Yong, Hock Tai
Current rating: 1442
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 31 | Saito, Tomoharu (1971) | Lost 1-2 | -101510 |
| 5block | 67 | Semana, Randy (1584) | Lost 0-2 | -161494 |
| 6block | 113 | Valentino, Lorenzo III (1519) | Lost 1-2 | -181476 |
| 7block | 166 | Pui, Boon Keng (1547) | Lost 1-2 | -171459 |
| 8block | 175 | Amowas, Rafael Barona (1481) | Lost 1-2 | -171442 |
| top | average opponent: 1620record: 0-5 | new rating: 1442 | ||
| Grand Prix Bangkok 2007 (LRW limited) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 17 | Zhou, Quan (1500) | Won 2-1 | +171578 |
| 5sealed | 6 | Hirosawa, Yuuta (1850) | Lost 0-2 | -131565 |
| 6sealed | 34 | Tan, Steven (1619) | Lost 0-2 | -171548 |
| 7sealed | 50 | Ruel, Olivier (2061) | Lost 0-2 | -91539 |
| 8sealed | 81 | Ichayapreug, Paeree (1526) | Lost 1-2 | -191520 |
| top | average opponent: 1711record: 1-4 | new rating: 1520 | ||
| Grand Prix Singapore 2007 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 84 | Eurkittiroj, Arthit (1545) | Won 2-0 | +191519 |
| 3extended | 49 | Chen, Jason (1518) | Won 2-1 | +181537 |
| 4extended | 69 | Loh, Mun Kit (1501) | Won 2-0 | +171554 |
| 5extended | 74 | Lim, Tou Chien (1529) | Won 2-0 | +181572 |
| 6extended | 40 | Yothinsopolgul, Sompol (1530) | Won 2-0 | +171589 |
| 7extended | 20 | Nakatani, Haruki (1644) | Won 2-0 | +191608 |
| 8extended | 6 | Sung, Morris Ming Che (1625) | Won 2-1 | +181626 |
| 9extended | 7 | Jaro, Ogie (1592) | Lost 1-2 | -181608 |
| 10extended | 9 | Chaisuthamporn, Sirichai (1557) | Lost 1-2 | -191589 |
| 11extended | 19 | Lim, Jimmy Chun Long (1594) | Lost 0-2 | -181571 |
| 12extended | 26 | Tan, David (1578) | Won 2-0 | +181589 |
| 13extended | 18 | Tsumura, Kenji (2159) | Lost 0-2 | -91580 |
| 14extended | 26 | Wu, Sebastian (1530) | Lost 1-2 | -191561 |
| top | average opponent: 1608record: 8-5 | new rating: 1561 | ||