Jantakananurak, Sumphan
Current rating: 1474
Record: 16-19
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 168 | Susanto, Reynandi (1496) | Won 2-0 | +201429 |
| 2sealed | 167 | Zhong, Weian (1564) | Won 2-0 | +201449 |
| 3sealed | 26 | Lam, Daston (1548) | Lost 1-2 | -161433 |
| 4sealed | 188 | Murayama, Yuya (1520) | Lost 0-2 | -161417 |
| 5sealed | 250 | Ang, Arnel (1657) | Won 2-0 | +221439 |
| 6sealed | 209 | Taxi Beng, Ong Shu Liang (1526) | Won 2-1 | +191458 |
| 7sealed | 147 | Chen, Yu Te (1545) | Won 2-1 | +201478 |
| 8sealed | 63 | Teng, Kaiyuan (1494) | Won 2-1 | +181496 |
| 9sealed | 38 | Tan, Chin Heng (1705) | Lost 1-2 | -141482 |
| 10draft | 34 | Chuengcharoensil, Pisanchai (1556) | Won 2-0 | +191501 |
| 11draft | 19 | Feng, Wei (1806) | Lost 0-2 | -121489 |
| 12draft | 35 | Garcia, Immanuel (1531) | Won 2-1 | +191508 |
| 13draft | 27 | Saitrakul, Pataraphong (1586) | Lost 0-2 | -171491 |
| 14draft | 14 | Upadhaya, Ravi (1541) | Lost 0-2 | -171474 |
| top | average opponent: 1577record: 8-6 | new rating: 1474 | ||
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 6 | Braga, Sean Franko (1469) | Lost 0-2 | -181463 |
| 2standard | 230 | Boukari, Karim (1467) | Lost 0-2 | -181445 |
| 3standard | 301 | Lapnimitchai, Arikorn (1431) | Lost 1-2 | -181427 |
| 4standard | 325 | James, Nicholas (1536) | Lost 1-2 | -161411 |
| 5standard | 309 | Chen, Luke (1461) | Won 2-0 | +191430 |
| 6standard | 281 | De Leon, Romeo (1284) | Lost 0-2 | -211409 |
| top | average opponent: 1441record: 1-5 | new rating: 1409 | ||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 130 | Locharahrat, Phumin (1500) | Lost 0-2 | -181521 |
| 2sealed | 240 | Marques, Pedro (1439) | Lost 0-2 | -201501 |
| 3sealed | 330 | Ponlasint, Suntee (1403) | Lost 0-2 | -201481 |
| top | average opponent: 1447record: 0-3 | new rating: 1481 | ||
| Grand Prix Bangkok 2007 (LRW limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 46 | Kchaputi, Jirawat (1518) | Won 2-1 | +181537 |
| 3sealed | 34 | Yu, Pi Hsiang (1508) | Won 2-1 | +171554 |
| 4sealed | 3 | Chang, Chih-Hsiang (1792) | Lost 1-2 | -131541 |
| 5sealed | 41 | Cheepchon, Kullachet (1535) | Won 2-0 | +181559 |
| 6sealed | 28 | Yap, Jason (1593) | Won 2-0 | +181577 |
| 7sealed | 23 | Chen, Qu (1457) | Lost 0-2 | -201557 |
| 8sealed | 56 | Sung, Morris Ming Che (1572) | Lost 1-2 | -181539 |
| top | average opponent: 1568record: 4-3 | new rating: 1539 | ||
| Grand Prix Singapore 2007 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 114 | Ong, Joe Lin (1534) | Won 2-1 | +191519 |
| 3extended | 53 | Chee, Crisler (1465) | Won 2-1 | +171536 |
| 4extended | 65 | Wong, Lucas (1622) | Won 2-0 | +191555 |
| 5extended | 72 | Choo, Yong Han (1489) | Lost 0-2 | -191536 |
| 6extended | 93 | Kong, Chong Teng (1587) | Lost 0-2 | -171519 |
| top | average opponent: 1539record: 3-2 | new rating: 1519 | ||