Chai, Jestin
Current rating: 1562
Record: 5-2-1
| Regional Championships Singapore 2023 Cycle 4 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 59 | Oh, Edmond (1452) | Won 2-1 | +171517 |
| 2pioneer | 32 | Kuek, Alex (1531) | Won 2-0 | +181535 |
| 3pioneer | 2 | Lee, Gino (1582) | Draw 1-1 | +11536 |
| 4pioneer | 11 | Wiriyaampon, Kampanart (1467) | Lost 0-2 | -191517 |
| 5pioneer | 24 | Yii, Terh Kuen (1637) | Won 2-0 | +201537 |
| 6pioneer | 18 | Kositaporn, Nonthakorn (1788) | Won 2-0 | +231560 |
| 7pioneer | 8 | Oca, Ramon Allan (1603) | Lost 0-2 | -181542 |
| 8pioneer | 18 | Borabo, Erickson (1623) | Won 2-0 | +201562 |
| average opponent: 1585record: 5-2-1 | new rating: 1562 | |||