Koh, Nicholas
Current rating: 1479
Record: 15-19-1
| Regional Championships Melbourne 2023 (ONE standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 50 | Weyers, Beau (1554) | Won 2-1 | +201484 |
| 2standard | 31 | Macinante, Matthew (1518) | Won 2-1 | +181502 |
| 3standard | 3 | Gordon, Aidan (1521) | Won 2-0 | +191521 |
| 4standard | 6 | Tudman, Ben (1747) | Lost 0-2 | -141507 |
| 5standard | 8 | Crawford, Brennan (1713) | Lost 1-2 | -151492 |
| 6standard | 24 | Dewitte, Matthew (1519) | Lost 0-2 | -171475 |
| 7standard | 32 | Munro, Scott (1431) | Won 2-0 | +171492 |
| 8standard | 21 | Gittins, Calum (1786) | Lost 1-2 | -131479 |
| top | average opponent: 1599record: 4-4 | new rating: 1479 | ||
| Grand Prix Brisbane 2019 (ELD standard) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 89 | Sherlock, Matthew (1537) | Lost 1-2 | -171460 |
| 3standard | 119 | Collard, Alex (1483) | Won 2-1 | +181478 |
| 4standard | 97 | Gardiner, Zachary (1603) | Lost 0-2 | -151463 |
| 5standard | 114 | Renton, Matthew (1473) | Won 2-1 | +181481 |
| 6standard | 68 | Chetcuti, Vincent (1544) | Lost 1-2 | -171464 |
| top | average opponent: 1528record: 2-3 | new rating: 1464 | ||
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Chew, Jason Soon Hooi (1500) | Won 2-1 | +191451 |
| 2sealed | 88 | Oomori, Yasutomo (1801) | Won 2-0 | +241475 |
| 3sealed | 98 | Lee, Wing Tat (1731) | Lost 0-2 | -131462 |
| 4sealed | 109 | Ng, Yang Theng (1585) | Won 2-0 | +201482 |
| 5sealed | 71 | Nishida, Makoto (1544) | Lost 0-2 | -171465 |
| 6sealed | 100 | Setsompop, Mingrerk (1704) | Won 2-0 | +231488 |
| 7sealed | 120 | Lu, Liguo (1690) | Lost 1-2 | -151473 |
| 8sealed | 132 | Wijaya, Christian (1741) | Lost 1-2 | -131460 |
| 9sealed | 167 | Cho, Zheng Heng (1397) | Won 2-0 | +171477 |
| top | average opponent: 1633record: 5-4 | new rating: 1477 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 331 | Nakashima, Takumi (1436) | Lost 1-2 | -201478 |
| 4standard | 763 | Kawaguchi, Kyouhei (1765) | Lost 1-2 | -121466 |
| 5standard | 793 | Atsumi, Yoshihiro (1486) | Lost 0-1 | -181448 |
| 6standard | 883 | Takaoka, Yusuke (1520) | Lost 0-2 | -171431 |
| 7standard | 755 | Miyoshi, Nobumitsu (1416) | Lost 1-2 | -181413 |
| 8standard | 668 | Kato, Shinsaku (1444) | Won 2-0 | +181431 |
| 9standard | 542 | Kondo, Yudai (1466) | Draw 1-1 | +11432 |
| top | average opponent: 1505record: 1-5-1 | new rating: 1432 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 133 | Hong, Sophie (1500) | Won 2-1 | +181518 |
| 2modern | 120 | Giri, Devinn Shaun (1488) | Lost 1-2 | -191499 |
| 3modern | 441 | DENG KAI EDWIN, TAN (1500) | Won 2-1 | +181517 |
| 4modern | 284 | Jun Long, Lim (1483) | Lost 0-2 | -181499 |
| 5modern | 407 | Harris, Geoffrey (1494) | Won 2-0 | +181517 |
| 6modern | 248 | Kwan, Wen Ching (1450) | Lost 1-2 | -191498 |
| top | average opponent: 1486record: 3-3 | new rating: 1498 | ||