Ishikawa, Koji
Current rating: 1500
Record: 4-4
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 21 | Uonami, Takahiro (1500) | Won 2-0 | +181518 |
| 2block | 51 | Yamazaki, Shun (1517) | Lost 0-2 | -181500 |
| 3block | 152 | Kuroda, Ryuichi (1500) | Lost 0-2 | -181482 |
| 4block | 172 | Nakagawa, Takahiro (1482) | Won 2-0 | +181500 |
| 5block | 113 | Ogami, Kenji (1610) | Lost 0-2 | -161484 |
| 6block | 141 | Kobayashi, Masaya (1482) | Won 2-1 | +181502 |
| 7block | 101 | Koen, Yusuke (1417) | Won 2-0 | +161518 |
| 8block | 64 | Ueno, Kazuki (1520) | Lost 0-2 | -181500 |
| average opponent: 1504record: 4-4 | new rating: 1500 | |||