Ong, Jeremy
Current rating: 1542
Record: 12-11-1
| Regional Championships Singapore 2023 (pioneer) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 3 | Heng, Chye Hwee (1959) | Won 2-0 | +261549 |
| 2pioneer | 1 | Lim, Victoriano (1852) | Won 2-0 | +231572 |
| 3pioneer | 12 | Lee, Rick Hup Beng (1803) | Lost 0-2 | -141558 |
| 4pioneer | 16 | Winata, Gregorius Andrew (1651) | Lost 0-2 | -161542 |
| top | average opponent: 1816record: 2-2 | new rating: 1542 | ||
| Regional Championships Singapore 2022 (pioneer) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 52 | Delmoro, Eton (1500) | Lost 0-2 | -181503 |
| 2pioneer | 54 | Lim, Adwin (1616) | Lost 0-2 | -161487 |
| 3pioneer | 76 | Pathonsmith, Poom (1499) | Won 2-0 | +181505 |
| 4pioneer | 48 | Lai, Andy (1509) | Won 2-0 | +181523 |
| 5pioneer | 44 | Zainal Abidin, Hizaruddin (1501) | Lost 0-2 | -181505 |
| 6pioneer | 48 | tian, claire (1490) | Won 2-1 | +171522 |
| 7pioneer | 30 | Abdollah, Azman (1507) | Lost 0-2 | -181504 |
| 8pioneer | 42 | Payumo, Kristoffer (1564) | Won 2-0 | +191523 |
| top | average opponent: 1523record: 4-4 | new rating: 1523 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 4 | Nightingale, Jabe (1481) | Lost 0-2 | -171447 |
| 2modern | 262 | Hwang, Winston Jun Wei (1481) | Won 2-0 | +181465 |
| 3modern | 280 | De Pedro, Edgar Leroy (1489) | Won 2-0 | +191484 |
| 4modern | 245 | Lim, Kelvin Tze Yang (1499) | Lost 0-2 | -181466 |
| 5modern | 402 | Teo Xi Jan, Justi (1491) | Won 2-0 | +191485 |
| 6modern | 205 | Cho, Zheng Heng (1402) | Lost 0-2 | -201465 |
| 7modern | 263 | Fadzrun, Ahmad (1538) | Won 2-1 | +191484 |
| 8modern | 239 | Kosuga, Shuhei (1444) | Won 2-0 | +181502 |
| 9modern | 155 | Gan, Meng San (1585) | Won 2-0 | +191521 |
| top | average opponent: 1490record: 6-3 | new rating: 1521 | ||
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 144 | Kwak, Dong An (1508) | Draw 1-1 | 01500 |
| 2sealed | 231 | Daniel Yong, Tien Shin (1500) | Lost 1-2 | -181482 |
| 3sealed | 365 | Hee, Austen (1500) | Lost 0-2 | -181464 |
| top | average opponent: 1503record: 0-2-1 | new rating: 1464 | ||