Sasaki, Yuuki (Tokyo)
Current rating: 1566
Record: 6-3
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | Takimoto, Naoya (1485) | Won 2-0 | +181518 |
| 2sealed | 72 | Okabe, Gaku (1567) | Won 2-1 | +191537 |
| 3sealed | 37 | Satou, Dai (1625) | Lost 0-2 | -171520 |
| 4sealed | 194 | Hosaka, Wataru (1429) | Won 2-1 | +171537 |
| 5sealed | 127 | Tsuboyama, Shuta (1494) | Won 2-0 | +171554 |
| 6sealed | 89 | Mitamura, Kazuya (2059) | Won 2-0 | +261580 |
| 7sealed | 50 | Matsumura, Takehiko (1494) | Won 2-1 | +171597 |
| 8sealed | 15 | Ikeda, Tsuyoshi (1826) | Lost 1-2 | -141583 |
| 9sealed | 32 | Nuruki, Hiroaki (1623) | Lost 0-2 | -171566 |
| average opponent: 1623record: 6-3 | new rating: 1566 | |||