Hasegawa, Yuuichi
Current rating: 1397
Record: 1-7
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 131 | Kukita, Takenao (1414) | Lost 1-2 | -191410 |
| 2standard | 314 | Ura, Tsuyoshi (1559) | Won 2-1 | +211431 |
| 3standard | 300 | Harada, Toshiyuki (1468) | Lost 1-2 | -171414 |
| 4standard | 379 | Shigeno, Mitsuhiro (1481) | Lost 1-2 | -171397 |
| average opponent: 1481record: 1-3 | new rating: 1397 | |||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 153 | Komada, Norihiko (1500) | Lost 0-2 | -181482 |
| 2sealed | 156 | Kanazawa, Isao (1482) | Lost 1-2 | -181464 |
| 3sealed | 213 | Takeda, Satoru (1463) | Lost 1-2 | -181446 |
| 4sealed | 237 | Sato, Makoto (1486) | Lost 0-2 | -171429 |
| average opponent: 1483record: 0-4 | new rating: 1429 | |||