Po, John Jerson
Current rating: 1588
Record: 10-6
| Regional Championships Singapore 2023 Cycle 4 (pioneer) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 56 | Sim, Danial (1468) | Won 2-0 | +181505 |
| 2pioneer | 31 | Francisco, Joseph (1450) | Won 2-0 | +171522 |
| 3pioneer | 18 | Maglantay, Ranier (1746) | Won 2-1 | +221544 |
| 4pioneer | 4 | Yeo, Jay (1561) | Lost 0-2 | -181526 |
| 5pioneer | 15 | Kurniawan, Samuel Henry (1534) | Won 2-0 | +191545 |
| 6pioneer | 8 | Tang, Nicholas (1693) | Won 2-1 | +201565 |
| 7pioneer | 5 | Jiang, Jonathan (1559) | Won 2-1 | +181583 |
| 8pioneer | 2 | Peng, Zer Shiuan (1767) | ID | 01583 |
| Qpioneer | Yeo, Jay (1601) | Won 2-0 | +181601 | |
| Spioneer | Wijaya, Christian (1854) | Lost 0-2 | -131588 | |
| average opponent: 1623record: 7-2-1 | new rating: 1588 | |||
| Regional Championships Singapore 2022 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 48 | Fong, Allan (1500) | Won 2-0 | +181518 |
| 2pioneer | 24 | Widjaja, Charles (1487) | Lost 0-2 | -191499 |
| 3pioneer | 37 | Lam, Daston (1545) | Won 2-1 | +191518 |
| 4pioneer | 12 | Monzon, Dan (1526) | Lost 0-2 | -181500 |
| 5pioneer | 28 | Wong, Eugene (1770) | Lost 0-2 | -131487 |
| 6pioneer | 49 | Fisher, Liam (1538) | Won 2-0 | +191506 |
| 7pioneer | 43 | Lorica, Paolo (1468) | Lost 0-2 | -191487 |
| average opponent: 1548record: 3-4 | new rating: 1487 | |||