Kotouge, Tatsuya
Current rating: 1665
Record: 64-44-1
Grand Prix Kitakyushu 2009Grand Prix Yokohama 2010Grand Prix Yokohama 2013Grand Prix Kitakyushu 2013Grand Prix Shizuoka 2013Grand Prix Kobe 2014Grand Prix Shizuoka 2015Grand Prix Kobe 2015Grand Prix Shizuoka 2017Grand Prix Kobe 2017Grand Prix Kyoto 2017Grand Prix Shizuoka 2018 (standard)Grand Prix Chiba 2019
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1687 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 370 | Tamoto, Akihiro (1492) | Lost 0-2 | -221665 |
| top | record: 0-1 | new rating: 1665 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1685 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 523 | Doi, Kazuhiro (1524) | Lost 0-2 | -211664 |
| 3standard | 694 | Tokuyama, Yutaro (1535) | Lost 0-2 | -201644 |
| 4standard | 842 | Mizuno, Masahito (1502) | Won 2-1 | +151659 |
| 5standard | 835 | Komiya, Yuki (1518) | Won 2-1 | +161675 |
| 6standard | 699 | Washimi, Kazuo (1690) | Won 2-1 | +181693 |
| 7standard | 462 | Omi, Tatsuya (1529) | Won 2-1 | +151708 |
| 8standard | 400 | Noda, Gennoshin (1510) | Lost 1-2 | -211687 |
| top | average opponent: 1544record: 4-3 | new rating: 1687 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1688 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 106 | Noine, Kazuhiro (1785) | Won 2-1 | +191707 |
| 4sealed | 285 | Snook, Adam (1895) | Won 2-1 | +221729 |
| 5sealed | 12 | Pikula, Chris (1967) | Lost 1-2 | -141715 |
| 6sealed | 133 | Yasooka, Shota (2118) | Lost 1-2 | -111704 |
| 7sealed | 294 | Aizawa, Takahiro (1670) | Lost 0-2 | -191685 |
| top | average opponent: 1887record: 2-3 | new rating: 1685 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1694 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 354 | Nakamura, Yuu (1515) | Won 2-1 | +151709 |
| 3modern | 14 | Kobayashi, Daisuke (1460) | Lost 1-2 | -221687 |
| 4modern | 706 | Yamaguchi, Yu (1570) | Won 2-1 | +161703 |
| 5modern | 526 | Kageyama, Koki (1613) | Won 2-0 | +161719 |
| 6modern | 191 | Ookura, Haruka (1584) | Lost 1-2 | -211698 |
| 7modern | 413 | Kabeya, Atsushi (1451) | Won 2-0 | +141712 |
| 8modern | 255 | Oshima, Yuki (1626) | Won 2-0 | +161728 |
| 9modern | 231 | Zuo, Cheng (1759) | Lost 1-2 | -171711 |
| 10modern | 264 | Ono, Daisuke (1397) | Lost 0-2 | -231688 |
| top | average opponent: 1553record: 5-4 | new rating: 1688 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1744 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 195 | Suzuki, Kazuhiro (1396) | Lost 1-2 | -241720 |
| 3standard | 747 | Kudo, Amiru (1435) | Lost 0-2 | -231697 |
| 4standard | 1130 | Matsumoto, Takuya (1446) | Won 2-1 | +141711 |
| 5standard | 676 | Ishijima, Kazuya (1478) | Won 2-1 | +141725 |
| 6standard | 530 | Koide, Yukua (1489) | Won 2-0 | +131738 |
| 7standard | 521 | Kato, Hiromu (1535) | Lost 0-2 | -211717 |
| 8standard | 757 | Seki, Tosio (1474) | Lost 1-2 | -231694 |
| top | average opponent: 1465record: 3-4 | new rating: 1694 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1749 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 173 | Ishida, Ryuichiro (1461) | Draw 1-1 | -51744 |
