Lesmana, Billy
Current rating: 1527
Record: 4-3
| Regional Championships Singapore 2023 Cycle 4 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 52 | Tang, Nicholas (1647) | Won 2-1 | +211521 |
| 2pioneer | 6 | Teo, Yuen Peir (1798) | Lost 1-2 | -131508 |
| 3pioneer | 34 | Velu, Suresh (1505) | Lost 0-2 | -181490 |
| 4pioneer | 46 | Arunrattananukul, Chakrit (1512) | Won 2-0 | +181508 |
| 5pioneer | 41 | Yew, Yu Win (1492) | Won 2-0 | +181526 |
| 6pioneer | 20 | Susilo, Yoshihiro (1529) | Won 2-0 | +181544 |
| 7pioneer | 16 | Santiago, Rainier (1612) | Lost 0-2 | -171527 |
| average opponent: 1585record: 4-3 | new rating: 1527 | |||