Gunji, Toshiyuki
Current rating: 1463
Record: 3-5
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 18 | Kotajima, Yasuhiro (1517) | Lost 0-2 | -181482 |
| 2block | 311 | Abe, Naoki (1430) | Lost 1-2 | -191463 |
| 3block | 370 | Oota, Tatsuro (1464) | Won 2-0 | +181481 |
| 4block | 313 | Ishida, Makoto (1500) | Won 2-0 | +191500 |
| 5block | 183 | Sakurada, Kouichi (1632) | Lost 0-2 | -161484 |
| 6block | 288 | Toyama, Junichiro (1431) | Lost 1-2 | -191465 |
| 7block | 274 | Tomita, Hikaru (1382) | Won 2-0 | +171482 |
| 8block | 229 | Shima, Junichirou (1466) | Lost 1-2 | -191463 |
| average opponent: 1478record: 3-5 | new rating: 1463 | |||