| 4standard | 308 | Tani, Chiharu (1594) | Won 2-0 | +161760 |
| 5standard | 148 | Ryou, Watabe (1555) | Lost 0-2 | -221738 |
| 6standard | 369 | Yoshimura, Humito (1506) | Won 2-0 | +141752 |
| 7standard | 202 | Yoshimoto, Masanobu (1533) | Won 2-0 | +141766 |
| 8standard | 126 | Okada, Tomofumi (1575) | Lost 1-2 | -221744 |
| top | average opponent: 1537record: 3-2-1 | new rating: 1744 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1783 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 820 | Matsubara, Ichiro (1654) | Won 2-1 | +161799 |
| 4sealed | 656 | Ichino, Takahito (1538) | Lost 1-2 | -231776 |
| 5sealed | 722 | Ogawa, Takashi (1543) | Won 2-1 | +141790 |
| 6sealed | 659 | Fujimoto, Takehiro (1739) | Lost 1-2 | -191771 |
| 7sealed | 807 | Ogawa, Daiki (1562) | Lost 1-2 | -221749 |
| top | average opponent: 1607record: 2-3 | new rating: 1749 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1765 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 738 | Yamamoto, Taichi (1576) | Won 2-1 | +141779 |
| 4modern | 760 | Shindou, Takehiro (1517) | Won 2-1 | +141793 |
| 5modern | 739 | Nakagami, Takanori (1557) | Won 2-1 | +141807 |
| 6modern | 706 | Akita, Naoto (1725) | Won 2-0 | +161823 |
| 7modern | 705 | Tsukagoshi, Tadaki (1785) | Lost 0-2 | -191804 |
| 8modern | 741 | Kubo, Ryoutarou (1643) | Lost 1-2 | -211783 |
| 9modern | 796 | Kitahara, Hiroaki (1828) | Won 2-0 | +191802 |
| 11modern | 28 | Tachibana, Kentarou (1559) | Lost 0-2 | -221780 |
| 12modern | 79 | Tsukagoshi, Tadaki (1763) | Won 2-0 | +181798 |
| 13modern | 61 | Asahara, Akira (1943) | Won 2-1 | +201818 |
| 14modern | 41 | Matsumoto, Yuki2978 (1969) | Lost 0-2 | -151803 |
| 15modern | 51 | Sakimura, Akihiko (1714) | Lost 0-2 | -201783 |
| top | average opponent: 1715record: 7-5 | new rating: 1783 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1672 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 715 | Asahina, Takuya (1466) | Won 1-0 | +141686 |
| 2standard | 626 | Saida, Kazuki (1500) | Won 1-0 | +151701 |
| 3standard | 609 | Nose, Koji (1834) | Lost 0-2 | -161685 |
| 4standard | 766 | Ichimura, Yuji (1576) | Lost 1-2 | -201665 |
| 5standard | 708 | Ohori, Akihito (1386) | Won 2-0 | +131678 |
| 6standard | 671 | Oobayashi, Naoki (1487) | Won 2-0 | +151693 |
| 7standard | 670 | Endo, Takuya (1413) | Won 2-0 | +131706 |
| 8standard | 580 | Sugimoto, Hiroaki (1630) | Won 2-0 | +161722 |
| 9standard | 651 | Amayasu, Kazunori (1490) | Won 2-0 | +141736 |
| 10standard | 75 | Yonezawa, Musashi (1680) | Won 2-0 | +171753 |
| 11standard | 60 | Matsuda, Issui (1724) | Won 2-1 | +181771 |
| 12standard | 12 | Kirito, Keisuke (1671) | Lost 1-2 | -201751 |
| 13standard | 38 | Oshima, Yuki (1623) | Won 2-1 | +161767 |
| 14standard | 23 | Taura, Ryuji (1716) | Lost 1-2 | -191748 |
| 15standard | 56 | Esaki, Keisuke (1701) | Won 2-0 | +171765 |
| top | average opponent: 1593record: 11-4 | new rating: 1765 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1662 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 132 | Furugen, Takeji (1370) | Won 2-1 | +131675 |
