Hartanto, Wiyono
Current rating: 1534
Record: 4-2-1
| Grand Prix Singapore 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 32 | Sim, Qi Zhi Cedric (1500) | Won 2-0 | +181518 |
| 2block | 46 | Sianghio, Michael (1518) | Lost 1-2 | -181500 |
| 3block | 79 | Sng, Eugene Yee Gin (1447) | Lost 0-2 | -191481 |
| 4block | 117 | Wong, Ming Fook (1480) | Won 2-0 | +181499 |
| 5block | 79 | Chong, Wai Mun (1500) | Won 2-0 | +181517 |
| 6block | 73 | Lee, Keng Yin (1435) | Won 2-1 | +171534 |
| 7block | 54 | Tan, Kiat Cheong (1566) | Draw 1-1 | 01534 |
| average opponent: 1492record: 4-2-1 | new rating: 1534 | |||