Tan, Wei Sau Johnathan
Current rating: 1431
Record: 3-7-1
| Grand Prix Kuala Lumpur 2012 (DKA standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 98 | Wan, Wai Kit (1501) | Lost 1-2 | -171448 |
| 2standard | 166 | Sarpphaitoon, Suppachai (1482) | Lost 1-2 | -171431 |
| 3standard | 242 | Tan, Sze Choon (1465) | Won 2-0 | +181449 |
| 4standard | 234 | Lim, Jia De (1451) | Lost 1-2 | -181431 |
| average opponent: 1475record: 1-3 | new rating: 1431 | |||
| Grand Prix Singapore 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 73 | Lee, Jin Hui Edmund (1500) | Lost 1-2 | -181482 |
| 2extended | 93 | Yeh, Chao Lung (1588) | Lost 1-2 | -161466 |
| 3extended | 144 | Ng, Kay Wee (1464) | Won 2-0 | +181484 |
| 4extended | 169 | Lin, Yi Chao (1482) | Lost 1-2 | -181466 |
| 5extended | 155 | Kuek Hong Feng, Adrian (1464) | Won 2-0 | +181484 |
| 6extended | 136 | Ng, Jun Yuan (1465) | Lost 0-2 | -191465 |
| 7extended | 140 | Teo, Chun Min (1462) | Draw 0-0 | 01465 |
| average opponent: 1489record: 2-4-1 | new rating: 1465 | |||