Nishioka, Kazuya
Current rating: 1443
Record: 13-17-1
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Nakazuka, Yuuki (1468) | Won 2-0 | +191454 |
| 2sealed | 38 | Yasuno, Junji (1518) | Lost 0-2 | -171437 |
| 3sealed | 108 | Toyama, Kazuaki (1460) | Lost 0-2 | -181419 |
| 4sealed | 150 | Furujou, Takashi (1471) | Won 2-0 | +191438 |
| 5sealed | 133 | Ninomiya, Yukio (1467) | Won 2-1 | +191457 |
| 6sealed | 70 | Takeda, Hiroki (1708) | Lost 0-2 | -141443 |
| top | average opponent: 1515record: 3-3 | new rating: 1443 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 143 | Kawabata, Kiyoto (1500) | Won 2-1 | +191485 |
| 2block | 6 | Niwa, Kohei (1589) | Lost 1-2 | -161469 |
| 3block | 281 | Okada, Seiji (1465) | Won 2-1 | +181487 |
| 4block | 142 | Iwata, Mitsuhiro (1519) | Lost 0-2 | -181469 |
| 5block | 241 | Naito, Takayoshi (1560) | Lost 0-2 | -161453 |
| 6block | 299 | Suzuki, Yasutomo (1462) | Lost 1-2 | -181435 |
| top | average opponent: 1516record: 2-4 | new rating: 1435 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 57 | Kan, Shintarou (1517) | Lost 1-2 | -181504 |
| 3extended | 145 | Fujiwara, Satoshi (1451) | Draw 1-1 | -11503 |
| 4extended | 128 | Ohige, Tatsuya (1451) | Lost 0-2 | -191484 |
| 5extended | 154 | Endo, Kenji (1466) | Won 2-1 | +181502 |
| 6extended | 124 | Saitou, Hiroaki (1517) | Lost 0-2 | -181484 |
| 7extended | 116 | Komaki, Naoki (1483) | Lost 0-2 | -181466 |
| top | average opponent: 1481record: 1-4-1 | new rating: 1466 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 35 | Masuyama, Takuya (1499) | Won 1-0 | +191502 |
| 3block | 45 | Kawashima, Nobutaka (1518) | Lost 1-2 | -181484 |
| 4block | 261 | Suzuki, Akinori (1517) | Won 2-0 | +191503 |
| 5block | 175 | Kurobane, Kyuuya (1535) | Lost 0-2 | -181485 |
| 6block | 237 | Ito, Hidetoshi (1469) | Won 2-1 | +181503 |
| 7block | 154 | Oie, Ryuya (1533) | Won 2-0 | +191522 |
| 8block | 128 | Yamaguchi, Shoji (1554) | Won 2-1 | +181540 |
| 9block | 64 | Isomoto, Hirofumi (1553) | Lost 1-2 | -181522 |
| top | average opponent: 1522record: 5-3 | new rating: 1522 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 174 | Watanabe, Shinji (Hiroshima) (1500) | Won 2-0 | +181518 |
| 2sealed | 36 | Yoshii, Tatsuo (1572) | Lost 0-2 | -171501 |
| 3sealed | 158 | Sasaki, Ken (1499) | Lost 0-2 | -181483 |
| 4sealed | 175 | Taima, Tomokazu (1482) | Won 2-0 | +181501 |
| 5sealed | 102 | Takeiri, Go (1531) | Lost 1-2 | -181483 |
| top | average opponent: 1517record: 2-3 | new rating: 1483 | ||