Shiba, Norihito
Current rating: 1431
Record: 14-19-1
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 255 | Satou, Yoshikazu (1500) | Won 2-1 | +201419 |
| 2standard | 230 | Sakaguchi, Naoki (1500) | Lost 0-2 | -171402 |
| 3standard | 338 | Hada, Kai (1501) | Won 2-0 | +201422 |
| 4standard | 198 | Toda, Hirotsugu (1536) | Won 2-1 | +201442 |
| 5standard | 191 | Tanaka, Jun'ichi (1505) | Won 2-0 | +191461 |
| 6standard | 88 | Yamashita, Kouhei (1535) | Won 2-0 | +201481 |
| 7standard | 57 | Hamamoto, Kenji (1646) | Lost 1-2 | -151466 |
| 8standard | 60 | Ishihara, Ken (1552) | Lost 0-2 | -171449 |
| 9standard | 115 | Tanaka, Ryota (1463) | Lost 1-2 | -181431 |
| top | average opponent: 1526record: 5-4 | new rating: 1431 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 111 | Harada, Toshiyuki (1486) | Lost 0-2 | -171431 |
| 2extended | 141 | Ouchi, Ryousuke (1481) | Lost 0-2 | -171414 |
| 3extended | 178 | Suzuki, Keiji (1445) | Won 2-1 | +181432 |
| 4extended | 143 | Kawai, Katsuya (1497) | Lost 1-2 | -161416 |
| 5extended | 166 | Chuujou, Yoshihiko (1460) | Lost 0-2 | -181398 |
| 6extended | 153 | Mukumoto, Akihiro (1446) | Draw 1-1 | +11399 |
| 7extended | 125 | Sato, Yuuki (1424) | Won 2-0 | +191418 |
| 8extended | 100 | Sumino, Hironori (1370) | Lost 0-2 | -191399 |
| top | average opponent: 1451record: 2-5-1 | new rating: 1399 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 5 | Katayama, Koujun (1500) | Won 2-1 | +191500 |
| 2extended | 16 | Edayoshi, Minoru (1472) | Won 2-1 | +171517 |
| 3extended | 58 | Ito, Akitsugu (1670) | Lost 0-2 | -151502 |
| 4extended | 101 | Lee, Sung-Bum (1454) | Lost 1-2 | -191483 |
| 5extended | 134 | Hirata, Masaharu (1533) | Lost 1-2 | -171466 |
| 6extended | 139 | Suzuki, Fumio (1476) | Lost 1-2 | -181448 |
| top | average opponent: 1517record: 2-4 | new rating: 1448 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 11 | Mitsui, Tokiko (1500) | Lost 0-2 | -181481 |
| 2sealed | 306 | Takahara, Hitoki (1482) | Won 2-0 | +181499 |
| 3sealed | 228 | Miura, Kazuya (1500) | Lost 1-2 | -181481 |
| top | average opponent: 1494record: 1-2 | new rating: 1481 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 107 | Sugimoto, Takashi (1500) | Lost 1-2 | -181482 |
| 2extended | 211 | Ohara, Kenji (1482) | Won 2-1 | +181500 |
| 3extended | 260 | Moriwaki, Masayoshi (1500) | Won 2-1 | +181518 |
| 4extended | 145 | Fujii, Hajime (1519) | Lost 1-2 | -181500 |
| 5extended | 234 | Chishiro, Atsushi (1500) | Won 2-0 | +181518 |
| 6extended | 177 | Takigawa, Tetsuo (1517) | Lost 0-2 | -181500 |
| 7extended | 160 | Ogiyama, Shuuji (1483) | Lost 0-2 | -181482 |
| 8extended | 164 | Hosoya, Kiyohiro (1466) | Won 2-0 | +171499 |
| top | average opponent: 1496record: 4-4 | new rating: 1499 | ||