Hasegawa, Tatsuya
Current rating: 1517
Record: 5-4
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 277 | Baba, Nobuyuki (1500) | Won 2-0 | +181518 |
| 2block | 185 | Endou, Nozomu (1500) | Won 2-0 | +181536 |
| 3block | 195 | Kaneko, Kentaro (1536) | Won 2-1 | +181554 |
| 4block | 50 | Yoshida, Akira (1554) | Won 2-0 | +181572 |
| 5block | 9 | Saito, Tsutomu (1538) | Won 2-1 | +171589 |
| 6block | 8 | Cho, Shinichiro (1589) | Lost 0-2 | -181571 |
| 7block | 76 | Kawashima, Yoshiyuki (1572) | Lost 1-2 | -181553 |
| 8block | 159 | Tsuchiya, Heinrich (1508) | Lost 1-2 | -191534 |
| 9block | 168 | Takahira, Nobumasa (1573) | Lost 0-2 | -171517 |
| average opponent: 1541record: 5-4 | new rating: 1517 | |||