Wiwatthanapornchai, At
Current rating: 1483
Record: 4-5
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 39 | Kasempatanakarn, Wiwat (1543) | Lost 0-1 | -171483 |
| 2sealed | 275 | Koh, Zhi Sin (1462) | Lost 0-2 | -191464 |
| 3sealed | 331 | Thanarukvudhikorn, Tha (1464) | Lost 1-2 | -181446 |
| 4sealed | 372 | Sukkho, Kittipath (1444) | Lost 1-2 | -181428 |
| 5sealed | 341 | Chutima, Nandaehart (1427) | Won 2-0 | +181446 |
| 6sealed | 292 | Yap, Jeffrey (1428) | Won 2-0 | +181464 |
| 7sealed | 252 | Sungchim, Jiffapon (1461) | Won 2-1 | +181482 |
| 8sealed | 218 | sia, david m (1523) | Lost 0-2 | -171465 |
| 9sealed | 200 | Saihang, Prasit (1462) | Won 2-0 | +181483 |
| average opponent: 1468record: 4-5 | new rating: 1483 | |||