Permpreedanan, Wittawan
Current rating: 1760 (#3438)
Record: 20-7-1
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1640 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Kularb, Mapichit (1500) | Won 2-0 | +161656 |
| 2sealed | 100 | Yasuda, Seita (1737) | Won 2-0 | +191675 |
| 3sealed | 134 | Lee, Anthony (1790) | Won 2-1 | +201695 |
| 4sealed | 30 | Wentao, Qi (1906) | Won 2-1 | +221717 |
| 5sealed | 16 | Wijaya, Christian (1749) | Won 2-1 | +191736 |
| 6sealed | 20 | Narumiya, Ryuuma (1615) | Won 2-1 | +151751 |
| 7sealed | 11 | Kihara, Atsuki (1973) | Lost 1-2 | -141737 |
| 8sealed | 12 | Xie, Zhan (1754) | Draw 1-1 | +11738 |
| 9sealed | 26 | Mung, Hermes Ho Kai (1679) | Won 2-0 | +171755 |
| 10draft | 4 | Duke, Reid (2135) | Lost 0-2 | -121743 |
| 11draft | 4 | Upadhaya, Ravi (1570) | Won 2-0 | +151758 |
| 12draft | 4 | Xie, Zhan (1769) | Lost 0-2 | -181740 |
| 13draft | 36 | Boonyasatian, Surachaste (1779) | Won 2-1 | +191759 |
| 14draft | 9 | Suriyamanee, Suttinan (1603) | Won 2-0 | +151774 |
| 15draft | 57 | Zhi, Yimin (2015) | Lost 1-2 | -141760 |
| average opponent: 1772record: 10-4-1 | new rating: 1760 | |||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 86 | Prasjaksattru, Parn (1489) | Won 2-0 | +181518 |
| 4sealed | 35 | Wong, Nicholas Jonathan (1764) | Lost 1-2 | -141504 |
| 5sealed | 169 | Liau, Liang-Wei (1489) | Won 2-0 | +181522 |
| 6sealed | 70 | Chanthukshasill, Napha (1555) | Won 2-1 | +191541 |
| 7sealed | 55 | Lee, Jim Tim (1585) | Won 2-0 | +181559 |
| 8sealed | 10 | Jinyuan, Ken Hu (1577) | Won 2-0 | +191578 |
| 9sealed | 13 | Kamolto, Chanapol (1561) | Lost 1-2 | -191559 |
| 10draft | 44 | Sangpar, Prakit (1448) | Won 2-0 | +161575 |
| 11draft | 27 | Domocmat, Jeremy Bryan (1526) | Won 2-0 | +171592 |
| 12draft | 14 | Vichaphund, Sav (1659) | Won 2-1 | +201612 |
| 13draft | 34 | Ordonez, Arrian Ferric (1780) | Won 2-1 | +211633 |
| 14draft | 40 | Patriawan, Kurniadi (1690) | Lost 0-2 | -171616 |
| 15draft | 9 | Lee, Shi Tian (1983) | Won 2-0 | +241640 |
| average opponent: 1623record: 10-3 | new rating: 1640 | |||