Widia, Peter
Current rating: 1431
Record: 3-8
| Regional Championships Singapore 2023 Cycle 4 (pioneer) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 37 | Gutierrez, Ian Mark (1712) | Lost 0-2 | -141440 |
| 2pioneer | 68 | Ng Wei Qin, Andrew (1602) | Won 2-0 | +211461 |
| 3pioneer | 51 | Lee, Jian Wei (1432) | Won 2-0 | +181479 |
| 4pioneer | 17 | Kuek, Alex (1533) | Lost 1-2 | -171462 |
| 5pioneer | 35 | Chu, Myles Edward (1499) | Won 2-0 | +181480 |
| 6pioneer | 33 | Yeh, Chao Lung (1581) | Lost 0-2 | -161464 |
| 7pioneer | 39 | Vergara, Jeremiah Jaime (1571) | Lost 1-2 | -161448 |
| 8pioneer | 42 | Susilo, Yoshihiro (1491) | Lost 0-2 | -171431 |
| average opponent: 1553record: 3-5 | new rating: 1431 | |||
| Regional Championships Singapore 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 25 | Kurniawan, Samuel Henry (1500) | Lost 0-2 | -181482 |
| 2pioneer | 61 | Wa'ie, Asyraf (1482) | Lost 1-2 | -181464 |
| 3pioneer | 66 | Heng, Chye Hwee (1908) | Lost 0-2 | -101454 |
| average opponent: 1630record: 0-3 | new rating: 1454 | |||