Tsumura, Akihide
Current rating: 1531
Record: 4-3
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Matsuno, Shoutarou (1500) | Won 2-1 | +181518 |
| 2sealed | 94 | Sutou, Takuo (1691) | Lost 0-2 | -151503 |
| 3sealed | 87 | saitou, yutaka (1500) | Won 2-0 | +181521 |
| 4sealed | 120 | Kaplan, Lain (1630) | Lost 0-2 | -161505 |
| 5sealed | 118 | Fukui, Shouichi (1499) | Won 2-0 | +181523 |
| 6sealed | 109 | Hassaku, Jinpei (1785) | Won 2-0 | +231546 |
| 7sealed | 71 | Oks, Oliver (1709) | Lost 0-2 | -151531 |
| average opponent: 1616record: 4-3 | new rating: 1531 | |||