Nitta, Tomoaki
Current rating: 1457
| Grand Prix Okayama 2004 (extended) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 47 | Ouchi, Ryousuke (1500) | Won 2-1 | +181489 |
| 2extended | 100 | Sasagawa, Tomohide (1753) | Won 2-0 | +231512 |
| 3extended | 7 | Kai, Tsubasa (1469) | Lost 0-2 | -191493 |
| 4extended | 90 | Okada, Takuya (1490) | Lost 1-2 | -181475 |
| 5extended | 116 | Mitani, Shinya (1463) | Lost 0-2 | -181457 |
| top | average opponent: 1535record: 2-3 | new rating: 1457 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 35 | Kaneishi, Yoshiyuki (1435) | Won 2-0 | +181483 |
| 2extended | 91 | Yamabe, Hiroya (1516) | Lost 1-2 | -171466 |
| 3extended | 115 | Ito, Mitsuru (1501) | Won 2-1 | +181484 |
| 4extended | 116 | Terada, Atsushi (1582) | Lost 1-2 | -161468 |
| 5extended | 119 | Kawai, Masato (1483) | Lost 0-2 | -181450 |
| 6extended | 142 | Liu, Marco Kwang-Ju (1519) | Won 2-1 | +191469 |
| 7extended | 99 | Vanderburg, Aaron B (1503) | Won 2-1 | +191488 |
| 8extended | 74 | Kozakai, Yukio (1529) | Lost 0-2 | -171471 |
| top | average opponent: 1508record: 4-4 | new rating: 1471 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 185 | Nakashima, Yoshihito (1500) | Won 2-1 | +181518 |
| 2block | 311 | Tadokoro, Masaya (1518) | Lost 0-2 | -181500 |
| 3block | 472 | Maeda, Fumio (1500) | Won 2-1 | +181518 |
| 4block | 164 | Ogawa, Hidetoshi (1554) | Lost 1-2 | -171501 |
| 5block | 314 | Doi, Koji (1549) | Lost 0-2 | -171484 |
| 6block | 426 | Yanagizawa, Kazutoyo (1481) | Lost 1-2 | -191465 |
| top | average opponent: 1517record: 2-4 | new rating: 1465 | ||