Ratings
2019-11-09: Addit Open(Denmark)
2019-09-14: Danish Championship 2019(Denmark)
| NIELSEN John | 04-60 | MICHAELSEN Peter |
| NIELSEN Alberte Josefine | 24-40 | NIELSEN John |
| NIELSEN John | 15-49 | HOEGH Daniel |
| HEDE Kim | 19-45 | NIELSEN John |
| NIELSEN John | 13-51 | LUND Erik |
| JOHANSEN Kim K. | 09-55 | NIELSEN John |
| NIELSEN John | 10-54 | FELDBORG Karsten |
| NIELSEN John | 17-47 | PEDERSEN Martin Moeller Skarbiniks |
| JENSEN Xiaofang Qu | 25-39 | NIELSEN John |
| NIELSEN John | 58-06 | ULVEDAL JENSEN Elisabeth Caohuimin |
| AAGAARD-HANSEN Jens | 46-18 | NIELSEN John |
| NIELSEN John | 12-52 | HUBBARD Geoff |
| NIELSEN Alberte Josefine | 30-34 | NIELSEN John |
| NIELSEN John | 04-60 | FELDBORG Karsten |
2018-11-11: Aarhus Open(Denmark)
2018-09-07: Dansk Mesterskab 2018(Denmark)
2018-08-11 → 2018-08-12: EGP Copenhagen 2018(Denmark)
2018-06-16: Greve Othello Cup(Denmark)
2018-03-18: Fredericia Open(Denmark)
2018-01-13: Roerby open(Denmark)
| BADSTED Palle | 61-03 | NIELSEN John |
| NIELSEN John | 46-18 | PEDERSEN Martin Moeller Skarbiniks |
| AAGAARD-HANSEN Jens | 50-14 | NIELSEN John |
| NIELSEN John | 28-36 | MICHAELSEN Peter |
| LUND Erik | 55-09 | NIELSEN John |
| NIELSEN John | 17-47 | GRAULUND Lars Peter |
| NIELSEN John | 11-53 | LINDE Mathias |
| JACOBSEN Shirley | 39-25 | NIELSEN John |
| NIELSEN John | 35-29 | BJERRE Soren |
| HUBBARD Geoff | 53-11 | NIELSEN John |
| NIELSEN John | 15-49 | PALUDAN Berit |
| NIELSEN John | 43-21 | ANDREASEN Mathias |
| NIELSEN John | 23-41 | MURAWSKI Stefan |
| BLIJLEVEN Mireille | 09-55 | NIELSEN John |
| NIELSEN John | 07-57 | FREIBURGHAUS Kim |
| BARRASS Iain | 57-07 | NIELSEN John |
| NIELSEN John | 46-18 | JONSSON KARL Kristoffer |
| TURNER Ian | 36-28 | NIELSEN John |
| NIELSEN John | 22-42 | DE GRAAF Jasmijn |
| NIELSEN John | 49-15 | BJERRE Soren |
| ANDERSSON Christopher | 26-38 | NIELSEN John |
| NIELSEN John | 19-45 | WIDMAN Linnea |
| HOEGH Daniel | 44-20 | NIELSEN John |
| HOEGH Daniel | 42-22 | NIELSEN John |
| NIELSEN John | 07-57 | LUND Erik |
| AAGAARD-HANSEN Jens | 41-23 | NIELSEN John |
| NIELSEN John | 37-27 | HOEGH Daniel |
| LUND Erik | 55-09 | NIELSEN John |
| NIELSEN John | 16-48 | AAGAARD-HANSEN Jens |
| NIELSEN John | 11-53 | HOEGH Daniel |
| NIELSEN John | 04-60 | AAGAARD-HANSEN Jens |
| FELDBORG Karsten | 60-04 | NIELSEN John |
| NIELSEN John | 22-42 | MICHAELSEN Peter |
| HEDE Kim | 14-50 | NIELSEN John |
| NIELSEN John | 52-12 | JAKOBSEN Henning |
| SKOV Jan | 15-49 | NIELSEN John |
| BUERUP-JOERGENSEN Henning | 00-64 | NIELSEN John |
| NIELSEN John | 55-09 | JOHANSEN Kim K. |
| HOEGH Daniel | 40-24 | NIELSEN John |
| NIELSEN John | 08-56 | BADSTED Palle |
| MICHAELSEN Peter | 46-18 | NIELSEN John |
| NIELSEN John | 07-57 | AAGAARD-HANSEN Jens |
2005-12-04: Aarhus Open 2005(Denmark)
2005-10-23: Odense Open 2005(Denmark)
| LARSEN Caspar Pagh | won against | NIELSEN John |
| NIELSEN John | lost to | LINDHOLT Jonas |
| HANSEN Michael | won against | NIELSEN John |
| NIELSEN John | lost to | JENSEN Kim Dennis |
| STEFFENSEN Michael | won against | NIELSEN John |
| SKOUBOE Jacob | won against | NIELSEN John |
| AAGAARD-HANSEN Jens | won against | NIELSEN John |
| NIELSEN John | lost to | LINDHOLT Jonas |
| HANSEN Michael | won against | NIELSEN John |
| NIELSEN John | won against | JOHANSEN Johnny |
| JENSEN Kim Dennis | won against | NIELSEN John |
| NIELSEN John | lost to | STORM Henning |