hasimoto, tatuki
Current rating: 1502
Record: 3-3
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 255 | Ueyama, Hideo (1500) | Lost 1-2 | -181482 |
| 2extended | 410 | Yoshino, Eiichi (1523) | Won 2-0 | +191501 |
| 3extended | 305 | Mizuno, Kunihiko (1501) | Lost 1-2 | -181483 |
| 4extended | 356 | Matsumura, Hideyuki (1439) | Won 2-1 | +171500 |
| 5extended | 253 | Sekikawa, Tsubasa (1500) | Won 2-0 | +181518 |
| 6extended | 205 | Takebayashi, Tomo (1643) | Lost 0-2 | -161502 |
| average opponent: 1518record: 3-3 | new rating: 1502 | |||