Ishii, Tomokazu
Current rating: 1485
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 226 | Tawa, Atsushi (1518) | Won 2-1 | +191519 |
| 2standard | 51 | Tajiri, Satoshi (1517) | Won 2-1 | +181537 |
| 3standard | 72 | Kaneko, Yoshiyuki (1454) | Lost 1-2 | -201517 |
| 4standard | 268 | Takagi, Takeshi (1617) | Won 2-1 | +201537 |
| 5standard | 110 | Arakane, Keisuke (1582) | Lost 1-2 | -171520 |
| 6standard | 263 | Fukasawa, Taichi (1533) | Lost 1-2 | -181502 |
| 7standard | 226 | Kabeshita, Yoshito (1502) | Lost 1-2 | -181484 |
| 8standard | 225 | Ura, Tsuyoshi (1548) | Won 2-0 | +191503 |
| 9standard | 161 | Itou, Satoshi (1501) | Lost 1-2 | -181485 |
| top | average opponent: 1530record: 4-5 | new rating: 1485 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 135 | Yamaguchi, Yasutaka (1500) | Lost 1-2 | -181484 |
| 2block | 297 | Kudo, Hiroshi (1482) | Won 2-1 | +181502 |
| 3block | 261 | Ichinose, Takashi (1499) | Lost 1-2 | -181484 |
| 4block | 284 | Noguchi, Tomokazu (1421) | Lost 0-2 | -191465 |
| 5block | 316 | Tomiyama, Takaaki (1464) | Won 2-1 | +181483 |
| 6block | 258 | Shiota, Fumihiko (1483) | Won 2-1 | +181501 |
| 7block | 229 | Uchida, Kensuke (1472) | Won 2-0 | +171518 |
| 8block | 165 | Noguchi, Keita (1538) | Lost 1-2 | -181500 |
| top | average opponent: 1482record: 4-4 | new rating: 1500 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 130 | Iguchi, Taisuke (1486) | Won 2-0 | +181518 |
| 2sealed | 38 | Kikuchi, Yuuji (1530) | Won 2-0 | +181536 |
| 3sealed | 33 | Fujishiro, Takashi (1655) | Lost 0-2 | -161520 |
| 4sealed | 90 | Yamashita, Ryusuke (1501) | Lost 0-2 | -181502 |
| top | average opponent: 1543record: 2-2 | new rating: 1502 | ||