Matumura, Yasuhiro
Current rating: 1504
Record: 3-3
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 40 | Nakamura, Yuya (Hino) (1518) | Won 2-0 | +181518 |
| 3modern | 173 | Yamauchi, Takashi (1582) | Lost 0-2 | -171501 |
| 4modern | 444 | Imai, Kenta (1515) | Lost 0-2 | -171484 |
| 5modern | 423 | Kanayama, Haruki (1508) | Won 2-0 | +181502 |
| 6modern | 251 | Sasabe, Yusuke (1505) | Won 2-1 | +181520 |
| 7modern | 215 | Katagiri, Shinichi (1629) | Lost 1-2 | -161504 |
| average opponent: 1543record: 3-3 | new rating: 1504 | |||