Nakamuta, Tsukasa
Current rating: 1501
Record: 7-7-1
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 43 | Hashima, Takumi (1500) | Lost 1-2 | -181483 |
| 2extended | 140 | Toriumi, Takashi (1388) | Lost 0-2 | -201463 |
| 3extended | 164 | Omori, Ken'ichirou (1465) | Won 2-0 | +181481 |
| 4extended | 143 | Izumi, Shinji (1532) | Won 2-0 | +191500 |
| 5extended | 120 | Ishii, Keisuke (1567) | Lost 0-2 | -171483 |
| 6extended | 137 | Ikezaki, Yutaro (1483) | Lost 1-2 | -181465 |
| 7extended | 124 | Liu, Marco Kwang-Ju (1499) | Won 1-0 | +191484 |
| 8extended | 96 | Kawaguchi, Yukito (1433) | Won 2-1 | +171501 |
| average opponent: 1483record: 4-4 | new rating: 1501 | |||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Tanaka, Yoshinori (1497) | Won 2-0 | +181518 |
| 2sealed | 2 | Takeiri, Go (1460) | Draw 1-1 | -11517 |
| 3sealed | 79 | Kagawa, Hiroyuki (1607) | Won 2-1 | +201537 |
| 4sealed | 60 | Kinoshita, Eiji (1535) | Won 2-1 | +181555 |
| 5sealed | 26 | Okada, Kou (1575) | Lost 0-2 | -181537 |
| 6sealed | 66 | Shirakura, Tsuyoshi (1543) | Lost 1-2 | -181519 |
| 7sealed | 94 | Sato, Kei (1520) | Lost 0-2 | -181501 |
| average opponent: 1534record: 3-3-1 | new rating: 1501 | |||