Ohkawa, Shinpei
Current rating: 1467
| Grand Prix Chiba 2016 (legacy) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 205 | Kamo, Riki (1675) | Lost 1-2 | -151489 |
| 4legacy | 568 | Matsushima, Naoki (1255) | Lost 1-2 | -221467 |
| 5legacy | 764 | Nakamura, Takafumi (1542) | Won 2-0 | +191486 |
| 6legacy | 377 | Kubota, Hirofumi (1405) | Won 2-1 | +171503 |
| 7legacy | 387 | Namikoshi, Tomoya (1504) | Lost 1-2 | -181485 |
| 8legacy | 480 | Hasegawa, Shinya (1514) | Lost 0-2 | -181467 |
| top | average opponent: 1482record: 2-4 | new rating: 1467 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 65 | Uchida, Yuki (1578) | Won 2-0 | +191539 |
| 3standard | 203 | Yoshidomi, Shuuji (1487) | Won 2-0 | +171556 |
| 4standard | 141 | Wada, Yuki (1713) | Lost 1-2 | -151541 |
| 5standard | 232 | Kojima, Yoshifumi (1503) | Lost 0-2 | -191522 |
| 6standard | 279 | Tsukuya, Toshiharu (1517) | Lost 1-2 | -181504 |
| top | average opponent: 1560record: 2-3 | new rating: 1504 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 191 | Ito, Shinichi (1500) | Lost 0-2 | -181482 |
| 2standard | 346 | Hirata, Shinya (1603) | Draw 1-1 | +21484 |
| 3standard | 309 | Nakaya, Shinya (1450) | Won 2-1 | +181502 |
| 4standard | 253 | Nakamura, Masaya (1530) | Lost 0-2 | -181484 |
| 5standard | 309 | Itagaki, Masayoshi (1599) | Won 2-1 | +201504 |
| 6standard | 240 | Tatsuhara, Satoshi (1501) | Won 2-0 | +181522 |
| 7standard | 171 | Inoue, Junji (1513) | Won 2-1 | +181540 |
| 8standard | 117 | Maruyama, Kentarou (1407) | Lost 0-2 | -201520 |
| top | average opponent: 1513record: 4-3-1 | new rating: 1520 | ||