Tazawa, Jun
Current rating: 1571
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 106 | Sugai, Yasuhito (1518) | Lost 1-2 | -191552 |
| 3block | 109 | Murayama, Yoshiyuki (1635) | Won 2-1 | +201572 |
| 4block | 114 | Kondou, Hiroaki (1488) | Won 2-0 | +161588 |
| 5block | 88 | Imai, Ryouta (1625) | Lost 0-2 | -171571 |
| 6block | 106 | Nikkuni, Fumihito (1641) | Lost 0-2 | -171554 |
| 7block | 131 | Hisaki, Yuu (1524) | Won 2-0 | +171571 |
| 8block | 99 | Ono, Ippei (1569) | Draw 1-1 | 01571 |
| top | average opponent: 1571record: 3-3-1 | new rating: 1571 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1581 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Yamakawa, Hiroyuki (1519) | Lost 0-2 | -191562 |
| 2sealed | 241 | Nakagawa, Koichi (1365) | Won 2-0 | +151577 |
| 3sealed | 218 | Watanabe, Masami (1499) | Won 2-0 | +161593 |
| 4sealed | 168 | Komiyama, Hideki (1631) | Won 2-0 | +191612 |
| 5sealed | 42 | Sasaki, Yusuke(Miyagi) (1518) | Lost 0-2 | -201592 |
| 6sealed | 148 | Syouyama, Youhei (1520) | Lost 0-2 | -191573 |
| 7sealed | 136 | Noda, Koji (1535) | Won 2-0 | +171590 |
| 8sealed | 98 | Kawabata, Yukito (1519) | Lost 0-1 | -191571 |
| top | average opponent: 1513record: 4-4 | new rating: 1571 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 114 | Ohno, Isao (1518) | Won 2-1 | +181518 |
| 3block | 126 | Ishikawa, Masayo (1572) | Won 2-1 | +191537 |
| 4block | 18 | Koizumi, Kenta (1560) | Won 2-0 | +191556 |
| 5block | 39 | Hirabayashi, Kazuya (1702) | Lost 1-2 | -161540 |
| 6block | 49 | Lee, Yen Han (1456) | Lost 0-2 | -191521 |
| 7block | 153 | Ishigami, Kei (1536) | Won 2-1 | +181539 |
| 8block | 86 | Ishihara, Takashi (1616) | ID | 01539 |
| 9block | 61 | Yamazaki, Shun (1567) | Won 2-0 | +191558 |
| 10block | 49 | Takano, Yasuhiro (1588) | Won 2-1 | +181576 |
| 11block | 26 | Shimura, Ichirou (1695) | Lost 0-2 | -161560 |
| 12block | 59 | Miyauchi, Makoto (1577) | Lost 1-2 | -171543 |
| 13block | 66 | Tanaka, Jun'ichi (1513) | Won 2-1 | +171560 |
| 14block | 47 | Adachi, Shingo (1675) | Won 2-0 | +201580 |
| 15block | 36 | Kushibe, Toshiki (1555) | Lost 0-2 | -181562 |
| 16block | 42 | Ogami, Kenji (1657) | Won 2-1 | +191581 |
| top | average opponent: 1586record: 9-5-1 | new rating: 1581 | ||