Matsuya, Kouji
Current rating: 1461
Record: 3-5
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 161 | Inoue, Toshiya (1500) | Lost 0-2 | -181482 |
| 2block | 341 | Kuramochi, Takashi (1393) | Won 2-0 | +161498 |
| 3block | 249 | Ichikawa, Hitoshi (1500) | Won 2-0 | +181516 |
| 4block | 236 | Nakamura, Hajime (1500) | Lost 1-2 | -181498 |
| 5block | 226 | Noguchi, Tomokazu (1440) | Won 2-0 | +171515 |
| 6block | 190 | Tanaka, Jun'ichi (1447) | Lost 1-2 | -191496 |
| 7block | 238 | Chijimi, Keiichi (1579) | Lost 1-2 | -171479 |
| 8block | 239 | Shimamura, Masatoshi (1466) | Lost 1-2 | -181461 |
| average opponent: 1478record: 3-5 | new rating: 1461 | |||