Imaizumi, Hirofumi
Current rating: 1497
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 233 | Wu, Kasin (1484) | Lost 0-2 | -191477 |
| 2block | 345 | Arai, Riki (1482) | Won 2-0 | +181495 |
| 3block | 170 | Murakami, Yuki (Osaka) (1510) | Won 2-1 | +191514 |
| 4block | 104 | Bandou, Junichirou (1551) | Lost 0-2 | -181496 |
| 5block | 210 | Ichikawa, Tatsuya (1501) | Lost 1-2 | -181478 |
| 6block | 285 | Kishi, Hideyuki (1481) | Won 2-1 | +181496 |
| 7block | 241 | Matsushita, Kenichi (1500) | Lost 0-2 | -171479 |
| 8block | 221 | Tamachi, Tomoya (1483) | Won 2-1 | +181497 |
| top | average opponent: 1499record: 4-4 | new rating: 1497 | ||
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 31 | Maeda, Yasuyuki (1489) | Lost 0-2 | -181499 |
| 2block | 142 | Ogasawara, Shou (1410) | Lost 1-2 | -201479 |
| 3block | 211 | Suzuki, Kenichi (1463) | Won 2-0 | +181497 |
| 4block | 183 | Furuichi, Takenori (1541) | Won 2-1 | +191516 |
| 5block | 112 | Katayama, Hidenori (1480) | Lost 1-2 | -191497 |
| 6block | 143 | Takao, Tsubasa (1482) | Won 2-0 | +181515 |
| 7block | 105 | Ito, Ryota (1448) | Lost 0-2 | -191496 |
| top | average opponent: 1473record: 3-4 | new rating: 1496 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 177 | Nishioka, Daisuke (1500) | Won 2-1 | +181518 |
| 2block | 63 | Nakatani, Takashi (1518) | Won 2-0 | +181536 |
| 3block | 177 | Noda, Koji (1528) | Lost 0-2 | -181518 |
| 4block | 234 | Muto, Yuichi (1518) | Won 2-0 | +181536 |
| 5block | 166 | Kuroda, Ryouhei (1535) | Won 2-1 | +181554 |
| 6block | 141 | Kobata, Tetsuro (1537) | Lost 1-2 | -181536 |
| 7block | 240 | Nishibata, Shunsuke (1536) | Lost 0-2 | -181518 |
| 8block | 198 | Yoshioka, Yasuyuki (1534) | Lost 0-2 | -181500 |
| 9block | 208 | Nishijima, Yuichi (1468) | Won 2-0 | +171517 |
| top | average opponent: 1519record: 5-4 | new rating: 1517 | ||