Shibata, Keigo
Current rating: 1480
Record: 14-15-3
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 298 | Tanimoto, Masashi (1500) | Draw 0-0 | +11459 |
| 2sealed | 169 | Yamamoto, Arihiro (1387) | Won 2-0 | +171476 |
| 3sealed | 98 | Sakai, Kouhei (1561) | Won 2-1 | +191495 |
| 4sealed | 80 | Kimura, Yoshihiro (1527) | Won 2-1 | +191514 |
| 5sealed | 41 | Sekine, Kiyotaka (1470) | Lost 0-2 | -191495 |
| 6sealed | 94 | Yamada, Ryuichiro (1631) | Lost 1-2 | -151480 |
| top | average opponent: 1512record: 3-2-1 | new rating: 1480 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 263 | Sasaki, Yuuki (1500) | Won 2-0 | +181491 |
| 2standard | 70 | Ushio, Atsushi (1565) | Lost 1-2 | -161475 |
| 3standard | 138 | Oota, Yuusuke (1477) | Lost 0-2 | -181457 |
| 4standard | 316 | Kakehi, Takuma (1486) | Won 2-1 | +181475 |
| 5standard | 222 | Suzuki, Yasutomo (1535) | Lost 1-2 | -171458 |
| top | average opponent: 1513record: 2-3 | new rating: 1458 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 31 | Takayanagi, Tooru (1480) | Lost 0-2 | -191493 |
| 2extended | 143 | Sato, Hideyuki (1447) | Lost 1-2 | -181475 |
| 3extended | 168 | Mukumoto, Akihiro (1463) | Won 2-0 | +171492 |
| 4extended | 138 | Mihara, Takumi (1408) | Lost 1-2 | -191473 |
| top | average opponent: 1450record: 1-3 | new rating: 1473 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 20 | Komatsu, Takashi (1500) | Draw 1-1 | -11532 |
| 2sealed | 190 | Suzuki, Kenji (1500) | Won 2-0 | +181550 |
| 3sealed | 122 | Sakamoto, Yuki (1536) | Lost 1-2 | -181532 |
| 4sealed | 210 | Shiino, Youichi (1448) | Lost 0-2 | -201512 |
| top | average opponent: 1496record: 1-2-1 | new rating: 1512 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 8 | Kataoka, Daisuke (1500) | Won 2-0 | +181534 |
| 2block | 288 | Hishinuma, Kazuya (1518) | Lost 0-2 | -191515 |
| 3block | 417 | Nakatani, Takashi (1500) | Won 2-0 | +181533 |
| 4block | 375 | Matsuyama, Tomofumi (1513) | Won 2-0 | +181551 |
| 5block | 99 | Harada, Hiroshi (1558) | Lost 0-2 | -181533 |
| 6block | 308 | Shimizu, Shuji (1518) | Won 2-1 | +181551 |
| 7block | 200 | Yokoe, Tetsuo (1571) | Lost 1-2 | -181533 |
| top | average opponent: 1525record: 4-3 | new rating: 1533 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 49 | Suematsu, Masataka (1500) | Won 2-0 | +181518 |
| 2extended | 81 | Teruya, Hirokazu (1500) | Lost 0-2 | -181500 |
| 3extended | 231 | Makino, Hironori (1500) | Won 2-0 | +181518 |
| 4extended | 150 | Nakamura, Masato (1507) | Draw 1-1 | -11517 |
| 5extended | 149 | Taniguchi, Takaya (1518) | Won 2-1 | +181535 |
| 6extended | 91 | Nakajima, Chikara (1456) | Lost 0-2 | -191516 |
| top | average opponent: 1497record: 3-2-1 | new rating: 1516 | ||