Itagaki, Masayoshi
Current rating: 1516
Record: 36-34-7
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 121 | Matsumoto, Takafumi (1456) | Won 2-1 | +161573 |
| 2sealed | 137 | Nishizawa, Yasuhide (1537) | Lost 0-2 | -191554 |
| 3sealed | 247 | Sekine, Nobuaki (1486) | Lost 0-2 | -191535 |
| 4sealed | 266 | Matsuo, Takanori (1484) | Lost 0-2 | -191516 |
| top | average opponent: 1491record: 1-3 | new rating: 1516 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 256 | Kawabata, Hiromasa (1500) | Won 0-0 | +171573 |
| 2sealed | 98 | Tsuba, Yuuki (1483) | Won 2-0 | +171590 |
| 3sealed | 4 | Omori, Tomoaki (1699) | Won 2-0 | +201610 |
| 4sealed | 19 | Maehata, Yasuhito (1733) | Lost 0-2 | -161594 |
| 5sealed | 66 | Sugaya, Hironobu (1758) | Lost 1-2 | -151579 |
| 6sealed | 122 | Tokura, Mikihiro (1366) | Lost 1-2 | -221557 |
| top | average opponent: 1590record: 3-3 | new rating: 1557 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 88 | Ikeda, Shun (1536) | Lost 0-2 | -191560 |
| 3standard | 257 | Nishio, Yoshiaki (1541) | Won 2-1 | +181578 |
| 4standard | 155 | Sasaki, Yuuki (1519) | Lost 0-2 | -201558 |
| 5standard | 273 | Fukui, Shunsuke (1496) | Draw 1-1 | -11557 |
| 6standard | 229 | Torigoe, Seitaro (1552) | Won 2-1 | +181575 |
| 7standard | 190 | Itou, Kouei (1517) | Lost 0-2 | -191556 |
| top | average opponent: 1527record: 2-3-1 | new rating: 1556 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1626 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 32 | Omori, Ken'ichirou (1433) | Lost 1-2 | -211605 |
| 2standard | 312 | Inoue, Yu (1545) | Draw 1-1 | -11604 |
| 3standard | 320 | Sumi, Yukihiro (1482) | Lost 1-2 | -201584 |
| 4standard | 374 | Mochizuki, Kazuhiro (1426) | Won 2-1 | +151599 |
| 5standard | 309 | Ohkawa, Shinpei (1484) | Lost 1-2 | -201579 |
| top | average opponent: 1474record: 1-3-1 | new rating: 1579 | ||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 34 | Inoguchi, Hironobu (1452) | Won 2-1 | +161581 |
| 2sealed | 9 | Yazawa, Yasuhiro (1439) | Won 2-1 | +161597 |
| 3sealed | 16 | Nishiwaki, Kazuhisa (1697) | Draw 1-1 | +11598 |
| 4sealed | 55 | Onoda, Hikaru (1518) | Won 2-1 | +171615 |
| 5sealed | 27 | Asahara, Akira (2035) | Lost 1-2 | -111604 |
| 6sealed | 57 | Tsuda, Junichi (1539) | Won 2-0 | +171621 |
| 7sealed | 26 | Yamaguchi, Shinya (1617) | Won 2-0 | +181639 |
| 8sealed | 20 | Suzuki, Takahiro (1948) | Lost 0-2 | -131626 |
| top | average opponent: 1656record: 5-2-1 | new rating: 1626 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 77 | Yanagisawa, Tadahiro (1676) | Won 2-1 | +201555 |
| 3block | 29 | Dan, Akira (1504) | Won 2-0 | +171572 |
| 4block | 26 | Yasuda, Masahiro (1489) | Lost 1-2 | -191553 |
| 5block | 59 | Inoue, Takamichi (1487) | Won 2-0 | +171570 |
| 6block | 47 | Mikami, Iesato (1401) | Lost 0-2 | -221548 |
| 7block | 100 | Iioka, Kenta (1397) | Won 2-1 | +161564 |
| 8block | 56 | Mitamura, Kazuya (1644) | Draw 1-1 | +11565 |
| top | average opponent: 1514record: 4-2-1 | new rating: 1565 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 149 | Tamon, Ryusei (1466) | Draw 1-1 | -11535 |
