Prasitthikul, Siam
Current rating: 1472
Record: 16-18-2
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 512 | Wu, Yang Lin (1448) | Won 2-1 | +171493 |
| 2sealed | 112 | Tan, David (1396) | Lost 0-2 | -201473 |
| 3sealed | 173 | Domingo, Marvin (1374) | Lost 0-2 | -191454 |
| 4sealed | 187 | Ong, Chern (1483) | Won 2-1 | +181472 |
| 5sealed | 188 | Sawetsritawan, Thanakarn (1504) | Lost 0-2 | -171455 |
| 6sealed | 185 | Crowther, Alex (1397) | Lost 1-2 | -191436 |
| 7sealed | 215 | Chong, Hosea Tze Foong (1487) | Won 2-0 | +191455 |
| 8sealed | 192 | Kondo, Hirotsugu (1444) | Won 2-0 | +171472 |
| top | average opponent: 1442record: 4-4 | new rating: 1472 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 616 | Katou, Tomiji (1446) | Won 2-1 | +181466 |
| 2sealed | 65 | Okamoto, Yasutaka (1514) | Won 2-0 | +191485 |
| 3sealed | 227 | Horiyama, Hazuki (1537) | Won 2-1 | +191504 |
| 4sealed | 139 | Yamasaki, Yudai (1693) | Draw 1-1 | +31507 |
| 5sealed | 157 | Hirami, Tomonori (1766) | Lost 0-2 | -131494 |
| 6sealed | 360 | Date, Tsutomu (1493) | Lost 0-2 | -181476 |
| top | average opponent: 1575record: 3-2-1 | new rating: 1476 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 568 | Kobayashi, Tatsurou (1568) | Lost 0-2 | -171445 |
| 2sealed | 910 | Yee, Louis (1453) | Won 2-1 | +191464 |
| 3sealed | 654 | Nishiura, Ryosuke (1654) | Lost 1-2 | -151449 |
| 4sealed | 963 | Onodera, Takumi (1419) | Won 2-0 | +171466 |
| 5sealed | 715 | Moriya, Toshihiko (1611) | Lost 0-2 | -151451 |
| 6sealed | 983 | Hagino, Akira (1477) | Won 2-1 | +191470 |
| 7sealed | 765 | Kojima, Toshihiro (1268) | Lost 1-2 | -221448 |
| top | average opponent: 1493record: 3-4 | new rating: 1448 | ||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 121 | wijitrasuntorn, kittip (1500) | Won 2-0 | +171554 |
| 2sealed | 143 | Prasertwongse, Manan (1518) | Lost 1-2 | -181536 |
| 3sealed | 270 | Lertamnatkitseri, Supa (1500) | Lost 1-2 | -191517 |
| 4sealed | 275 | TUNTIWIWATHNAPUN, THAN (1481) | Lost 1-2 | -191498 |
| 5sealed | 301 | Moonmai, Singha (1461) | Won 2-0 | +181516 |
| 6sealed | 274 | Tulapunt, Pongpat (1482) | Lost 0-2 | -191497 |
| 7sealed | 250 | sia, david m (1505) | Lost 0-2 | -181479 |
| 8sealed | 229 | Koo, Andy (1492) | Lost 0-2 | -171462 |
| top | average opponent: 1492record: 2-6 | new rating: 1462 | ||
| Grand Prix Singapore 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 42 | Tay, Eric Wei Li (1500) | Lost 1-2 | -181482 |
| 2block | 78 | Teo, Yi Chiang (1412) | Draw 0-0 | -11481 |
| 3block | 94 | Hiranyasiri, Pongsiri (1481) | Won 2-0 | +181499 |
| 4block | 89 | Yeo, Wen Li (1470) | Won 2-1 | +171516 |
| 5block | 65 | Loo, Yong Hoe (1517) | Won 2-1 | +181534 |
| 6block | 45 | Ishida, Itaru (1728) | Lost 1-2 | -141520 |
| 7block | 61 | Goh, Wee Teck Jerry (1485) | Won 2-0 | +171537 |
| top | average opponent: 1513record: 4-2-1 | new rating: 1537 | ||