Koh, Shaun
Current rating: 1449
Record: 4-7
| Grand Prix Singapore 2015 (modern) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 214 | Kim, Inhwan (1588) | Lost 1-2 | -171506 |
| 2modern | 340 | Macdonald, William (1483) | Lost 0-2 | -191487 |
| 3modern | 492 | Adikoesoemo, Austein (1344) | Lost 1-2 | -201467 |
| 4modern | 509 | Chew, Andy (1463) | Lost 0-2 | -181449 |
| average opponent: 1470record: 0-4 | new rating: 1449 | |||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Ramirez, Bryan Allen (1673) | Lost 0-2 | -151485 |
| 2sealed | 251 | Akram, Imran (1382) | Won 2-1 | +161501 |
| 3sealed | 210 | Marallag, Zoilo (1500) | Won 2-1 | +181519 |
| 4sealed | 160 | Cho, Derek Jun Hao (1557) | Won 2-1 | +191538 |
| 5sealed | 151 | Pang, Edwin Jian Xiang (1584) | Lost 1-2 | -171521 |
| 6sealed | 192 | Sciesinski, Marcin (1677) | Lost 0-2 | -151506 |
| 7sealed | 222 | Soh, Yun Huei (1446) | Won 2-1 | +171523 |
| average opponent: 1546record: 4-3 | new rating: 1523 | |||