Rojprasertsudh, Vahcin
Current rating: 1590
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 6 | Lim, Shaun (1653) | Lost 0-2 | -151481 |
| 2sealed | 239 | Mohd Nor, Aiman (1474) | Draw 1-1 | 01481 |
| 3sealed | 343 | Pan, Zhenyu (1479) | Won 2-1 | +181499 |
| 4sealed | 274 | Lee, Lae Chang (1500) | Won 2-0 | +181517 |
| 5sealed | 185 | Bai, Yuhan (1486) | Won 2-1 | +171534 |
| 6sealed | 128 | Kwan, David Wei Phang (1589) | Won 2-1 | +191553 |
| 7sealed | 75 | Graham, Aaron [AUS] (1747) | Won 2-0 | +221575 |
| 8sealed | 42 | Chandrindra, Phath (1517) | Won 2-0 | +171592 |
| 9sealed | 28 | Saitrakul, Pataraphong (1579) | Lost 0-2 | -191573 |
| 10draft | 44 | Omi, Tatsuya (1596) | Won 2-0 | +191592 |
| 11draft | 62 | Urase, Ryosuke (1822) | Lost 0-2 | -141578 |
| 12draft | 13 | Lim, Zhong Yi (1916) | Lost 1-2 | -121566 |
| 13draft | 28 | Mine, Masahiro (1818) | Lost 0-2 | -141552 |
| 14draft | 54 | Mizutani, Yosuke (1785) | Won 2-1 | +231575 |
| 15draft | 13 | Pratummanee, Vongsawatt (1463) | Won 2-0 | +151590 |
| top | average opponent: 1628record: 9-5-1 | new rating: 1590 | ||
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 70 | Huang, Yu Chung (1697) | Won 2-0 | +211552 |
| 3sealed | 22 | Kua, Chun Huat (1515) | Lost 0-1 | -191533 |
| 4sealed | 173 | Wessels, Jonathan (1521) | Lost 1-2 | -181515 |
| 5sealed | 226 | Khang, Ken Nanyi (1450) | Lost 1-2 | -191496 |
| top | average opponent: 1545record: 1-3 | new rating: 1496 | ||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 59 | Kurihara, Tomo (1559) | Lost 0-2 | -171483 |
| 5sealed | 72 | Liu, I Wei (1570) | Won 2-0 | +201503 |
| 6sealed | 111 | jitmaithree, kitipong (1535) | Lost 0-2 | -181485 |
| 7sealed | 130 | Pe, Damien Hang Rui (1502) | Won 2-0 | +191504 |
| 8sealed | 95 | Beley, Ronnie Paul (1701) | Won 2-0 | +211525 |
| 9sealed | 66 | Wangsoparak, Siripong (1510) | Won 2-0 | +181543 |
| 10draft | 13 | Nakalekha, Charlie (1582) | Lost 1-2 | -171526 |
| 11draft | 12 | Ng, Nigel Eu Tong (1596) | Lost 0-2 | -171509 |
| 13draft | 59 | Domocmat, Jeremy Bryan (1490) | Won 2-0 | +171526 |
| 14draft | 1 | Poonsawat, Chayapol (1773) | Lost 0-2 | -131513 |
| 15draft | 42 | Sarpphaitoon, Suppachai (1522) | Won 2-0 | +181531 |
| top | average opponent: 1576record: 6-5 | new rating: 1531 | ||