Jonathan, Kao
Current rating: 1441
Record: 3-7-1
| Regional Championships Taipei 2023 Cycle 3 (pioneer) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 14 | Tsao, Paul (1417) | Won 2-0 | +171470 |
| 2pioneer | 3 | Chang, Cheng Yu (1702) | Lost 0-2 | -131457 |
| 3pioneer | 14 | Liu, Tei Ming (1452) | Lost 0-2 | -181439 |
| 4pioneer | 24 | Chen, Ping Hung (1483) | Draw 1-1 | 01439 |
| 5pioneer | 22 | Zhang, Chihpo (1465) | Won 2-1 | +191458 |
| 6pioneer | 16 | Fang, Cui-Chen (1512) | Lost 0-2 | -171441 |
| average opponent: 1505record: 2-3-1 | new rating: 1441 | |||
| Regional Championships Taipei 2023 (ONE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 17 | Tse, Yu Hin (1500) | Lost 0-2 | -181482 |
| 2standard | 29 | Huang, Tachi (1699) | Won 2-0 | +221504 |
| 3standard | 14 | Kuan-Hsun, Tu (1553) | Lost 0-2 | -171487 |
| 4standard | 25 | Chang, Cheng Yu (1636) | Lost 0-2 | -151472 |
| 5standard | 21 | Liao, Bo Xun (1451) | Lost 0-2 | -191453 |
| average opponent: 1568record: 1-4 | new rating: 1453 | |||