Tsuchishiro, Naoko
Current rating: 1524
Record: 4-3
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 367 | Ozawa, Tetsuya (1541) | Won 2-1 | +191519 |
| 2extended | 184 | Takebayashi, Tomo (1642) | Lost 0-2 | -161503 |
| 3extended | 340 | Sato, Shinichi (1578) | Won 2-1 | +191522 |
| 4extended | 156 | Tomizawa, Yuusuke (1483) | Lost 1-2 | -181504 |
| 5extended | 246 | Kawai, Yusuke (1541) | Won 2-0 | +181522 |
| 6extended | 190 | Hishida, Akinori (1505) | Lost 0-2 | -181504 |
| 7extended | 235 | Cai, Chenguang (1612) | Won 2-0 | +201524 |
| average opponent: 1557record: 4-3 | new rating: 1524 | |||