Piamrasri, Chomron
Current rating: 1525
Record: 7-6-3
| Grand Prix Bangkok 2007 (LRW limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 67 | Go, Osmond (1540) | Lost 1-2 | -171465 |
| 2sealed | 85 | Sarpphaitoon, Suppachai (1483) | Won 2-1 | +181483 |
| 3sealed | 60 | Kuan, Khang Jong (1579) | Lost 1-2 | -161467 |
| 4sealed | 119 | Khemaphanit, Sinchai (1482) | Won 2-0 | +181485 |
| 5sealed | 96 | Young, Ryan (1603) | Draw 1-1 | +21487 |
| 6sealed | 104 | Suwannoi, Weerawat (1503) | Won 2-0 | +191506 |
| 7sealed | 79 | Ratanapiyanon, Sirinon (1535) | Draw 1-1 | 01506 |
| 8sealed | 82 | Vilhelmsen, Michael (1519) | Won 2-0 | +191525 |
| average opponent: 1531record: 4-2-2 | new rating: 1525 | |||
| Grand Prix Singapore 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 39 | Lim, Shi Cheng James (1500) | Won 2-1 | +181518 |
| 2extended | 45 | Ng, Chong Leng (1429) | Draw 1-1 | -21516 |
| 3extended | 56 | Kong, Chong Teng (1536) | Lost 1-2 | -171499 |
| 4extended | 128 | Ang, Dun Jiu (1500) | Won 2-1 | +181517 |
| 5extended | 95 | Shimoji, Ai (1582) | Lost 0-2 | -171500 |
| 6extended | 121 | Sun, Jiafeng (1423) | Lost 1-2 | -191481 |
| 7extended | 126 | Chai, Eng Chye (1485) | Won 2-1 | +181499 |
| 8extended | 101 | Yang, Joshua (1570) | Lost 0-2 | -171482 |
| average opponent: 1503record: 3-4-1 | new rating: 1482 | |||