Akase, Kouhei
Current rating: 1518
Record: 12-11-1
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 90 | Harada, Takashi (1518) | Won 2-1 | +171554 |
| 3sealed | 3 | Yamakawa, Shinichiro (1550) | Lost 1-2 | -181536 |
| 4sealed | 98 | Nagamine, Kazuki (1514) | Lost 1-2 | -181518 |
| top | average opponent: 1527record: 1-2 | new rating: 1518 | ||
| Grand Prix Hong Kong 2001 (ODY limited) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 11 | Kam, Edison (1518) | Draw 1-1 | -11538 |
| 3sealed | 31 | Jim, Thomas (1518) | Lost 0-2 | -181520 |
| 4sealed | 67 | Tachibana, Shinichiro (1499) | Lost 1-2 | -181502 |
| 5sealed | 76 | Lam, King Shing (1482) | Won 2-0 | +171519 |
| 6sealed | 62 | Iu, Kok Hung (1500) | Won 2-0 | +181537 |
| top | average opponent: 1503record: 2-2-1 | new rating: 1537 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 28 | Niwa, Toshiharu (1522) | Lost 0-2 | -191540 |
| 3sealed | 154 | Murase, Motonori (1500) | Lost 0-2 | -191521 |
| 4sealed | 151 | Kaneko, Takanori (1482) | Won 2-0 | +181539 |
| top | average opponent: 1501record: 1-2 | new rating: 1539 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 96 | Okita, Yuji (1518) | Won 2-0 | +181518 |
| 3extended | 28 | Akamatsu, Yoshiki (1571) | Won 2-1 | +191537 |
| 4extended | 52 | Sasanuma, Kiyoshi (1582) | Lost 1-2 | -171520 |
| 5extended | 89 | Kageyama, Tarou (1679) | Won 2-0 | +211541 |
| 6extended | 51 | Yamagishi, Hajime (1554) | Won 2-0 | +181559 |
| 7extended | 37 | Sugimoto, Takashi (1573) | Won 2-0 | +181577 |
| 8extended | 26 | Higono, Naoki (1546) | Won 2-0 | +181595 |
| 9extended | 8 | Kageyama, Kiyotomo (1559) | Won 2-0 | +171612 |
| 10extended | 7 | Yamakawa, Youichirou (1547) | Lost 0-2 | -191593 |
| 11extended | 14 | Nobushita, Jun (1761) | Lost 0-2 | -151578 |
| 12extended | 21 | Nakamura, Hirobumi (1559) | Won 2-1 | +181596 |
| 13extended | 12 | Takayama, Reona (1594) | Lost 1-2 | -181578 |
| 14extended | 19 | Kubouchi, Naoki (1527) | Lost 0-2 | -191559 |
| top | average opponent: 1582record: 8-5 | new rating: 1559 | ||