Koganemaru, Akinori
Current rating: 1499
Record: 4-4
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 94 | Shibata, Yuuki (1544) | Lost 1-2 | -171483 |
| 2sealed | 160 | Se, Atsuo (1428) | Won 2-1 | +171500 |
| 3sealed | 112 | Tanaka, Yu (1501) | Won 2-1 | +181518 |
| 4sealed | 71 | Oomori, Kazuki (1626) | Lost 0-2 | -161502 |
| 5sealed | 170 | Ohnishi, Jyunpei (1408) | Lost 1-2 | -201482 |
| 6sealed | 150 | Oohira, Kenta (1458) | Lost 1-2 | -181464 |
| 7sealed | 142 | Imai, Hideaki (1469) | Won 2-1 | +181482 |
| 8sealed | 112 | Taneichi, Hidenori (1442) | Won 2-0 | +171499 |
| average opponent: 1485record: 4-4 | new rating: 1499 | |||