Yokoyama, Kazuki
Current rating: 1448
Record: 0-3
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 216 | Hidaka, Ayumi (1548) | Lost 1-2 | -171483 |
| 2extended | 316 | Watanabe, Katsuyoshi (1482) | Lost 0-2 | -181465 |
| 3extended | 468 | Noguchi, Keita (1525) | Lost 0-2 | -171448 |
| average opponent: 1518record: 0-3 | new rating: 1448 | |||