Hasegawa, Sho
Current rating: 1547
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Yamashita, Kohji (1413) | Lost 0-0 | -201492 |
| 2sealed | 264 | Okazaki, Hideki (1466) | Won 2-0 | +171509 |
| 3sealed | 225 | Kawabata, Hiromasa (1501) | Won 2-0 | +181527 |
| 4sealed | 186 | Hayashi, Takatomo (1621) | Won 2-0 | +201547 |
| 5sealed | 81 | Kawate, Junpei (1624) | Won 2-1 | +191566 |
| 6sealed | 158 | Yao, Shunsuke (1518) | Lost 1-2 | -191547 |
| 7sealed | 43 | Akita, Naoto (1493) | Won 2-0 | +171564 |
| 8sealed | 68 | Shirakura, Tsuyoshi (1597) | Lost 0-2 | -171547 |
| top | average opponent: 1529record: 5-3 | new rating: 1547 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 15 | Juumonji, Tarou (1485) | Won 2-1 | +181482 |
| 2sealed | 36 | Fujimoto, Taichi (1602) | Lost 0-2 | -161466 |
| 3sealed | 120 | Fukushima, Hirotomo (1552) | Won 2-1 | +201486 |
| 4sealed | 113 | Yamaguchi, Satoshi (1596) | Won 2-1 | +201506 |
| 5sealed | 60 | Nakamura, Fumihiko (1502) | Draw 1-1 | 01506 |
| 6sealed | 63 | Itou, Takanori (1423) | Won 2-0 | +161522 |
| 7sealed | 75 | Canali, Pierre (1954) | Lost 0-2 | -101512 |
| top | average opponent: 1588record: 4-2-1 | new rating: 1512 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 177 | Tanaka, Kazunori (1481) | Won 2-1 | +181518 |
| 2standard | 86 | Ebitani, Keisuke (1528) | Lost 0-1 | -181500 |
| 3standard | 357 | Mizuno, Shinsuke (1500) | Lost 1-2 | -181482 |
| 4standard | 319 | Matsui, Tatsuyoshi (1470) | Lost 1-2 | -181464 |
| top | average opponent: 1495record: 1-3 | new rating: 1464 | ||