Yakugawa, Ryuusei
Current rating: 1464
Record: 1-3
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 300 | Sawade, Makoto (1515) | Lost 0-2 | -181482 |
| 2extended | 485 | Atsumi, Yoshihiro (1491) | Won 2-1 | +181500 |
| 3extended | 239 | Umemura, Hideaki (1500) | Lost 0-2 | -181482 |
| 4extended | 454 | Kohki, Ogawa (1483) | Lost 0-2 | -181464 |
| average opponent: 1497record: 1-3 | new rating: 1464 | |||