Matsumoto, Taiki
Current rating: 1609
Record: 13-8
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1595 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 98 | Nakamura, Shinya (1518) | Won 2-0 | +171612 |
| 3standard | 11 | Yoshikuni, Mitsuyuki (1572) | Won 2-1 | +171629 |
| 4standard | 35 | Matsuzaki, Shin (1543) | Lost 1-2 | -191610 |
| 5standard | 72 | Kabeshita, Yoshito (1537) | Won 2-1 | +161626 |
| 6standard | 46 | Arahori, Kazuaki (1593) | Lost 0-2 | -181608 |
| 7standard | 133 | Murayama, Yoshiyuki (1644) | Won 2-1 | +181626 |
| 8standard | 66 | Kakumae, Teruya (1642) | Lost 0-2 | -171609 |
| average opponent: 1578record: 4-3 | new rating: 1609 | |||
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 97 | Saitou, Kotatsu (1500) | Won 2-0 | +181518 |
| 2extended | 26 | Shimizu, Akihiro (1657) | Won 2-0 | +211539 |
| 3extended | 39 | Asahara, Akira (1838) | Lost 0-2 | -131526 |
| 4extended | 97 | Komura, Nobuhiro (1503) | Won 2-1 | +171543 |
| 5extended | 56 | Nishimori, Takashi (1542) | Won 2-1 | +181561 |
| 6extended | 45 | Suita, Kazunari (1571) | Won 2-1 | +191580 |
| 7extended | 20 | Yaguchi, Hiroaki (1530) | Lost 0-2 | -191561 |
| 8extended | 47 | Iwai, Tsuyoshi (1683) | Won 2-1 | +201581 |
| 9extended | 25 | Yokosuka, Tomohiro (1780) | Won 2-1 | +211602 |
| 10extended | 4 | Tanaka, Hisaya (1754) | Won 2-1 | +211623 |
| 11extended | 17 | Hassaku, Jinpei (1814) | Won 2-0 | +221645 |
| 12extended | 12 | Doi, Asuka (1723) | Lost 0-2 | -171628 |
| 13extended | 6 | Sasanuma, Kiyoshi (1650) | Lost 1-2 | -181610 |
| 14extended | 24 | Koura, Masahiro (1775) | Lost 0-2 | -151595 |
| average opponent: 1666record: 9-5 | new rating: 1595 | |||