Ariestasia, Stefano
Current rating: 1464
Record: 2-4
| Grand Prix Singapore 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 79 | Ong, Quan Yi (1500) | Lost 0-2 | -181482 |
| 2extended | 135 | Ting, Shi Jie Cyril (1482) | Won 2-1 | +181500 |
| 3extended | 85 | Neo, Shun Jie (1500) | Lost 1-2 | -181482 |
| 4extended | 139 | Koh, Zhi Sin (1466) | Won 2-0 | +181500 |
| 5extended | 119 | Ooi, Kenn-Jee (1500) | Lost 0-2 | -181482 |
| 6extended | 130 | Tan, Chia Yam (1485) | Lost 0-2 | -181464 |
| average opponent: 1489record: 2-4 | new rating: 1464 | |||