Kullasupmanee, Atthama
Current rating: 1428
Record: 2-6
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 113 | Choi, Seung-Muk (1500) | Lost 1-2 | -181482 |
| 2sealed | 268 | Taha Al'asrar, Syed Khal (1532) | Lost 0-2 | -171465 |
| 3sealed | 296 | TUNTIWIWATHNAPUN, THAN (1463) | Lost 0-2 | -181447 |
| 4sealed | 365 | Bura, Patavee (1451) | Lost 0-2 | -181429 |
| 5sealed | 337 | Vongsapharn, Luckkanai (1427) | Won 2-0 | +181447 |
| 6sealed | 293 | Chantavichanuwong, Don (1444) | Won 2-0 | +181465 |
| 7sealed | 261 | John, Eugene (1376) | Lost 1-2 | -201445 |
| 8sealed | 230 | Ibrahim, Khairil (1477) | Lost 0-2 | -171428 |
| average opponent: 1459record: 2-6 | new rating: 1428 | |||