Kogawa, Osamu
Current rating: 1410
Record: 0-5
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 221 | Yanagawa, Tomoyuki (1499) | Lost 1-2 | -181482 |
| 2sealed | 212 | Sasaki, Masato (1482) | Lost 0-2 | -181464 |
| 3sealed | 286 | Shinozaki, Shota (1465) | Lost 0-2 | -181446 |
| 4sealed | 279 | Kobayashi, Masafumi (1450) | Lost 1-2 | -181428 |
| 5sealed | 252 | Tsukada, Takehiro (1428) | Lost 0-2 | -181410 |
| average opponent: 1465record: 0-5 | new rating: 1410 | |||