Okamoto, Nanato
Current rating: 1412
Record: 0-5
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 132 | Hirabayashi, Ryuta (1498) | Lost 0-2 | -181482 |
| 2block | 320 | Mitsuhashi, Takashi (1631) | Lost 0-2 | -151467 |
| 3block | 362 | Yamanaka, Akinori (1466) | Lost 1-2 | -181449 |
| 4block | 381 | Ikeda, Akio (1443) | Lost 0-2 | -181431 |
| 5block | 365 | Oota, Tatsuro (1427) | Lost 0-2 | -191412 |
| average opponent: 1493record: 0-5 | new rating: 1412 | |||