Withtayasat, Assawin
Current rating: 1416
Record: 9-15
| Regional Championships Singapore 2022 (pioneer) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 34 | Yeo, Alvin (1500) | Lost 0-2 | -171444 |
| 2pioneer | 51 | Gragasin, Billy (1478) | Lost 1-2 | -181426 |
| 3pioneer | 75 | Krish, Rondy (1896) | Lost 1-2 | -101416 |
| top | average opponent: 1624record: 0-3 | new rating: 1416 | ||
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 40 | Kim, Jae-hong (1460) | Lost 0-2 | -191499 |
| 2sealed | 229 | Chandrindra, Phath (1416) | Lost 1-2 | -201479 |
| 3sealed | 386 | Aonnom, Kriengkrai (1465) | Lost 1-2 | -181461 |
| top | average opponent: 1447record: 0-3 | new rating: 1461 | ||
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 50 | Cooke, Jonathan (1499) | Lost 1-2 | -201538 |
| 2standard | 143 | Yap, Jason (1704) | Won 2-0 | +211559 |
| 3standard | 214 | Watcharaudomporn, Apinop (1503) | Lost 0-0 | -191540 |
| 4standard | 276 | Tan, Chai Jing (1544) | Won 2-0 | +191559 |
| 5standard | 235 | Lim, Michael Zhi Shen (1489) | Lost 0-2 | -201539 |
| 6standard | 261 | Yong, Gilbert (1348) | Lost 0-2 | -211518 |
| top | average opponent: 1514record: 2-4 | new rating: 1518 | ||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 96 | Tan, Steven (1624) | Won 2-1 | +201520 |
| 2sealed | 58 | Kessler, Levi (1575) | Won 2-1 | +191539 |
| 3sealed | 59 | Yao, Shimeng (1632) | Won 2-1 | +201559 |
| 4sealed | 41 | Zhao, Tianyu (1739) | Lost 1-2 | -151544 |
| 5sealed | 100 | Schultz, Christian (1538) | Won 2-0 | +181562 |
| 6sealed | 84 | Srirattana, Noppadol (1682) | Won 2-0 | +201582 |
| 7sealed | 24 | Watanabe, Yuuya (2003) | Won 2-0 | +261608 |
| 8sealed | 21 | Somjai, Om (1580) | Won 2-1 | +171625 |
| 9sealed | 21 | Takahashi, Yuta (1750) | Lost 0-2 | -161609 |
| 10draft | 29 | Sarpphaitoon, Suppachai (1528) | Lost 1-2 | -191590 |
| 12draft | 37 | Ng, Nigel Eu Tong (1612) | Lost 0-2 | -181572 |
| 13draft | 11 | Poonsawat, Chayapol (1758) | Lost 0-2 | -141558 |
| top | average opponent: 1669record: 7-5 | new rating: 1558 | ||