| 3standard | 169 | Suginaka, Toshio (1504) | Won 2-0 | +181553 |
| 4standard | 118 | Mori, Koutarou (1537) | Draw 1-1 | -11552 |
| 5standard | 203 | Arahori, Kazuaki (1576) | Lost 0-2 | -171535 |
| 6standard | 268 | Nakamura, Atsushi (1518) | Won 2-1 | +171552 |
| 7standard | 195 | Hosomi, Yuuichi (1563) | Lost 1-2 | -171535 |
| top | average opponent: 1528record: 2-2-2 | new rating: 1535 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 169 | Yagi, Kouichi (1500) | Won 2-1 | +171574 |
| 2sealed | 63 | Okabayashi, Masanao (1583) | Lost 0-2 | -171557 |
| 3sealed | 155 | Ishii, Taisuke (1590) | Won 2-1 | +181575 |
| 4sealed | 124 | Hashizume, Nobuyuki (1523) | Won 2-1 | +171592 |
| 5sealed | 74 | Shimizu, Junji (1593) | Lost 1-2 | -181574 |
| 6sealed | 120 | Takeuchi, Ryota (1462) | Lost 1-2 | -201554 |
| 7sealed | 132 | Nishiwaki, Kazuhisa (1562) | Lost 1-2 | -181536 |
| top | average opponent: 1545record: 3-4 | new rating: 1536 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 26 | Murata, Kazuki (1500) | Draw 1-1 | 01503 |
| 2block | 224 | Tanahashi, Masayasu (1500) | Won 2-0 | +171520 |
| 3block | 153 | Morishita, Taiki (1518) | Won 2-0 | +181538 |
| 4block | 90 | Fukasawa, Taichi (1537) | Won 2-1 | +181556 |
| 5block | 46 | Kanno, Atsushi (1548) | Lost 0-2 | -181538 |
| 6block | 113 | Suzuki, Yuuji (1593) | Lost 0-2 | -171521 |
| 7block | 175 | Komiyama, Hideki (1623) | Won 2-0 | +201541 |
| 8block | 119 | Kabamoto, Sin (1536) | Won 2-0 | +181559 |
| 9block | 77 | Arime, Masaaki (1560) | Won 2-1 | +181577 |
| 10block | 44 | Senou, Yoshiyuki (1571) | Won 2-1 | +181595 |
| 11block | 30 | Eguchi, Sho (1581) | Lost 1-2 | -181577 |
| 12block | 48 | Shibuya, Tsutomu (1517) | Lost 0-2 | -191558 |
| 13block | 71 | Iyanaga, Junya (1536) | Won 2-0 | +171575 |
| 14block | 55 | Ito, Yoshimasa (1595) | Won 2-1 | +191594 |
| 15block | 39 | Ota, Yusuke (1596) | Lost 1-2 | -181576 |
| 16block | 44 | Kuroda, Yousuke (1571) | Lost 1-2 | -191557 |
| top | average opponent: 1555record: 9-6-1 | new rating: 1557 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 115 | Hayashi, Junsuke (1500) | Won 2-1 | +171558 |
| 2sealed | 72 | Kageyama, Kiyotomo (1583) | Lost 0-2 | -181540 |
| 3sealed | 211 | Uchida, Kensuke (1501) | Lost 0-2 | -181522 |
| 4sealed | 260 | Adachi, Yuhei (1466) | Lost 0-2 | -191503 |
| top | average opponent: 1512record: 1-3 | new rating: 1503 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 20 | Okutomi, Hiromitsu (1518) | Lost 1-2 | -181482 |
| 2extended | 129 | Nakaya, Makoto (1481) | Won 2-1 | +181500 |
| 3extended | 99 | Sugiyama, Yuya (1517) | Lost 1-2 | -171483 |
| 4extended | 142 | Itagaki, Yota (1505) | Won 2-1 | +181501 |
| 5extended | 123 | Ikezaki, Yutaro (1501) | Won 2-1 | +181519 |
| 6extended | 91 | Okuyama, Masahide (1520) | Won 2-0 | +181537 |
| 7extended | 70 | Ueta, Hiroki (1563) | Won 2-1 | +191556 |
| 8extended | 31 | Fujita, Osamu (1724) | Lost 0-2 | -151541 |
| top | average opponent: 1541record: 5-3 | new rating: 1541 | ||