WU Jin Feng	22-42	KOH Bo Chao Alex
KOH Bo Chao Alex	46-18	LEO Chin Ho
KOH Bo Xiang	40-24	KOH Bo Chao Alex
KOH Bo Chao Alex	34-30	LIN WEI HAO Roy
KOH Bo Chao Alex	49-15	ONG Shi Hao Samuel
KOH Bo Chao Alex	41-23	LEONG Chee Kit
KOH Bo Chao Alex	37-27	LEONG Chee Kit

KOH Bo Chao Alex (Singapore)

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