Itou, Shuuhei
Current rating: 1553
Record: 29-25-4
| Grand Prix Yokohama 2010 (extended) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 296 | Ueno, Atsushi (1489) | Won 2-1 | +171594 |
| 2extended | 106 | Goto, Yusei (1590) | Lost 1-2 | -191575 |
| 3extended | 291 | Yamada, Toshihiro (1502) | Won 2-0 | +171592 |
| 4extended | 159 | Sugimoto, Yuuki (1504) | Lost 1-2 | -191573 |
| 5extended | 262 | Miura, Shintaro (1498) | Lost 0-2 | -201553 |
| top | average opponent: 1517record: 2-3 | new rating: 1553 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 112 | Yui, Kaoru (1555) | Won 2-1 | +181583 |
| 2standard | 137 | Hanawa, Atsushi (1423) | Won 2-1 | +151598 |
| 3standard | 40 | Yamada, Ryuichiro (1591) | Draw 1-1 | 01598 |
| 4standard | 94 | Okumura, Katsuhiko (1446) | Won 2-0 | +151613 |
| 5standard | 47 | Murayama, Yoshiyuki (1618) | Lost 1-2 | -181595 |
| 6standard | 98 | Watanabe, Yuuya (1812) | Lost 1-2 | -141581 |
| 7standard | 146 | Sawade, Makoto (1457) | Won 2-1 | +161597 |
| 8standard | 37 | Kozakai, Yukio (1511) | Lost 1-2 | -201577 |
| top | average opponent: 1552record: 4-3-1 | new rating: 1577 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1591 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 18 | Akaike, Yo (1379) | Lost 0-2 | -221569 |
| 3standard | 207 | Ohno, Isao (1642) | Lost 0-2 | -161553 |
| 4standard | 323 | Hosoda, Shinya (1489) | Won 2-1 | +171570 |
| 5standard | 297 | Kawamura, Akihiro (1591) | Won 2-0 | +181588 |
| 6standard | 192 | Inoue, Masashi (1307) | Lost 0-2 | -231565 |
| top | average opponent: 1482record: 2-3 | new rating: 1565 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1599 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 19 | Mori, Takashi (1523) | Won 2-1 | +171616 |
| 3sealed | 21 | Shigehara, Toshinori (1521) | Lost 1-2 | -201596 |
| 4sealed | 122 | Nakano, Tomohito (1517) | Won 2-0 | +171613 |
| 5sealed | 41 | Yamano, Tatsuto (1452) | Won 2-1 | +151628 |
| 6sealed | 44 | Ishida, Yuuichi (1645) | Lost 1-2 | -181610 |
| 7sealed | 17 | Ishikawa, Masayo (1557) | Lost 1-2 | -191591 |
| top | average opponent: 1536record: 3-3 | new rating: 1591 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1598 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 80 | Miyabe, Kouichi (1600) | Won 2-0 | +181616 |
| 3block | 69 | Kawaji, Takaaki (1533) | Won 2-0 | +161632 |
| 4block | 12 | Morita, Masahiko (2007) | Won 2-0 | +251657 |
| 5block | 18 | Arita, Ryuichi (1672) | Lost 0-2 | -181639 |
| 6block | 36 | Kozakai, Yukio (1544) | Lost 1-2 | -201619 |
| 7block | 93 | Hatakeyama, Shota (1507) | Lost 0-2 | -201599 |
| top | average opponent: 1644record: 3-3 | new rating: 1599 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1617 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 40 | Ikeda, Kei (1698) | Lost 0-2 | -171600 |
| 4sealed | 196 | Kitagawa, Keiichi (1517) | Won 2-0 | +171617 |
| 5sealed | 90 | Suzuki, Yasutomo (1555) | Lost 1-2 | -191598 |
| 6sealed | 142 | Maruyama, Tomohiro (1640) | Lost 0-2 | -181580 |
| 7sealed | 148 | Nomura, Chiaki (1545) | Won 2-1 | +181598 |
| top | average opponent: 1591record: 2-3 | new rating: 1598 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1635 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 108 | Tanaka, Yuuya (1537) | Won 2-0 | +161651 |
| 4standard | 7 | Hirosawa, Yuuta (1704) | Lost 0-2 | -171634 |
| 5standard | 62 | Michiba, Ryouta (1519) | Lost 0-2 | -201614 |
| 6standard | 228 | Nakamura, Masanori (1573) | Won 2-0 | +171631 |
| 7standard | 164 | Hasegawa, Suguru (1568) | Won 2-0 | +171648 |
| 8standard | 59 | Kaji, Tomohiro (1763) | Lost 1-2 | -161632 |
| 9standard | 145 | Suzuki, Takaaki (1779) | Lost 1-2 | -151617 |
| top | average opponent: 1635record: 3-4 | new rating: 1617 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 85 | Ikeda, Takashi (1481) | Lost 0-2 | -181482 |
| 2block | 314 | Kato, Shinya (1482) | Won 2-1 | +181500 |
| 3block | 167 | Suzuki, Ryuuichi (1551) | Won 2-1 | +191519 |
| 4block | 189 | Saito, Tomoharu (1695) | Lost 1-2 | -151504 |
| 5block | 263 | Nishikubo, Shogo (1547) | Draw 1-1 | +11505 |
| 6block | 244 | Morishita, Taiki (1500) | Won 2-0 | +171522 |
| 7block | 173 | Senba, Kotaro (1521) | Won 2-1 | +181540 |
| 8block | 120 | Kubota, Kenta (1537) | Won 2-0 | +181558 |
| 9block | 87 | Ueno, Shinichi (1583) | Draw 1-1 | +11559 |
| 10block | 94 | Nobushita, Jun (1688) | Won 2-1 | +201579 |
| 11block | 65 | Yamamoto, Kouhei (1575) | Won 2-1 | +181597 |
| 12block | 45 | Takahashi, Junya (1561) | Won 2-0 | +171614 |
| 13block | 30 | Someya, Yu (1653) | Won 2-0 | +191633 |
| 14block | 19 | Ueno, Kazuki (1735) | Lost 0-2 | -161617 |
| 15block | 32 | Takiue, Satoshi (1554) | Won 2-0 | +171634 |
| 16block | 22 | Taru, Genki (1683) | Draw 1-1 | +11635 |
| top | average opponent: 1584record: 10-3-3 | new rating: 1635 | ||