| 2standard | 162 | Higashi, Satoshi (1622) | Won 2-0 | +171692 |
| 3standard | 25 | Park, Bong-Jin (1523) | Won 2-0 | +151707 |
| 4standard | 113 | Yoshida, Koki (1520) | Lost 0-2 | -211686 |
| 5standard | 140 | Jiao, Chang (1433) | Lost 1-2 | -231663 |
| 6standard | 315 | Miyake, Yousuke (1541) | Lost 0-2 | -201643 |
| 7standard | 302 | Tsuda, Takanori (1447) | Won 2-0 | +151658 |
| 8standard | 267 | Nakamura, Tatsuya (1448) | Won 2-0 | +141672 |
| top | average opponent: 1488record: 5-3 | new rating: 1672 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1638 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 57 | Lee, Yi-Ping (1498) | Won 2-0 | +161654 |
| 2sealed | 260 | Imamura, Akihiro (1432) | Won 2-0 | +141668 |
| 3sealed | 24 | Kumada, Keiichiro (1554) | Won 2-1 | +161684 |
| 4sealed | 25 | Kumeyama, Yuji (1486) | Lost 0-2 | -221662 |
| 5sealed | 166 | Fukutani, Masato (1477) | Won 2-1 | +151677 |
| 6sealed | 139 | Andou, Ryou (1508) | Won 2-1 | +151692 |
| 7sealed | 52 | Nakao, Munenari (1640) | Won 2-1 | +171709 |
| 8sealed | 175 | Chanboonyawat, Prapruet (1591) | Won 2-1 | +161725 |
| 9sealed | 210 | Taniguchi, Hiroaki (1788) | Won 2-1 | +191744 |
| 10sealed | 20 | Kondo, Shuichi (1588) | Lost 1-2 | -211723 |
| 11sealed | 45 | Ono, Shoichi (1616) | Lost 1-2 | -201703 |
| 12draft | 116 | Watanabe, Yusuke (1589) | Lost 1-2 | -201683 |
| 13draft | 48 | Saito, Taishi (1546) | Lost 0-2 | -211662 |
| top | average opponent: 1563record: 8-5 | new rating: 1662 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1627 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 167 | Naono, Shuichi (1518) | Lost 1-2 | -201607 |
| 3extended | 368 | Ichikawa, Norikazu (1547) | Won 2-1 | +171624 |
| 4extended | 150 | irving, tobias (1519) | Won 2-1 | +161640 |
| 5extended | 174 | Ikedo, Masakazu (1647) | Lost 0-2 | -181622 |
| 6extended | 233 | Weiskotten, Brendan (1610) | Won 2-0 | +181640 |
| 7extended | 169 | Ohno, Hirofumi (1537) | Won 2-1 | +161656 |
| 8extended | 182 | Yoshimori, Sho (1675) | Lost 0-2 | -181638 |
| top | average opponent: 1579record: 4-3 | new rating: 1638 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 130 | Nagami, Youichi (1500) | Won 2-0 | +181518 |
| 2sealed | 22 | Kurihara, Tomo (1578) | Won 2-0 | +191537 |
| 3sealed | 9 | Watabe, Kazunori (1450) | Won 2-0 | +171554 |
| 4sealed | 9 | Ikawa, Yoshihiko (1576) | Lost 1-2 | -181536 |
| 5sealed | 52 | Ishida, Ryuichiro (1506) | Won 2-0 | +171553 |
| 6sealed | 48 | Minobe, Yoshihiro (1663) | Won 2-0 | +201573 |
| 7sealed | 31 | Hirabayashi, Kazuya (1792) | Won 2-0 | +221595 |
| 8sealed | 21 | Aritaka, Ryouichi (1591) | Won 2-1 | +181613 |
| 9draft | 41 | Shiraishi, Hiroaki (1673) | Won 2-0 | +191632 |
| 10draft | 43 | Sugaya, Hironobu (1878) | Lost 0-2 | -131619 |
| 11draft | 19 | Yasooka, Shota (1869) | Won 2-0 | +221641 |
| 12draft | 25 | Kitazono, Kensuke (1778) | Won 2-1 | +211662 |
| 13draft | 34 | Aka, Shunsuke (1648) | Lost 0-2 | -191643 |
| 14draft | 24 | Katayama, Hidenori (1713) | Lost 1-2 | -161627 |
| top | average opponent: 1658record: 10-4 | new rating: 1627 | ||