Ogawa, Masato
Current rating: 1521
Record: 4-3
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 397 | Satou, Naoki (1613) | Won 2-0 | +201520 |
| 2extended | 14 | Katsu, Masahiro (1190) | Won 2-1 | +121532 |
| 3extended | 142 | Urasawa, Taiji (1537) | Lost 0-2 | -181514 |
| 4extended | 293 | Gu, JaChoon (1516) | Won 2-0 | +181532 |
| 5extended | 84 | Tomii, Tsubasa (1789) | Won 2-0 | +231555 |
| 6extended | 45 | Harada, Toshiyuki (1641) | Lost 1-2 | -161539 |
| 7extended | 150 | Iioka, Natsuru (1540) | Lost 0-2 | -181521 |
| average opponent: 1546record: 4-3 | new rating: 1521 | |||