Weerakiatsanti, Natthaphon
Current rating: 1367
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1396 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 49 | Foo, Wen Han (1555) | Lost 0-2 | -151381 |
| 2sealed | 277 | Cheepchol, Teerapong (1509) | Won 2-1 | +211402 |
| 3sealed | 289 | Fadzrun, Ahmad (1466) | Lost 0-2 | -171385 |
| 4sealed | 287 | Lee, Nicholas [SGP] (1371) | Lost 1-2 | -181367 |
| top | average opponent: 1475record: 1-3 | new rating: 1367 | ||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 176 | Kongjaroen, Phanupak (1500) | Lost 0-2 | -171428 |
| 2sealed | 260 | Popovic, Nico (1482) | Lost 1-2 | -171411 |
| 3sealed | 323 | Upadhaya, Ravi (1463) | Won 2-0 | +191430 |
| 4sealed | 276 | Chaovarindr, Thirawat (1437) | Lost 1-2 | -181412 |
| 5sealed | 317 | Rattanasangsathieng, Piya (1526) | Lost 1-2 | -161396 |
| top | average opponent: 1482record: 1-4 | new rating: 1396 | ||
| Grand Prix Bangkok 2003 (SCG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 35 | Pattarapongsatorn, Teerawut (1500) | Lost 0-2 | -181482 |
| 2standard | 89 | Khanom, Krit (1482) | Lost 0-2 | -181464 |
| 3standard | 110 | Phanpakorn, Dolpipop (1464) | Won 2-1 | +181482 |
| 4standard | 93 | Pornpromlikit, Ekapong (1480) | Lost 0-2 | -181464 |
| 5standard | 107 | Pruettisalikorn, Krisada (1464) | Won 2-0 | +181482 |
| 6standard | 86 | Treeyarak, Chanon (1447) | Lost 0-2 | -191463 |
| 7standard | 102 | Vatanakucharas, Panpat (1466) | Lost 0-2 | -181445 |
| top | average opponent: 1472record: 2-5 | new rating: 1445 | ||