Kato, Koichiro
Current rating: 1518
Record: 4-3
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 142 | Tabata, Fumiatsu (1500) | Lost 0-2 | -181482 |
| 2block | 136 | Hamaya, Takashi (1482) | Won 2-0 | +181500 |
| 3block | 165 | Sato, Hisaumi (1498) | Won 2-1 | +181518 |
| 4block | 123 | Takamori, Atsushi (1517) | Won 2-1 | +181536 |
| 5block | 71 | Nakano, Fumiki (1537) | Won 2-1 | +181554 |
| 6block | 55 | Katou, Makoto (1572) | Lost 1-2 | -181536 |
| 7block | 83 | Kanetaka, Yujiro (1536) | Lost 0-2 | -181518 |
| average opponent: 1520record: 4-3 | new rating: 1518 | |||