Yamaguchi, Masashi
Current rating: 1463
Record: 3-5
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 69 | Yasufuku, Akihiro (1487) | Lost 1-2 | -181482 |
| 2block | 155 | Kaneko, Satoshi (1429) | Lost 1-2 | -191463 |
| 3block | 200 | Kawamura, Takaki (1464) | Won 2-0 | +181481 |
| 4block | 184 | Sumii, Hiroyuki (1500) | Lost 1-2 | -181463 |
| 5block | 188 | Takahashi, Manabu (1464) | Lost 0-2 | -181445 |
| 6block | 173 | Sumi, Masahito (1445) | Lost 1-2 | -181427 |
| 7block | 145 | Anraku, Tatsuro (1425) | Won 2-0 | +181445 |
| 8block | 47 | Tanaka, Ryota (1446) | Won 2-1 | +181463 |
| average opponent: 1458record: 3-5 | new rating: 1463 | |||