Toh, Woon Seong
Current rating: 1404
Record: 4-10-1
| Grand Prix Singapore 2005 (extended) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 87 | Shimoji, Ai (1574) | Draw 1-1 | +31415 |
| 2extended | 80 | Weng, Rong Can (1498) | Won 2-1 | +191434 |
| 3extended | 54 | Goh, Johnson (1538) | Lost 1-2 | -161418 |
| 4extended | 123 | Widjaja, Rudy (1437) | Won 2-1 | +181436 |
| 5extended | 93 | Ng, Chong Leng (1436) | Lost 1-2 | -181418 |
| 6extended | 120 | Wong, Choon Hong Ronald (1499) | Lost 0-2 | -161402 |
| 7extended | 125 | Chen, SiHao (1483) | Won 2-0 | +191421 |
| 8extended | 100 | Chen, Yenh-Hau (1483) | Lost 0-2 | -171404 |
| average opponent: 1494record: 3-4-1 | new rating: 1404 | |||
| Grand Prix Singapore 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 76 | Amda, Arifin Bin Ali (1500) | Lost 0-2 | -181482 |
| 2block | 85 | Keng, Wei Lieh Willie (1482) | Won 2-1 | +181500 |
| 3block | 82 | See, Francis aaron (1499) | Lost 1-2 | -181482 |
| 4block | 109 | Wong, James Ling Guan (1465) | Lost 0-2 | -181464 |
| 5block | 73 | Tay, Eric Wei Li (1498) | Lost 1-2 | -181446 |
| 6block | 103 | Oh, Zhi Fu Walter (1482) | Lost 1-2 | -171429 |
| 7block | 103 | Kang, Kai Sheng Joey (1464) | Lost 0-2 | -171412 |
| average opponent: 1484record: 1-6 | new rating: 1412 | |||