Sebastian, Jonathan
Current rating: 1423
Record: 1-6
| Regional Championships Singapore 2022 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 28 | Sorakup, Aekarash (1657) | Lost 0-2 | -151485 |
| 2pioneer | 58 | Lee, Marcus Bing Sian (1307) | Won 2-1 | +151500 |
| 3pioneer | 42 | Cuello, Anthony (1542) | Lost 0-2 | -181482 |
| 4pioneer | 53 | Chaovarindr, Thirawat (1760) | Lost 1-2 | -131469 |
| 5pioneer | 60 | tian, claire (1472) | Lost 0-2 | -181451 |
| 6pioneer | 58 | Ladera, Wella Anne (1489) | Lost 0-2 | -171434 |
| 7pioneer | 52 | Camangon, Gerald (1806) | Lost 0-2 | -111423 |
| average opponent: 1576record: 1-6 | new rating: 1423 | |||