Izumi, Shinji
Current rating: 1522
Record: 22-21
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 106 | Katayose, Shingo (1500) | Won 2-1 | +181496 |
| 2block | 134 | Morimoto, Naoto (1518) | Lost 1-2 | -181478 |
| 3block | 290 | Komiyama, Hideki (1613) | Won 2-0 | +211499 |
| 4block | 132 | Suda, Makoto (1534) | Won 2-1 | +181517 |
| 5block | 99 | Takakuwa, Minoru (1556) | Lost 0-2 | -171500 |
| 6block | 160 | Honma, Kazunobu (1517) | Won 2-0 | +181518 |
| 7block | 89 | Kotajima, Yasuhiro (1552) | Won 2-1 | +191537 |
| 8block | 54 | Kajiyama, Ryuta (1554) | Lost 0-2 | -181519 |
| 9block | 97 | Ito, Yuichi (1536) | Lost 0-2 | -171502 |
| 10block | 117 | Ogura, Ryou (1560) | Lost 0-2 | -171485 |
| 11block | 116 | Tezuka, Yuuki (1370) | Won 2-0 | +161501 |
| 12block | 102 | Oohira, Kenta (1491) | Won 2-0 | +171518 |
| 13block | 77 | Sugiyama, Hitoshi (1542) | Lost 0-2 | -171501 |
| 14block | 82 | Nakajima, Daisuke (1523) | Won 2-0 | +181519 |
| 15block | 63 | Mizutani, Naoki (1510) | Lost 1-2 | -181501 |
| 16block | 64 | Saito, Tomoharu (1668) | Won 2-1 | +211522 |
| top | average opponent: 1534record: 9-7 | new rating: 1522 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 123 | Suzuki, Yuuji (1546) | Lost 0-2 | -171496 |
| 2sealed | 298 | Morita, Yo (1482) | Lost 1-2 | -181478 |
| top | average opponent: 1514record: 0-2 | new rating: 1478 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 11 | Kounoike, Masaki (1500) | Lost 0-2 | -191536 |
| 2extended | 150 | Tomita, Kayoko (1386) | Won 2-1 | +151551 |
| 3extended | 141 | Takayama, Ryou (1499) | Lost 1-2 | -191532 |
| 4extended | 143 | Nakamuta, Tsukasa (1481) | Lost 0-2 | -191513 |
| top | average opponent: 1466record: 1-3 | new rating: 1513 | ||
| Grand Prix Sendai 2001 (extended) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 109 | Ito, Masamichi (1500) | Won 2-0 | +171555 |
| 2extended | 71 | Nagano, Satoshi (1518) | Lost 0-2 | -181537 |
| 3extended | 107 | Akiba, Masakazu (1500) | Won 2-0 | +171554 |
| 4extended | 101 | Nakajima, Jun-Ichi (1572) | Won 2-1 | +181572 |
| 5extended | 77 | Ishikawa, Ren (1672) | Won 2-0 | +201592 |
| 6extended | 24 | Biwaki, Toshiaki (1607) | Lost 0-2 | -181574 |
| 7extended | 64 | Sugaya, Akio (1492) | Lost 0-2 | -191555 |
| top | average opponent: 1552record: 4-3 | new rating: 1555 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 136 | Shimazu, Atsushi (1500) | Won 2-1 | +181518 |
| 2sealed | 70 | Kaneko, Naoki (1500) | Lost 0-2 | -181500 |
| 3sealed | 167 | Nomura, Chiaki (1482) | Won 2-1 | +171517 |
| 4sealed | 95 | Ikuta, Tatsuya (1564) | Won 2-0 | +191536 |
| 5sealed | 91 | Harada, Hiroshi (1590) | Lost 1-2 | -171519 |
| 6sealed | 168 | Matsuoka, Shuji (1518) | Won 2-0 | +181537 |
| 7sealed | 76 | Murata, Kouji (1584) | Lost 0-2 | -171520 |
| 8sealed | 100 | Fujiwara, Yuichiro (1518) | Won 2-0 | +181538 |
| top | average opponent: 1532record: 5-3 | new rating: 1538 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 244 | Kuno, Yoshihiro (1500) | Won 2-0 | +181518 |
| 2block | 207 | Ogawa, Hidetoshi (1553) | Lost 0-2 | -171501 |
| 3block | 498 | Iwamoto, Shota (1499) | Lost 0-2 | -181483 |
| 4block | 515 | Nishisaka, Shogo (1482) | Won 2-0 | +181501 |
| 5block | 480 | Mori, Mitsuhiro (1500) | Won 2-0 | +181519 |
| 6block | 188 | Okabe, Takahiro (1485) | Lost 0-2 | -191500 |
| top | average opponent: 1503record: 3-3 | new rating: 1500 | ||