Lerdthammatavee, Pheer
Current rating: 1578
Record: 16-15-1
| Grand Prix Bangkok 2009 (M10 limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 27 | Chua, Chang (1776) | Lost 1-2 | -141523 |
| 5sealed | 54 | Kruasrisawat, Teerapon (1535) | Won 2-0 | +181541 |
| 6sealed | 27 | Chassot, Philippe (1585) | Won 2-0 | +191560 |
| 7sealed | 41 | Edwards, Rudy (1690) | Lost 0-2 | -161544 |
| 8sealed | 45 | Kchaputi, Jirawat (1577) | Won 2-1 | +191563 |
| 9draft | 31 | Sirilertvorakul, Veerapat (1810) | Won 2-0 | +221585 |
| 10draft | 23 | Seah, Danny (1607) | Won 2-0 | +191604 |
| 11draft | 29 | Ong, Kok Seng (1863) | Lost 1-2 | -141590 |
| 12draft | 22 | Bernat, Michael (1875) | Lost 0-2 | -131577 |
| 13draft | 33 | Chen, Bryan (1587) | Lost 1-2 | -171560 |
| 14draft | 31 | Techarattanakrai, Trichai (1564) | Won 2-0 | +181578 |
| top | average opponent: 1679record: 6-5 | new rating: 1578 | ||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 49 | Co, Rykjem T (1538) | Lost 1-2 | -181537 |
| 5block | 106 | Takeuchi, Kiyoshi C (1537) | Lost 1-2 | -181519 |
| 6block | 109 | Bayutas, Benjamin (1519) | Won 2-1 | +181537 |
| 7block | 99 | Pilarta, Willson A (1534) | Won 2-1 | +181555 |
| 8block | 52 | Del Rosario, James (1554) | Lost 1-2 | -181537 |
| top | average opponent: 1536record: 2-3 | new rating: 1537 | ||
| Grand Prix Bangkok 2007 (LRW limited) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 47 | Chawengchot, Chaipat (1519) | Won 2-0 | +181551 |
| 3sealed | 39 | Tangjitphianchok, Sang (1500) | Won 2-1 | +171568 |
| 4sealed | 36 | Lim, Ernest (1531) | Lost 0-2 | -191549 |
| 5sealed | 71 | Yasooka, Shota (1896) | Won 2-1 | +241573 |
| 6sealed | 24 | Thepavan, Chaiyathep (1559) | Lost 0-2 | -181555 |
| top | average opponent: 1601record: 3-2 | new rating: 1555 | ||
| Grand Prix Singapore 2007 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 11 | Lim, Leslie (1399) | Won 2-1 | +161516 |
| 5extended | 22 | Summersberger, Helmut (1916) | Draw 1-1 | +71523 |
| 6extended | 16 | Kitayama, Masaya (1668) | Won 2-1 | +211544 |
| 7extended | 8 | Leung, Sze Lok (1618) | Lost 0-2 | -171527 |
| 8extended | 20 | Karsten, Frank (1923) | Won 2-1 | +251552 |
| 9extended | 11 | Wu, Jia (1660) | Won 2-0 | +201572 |
| 10extended | 6 | Ruel, Antoine (1844) | Lost 0-2 | -131559 |
| 11extended | 14 | Komuro, Shuu (1756) | Won 2-1 | +211580 |
| 12extended | 9 | Tan, Alvin Jia-Huei (1564) | Lost 1-2 | -181562 |
| 13extended | 13 | Law, Albertus Hui Chin (1905) | Lost 0-2 | -121550 |
| 14extended | 19 | Chen, Liang (1610) | Lost 0-2 | -171533 |
| top | average opponent: 1715record: 5-5-1 | new rating: 1533 | ||