Sakai, Yoshikuni
Current rating: 1460
Record: 1-3
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Itou, Akira (1443) | Won 2-0 | +171517 |
| 2sealed | 150 | Yanagida, Yuya (1454) | Lost 1-2 | -191498 |
| 3sealed | 195 | Fukui, Keisuke (1475) | Lost 1-2 | -191479 |
| 4sealed | 232 | Deuitch, Lorne (1427) | Lost 0-2 | -191460 |
| average opponent: 1450record: 1-3 | new rating: 1460 | |||