Tanaka, Kouichi
Current rating: 1669
Record: 70-53-2 (GP) / 8-8 (professional)
- 2008
- 2009
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2017
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1713 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 199 | Ono, Katsuya (1471) | Lost 0-2 | -231690 |
| 2sealed | 578 | Niisato, Souitirou (1482) | Lost 0-2 | -211669 |
| top | average opponent: 1476record: 0-2 | new rating: 1669 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1736 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 74 | Matsumura, Yuki (1500) | Won 2-1 | +141750 |
| 2sealed | 19 | Sekine, Naoto (1644) | Lost 0-2 | -201730 |
| 3sealed | 431 | Yamada, Sintarou (1521) | Lost 0-2 | -221708 |
| 4sealed | 462 | Takano, Hayato (1469) | Won 2-1 | +141722 |
| 5sealed | 314 | Hashimoto, Keisuke (1629) | Won 2-0 | +161738 |
| 6sealed | 213 | Ikeda, Naoto (1310) | Lost 0-2 | -251713 |
| top | average opponent: 1512record: 3-3 | new rating: 1713 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1785 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 942 | Yagi, Wataru (1402) | Lost 1-2 | -251760 |
| 2modern | 1082 | Okimura, Yosuke (1449) | Won 2-0 | +131773 |
| 3modern | 1148 | Matsuo, Takanori (1491) | Won 2-0 | +131786 |
| 4modern | 905 | Endo, Akiteru (1579) | Lost 0-2 | -221764 |
| 5modern | 1024 | Kawaguchi, Kyouhei (1745) | Lost 1-2 | -181746 |
| 6modern | 1102 | Suginaka, Toshiya (1434) | Won 2-0 | +121758 |
| 7modern | 1009 | Nishiwaki, Tatsuya (1520) | Lost 0-2 | -221736 |
| top | average opponent: 1517record: 3-4 | new rating: 1736 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1816 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 297 | Fujimoto, Yosuke (1570) | Won 2-1 | +131829 |
| 2standard | 224 | Sugiura, Takuya (1549) | Lost 0-2 | -231806 |
| 3standard | 317 | Itou, Syuhei (1578) | Won 2-1 | +141820 |
| 4standard | 265 | Shafaff, Azfa (1473) | Won 2-1 | +121832 |
| 5standard | 254 | Sano, Futoshi (1489) | Lost 1-2 | -241808 |
| 6standard | 331 | Katou, Takaaki (1503) | Lost 0-2 | -231785 |
| top | average opponent: 1527record: 3-3 | new rating: 1785 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1809 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 236 | Tanaka, Kazuhiko (1423) | Won 2-0 | +111820 |
| 4standard | 124 | Nakamura, Yusuke (1688) | Won 2-1 | +161836 |
| 5standard | 82 | Kubo, Yuuta (1568) | Won 2-1 | +131849 |
| 6standard | 30 | Jo, Bunkun (1527) | Lost 0-2 | -241825 |
| 7standard | 91 | Yang, Ting Hui (1571) | Won 2-1 | +141839 |
| 8standard | 49 | Nonaka, Kentarou (1787) | Won 2-1 | +171856 |
| 9standard | 26 | Kusakabe, Shuichi (1584) | Lost 0-2 | -231833 |
| 10standard | 33 | Hatano, Kaigo (1588) | Won 2-1 | +141847 |
| 11standard | 57 | Sasaki, Masaya (Akita) (1576) | Won 2-0 | +131860 |
| 12standard | 38 | Matsumoto, Yuki2978 (1635) | Lost 1-2 | -221838 |
| 13standard | 47 | Yamada, Takaaki (1616) | Lost 0-0 | -221816 |
| top | average opponent: 1597record: 7-4 | new rating: 1816 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1762 | |||
| round | table | opponent (rating) | result | Δrating |
| 4modern | 132 | Kou, Changsu (1713) | Won 2-1 | +171779 |
| 5modern | 73 | Hada, Nobuto (1426) | Won 2-1 | +121791 |
| 6modern | 3 | Tsujikawa, Taiga (1701) | Won 2-1 | +161807 |
| 7modern | 12 | Yamamoto, Takahiro (1566) | Lost 1-2 | -221785 |
| 8modern | 43 | Ueyama, Yudai (1597) | Lost 1-2 | -221763 |
| 9modern | 131 | Taru, Genki (1697) | Won 2-0 | +171780 |
| 10modern | 56 | Kawaguchi, Takashi (1632) | Won 2-1 | +151795 |
| 11modern | 35 | Nose, Koji (1873) | Won 2-1 | +201815 |
| 12modern | 18 | Hayashi, Hiroki (1801) | Won 2-1 | +181833 |
| 13modern | 13 | Nagaoka, Takayuki (1932) | Lost 1-2 | -171816 |
| 14modern | 26 | Maki, Yousuke (1598) | Lost 0-2 | -221794 |
| 15modern | 40 | Takahashi, Kazuya (1607) | ID | 01794 |
| 16modern | 38 | Shiota, Akihiko (1597) | Won 2-0 | +151809 |
| top | average opponent: 1672record: 8-4-1 | new rating: 1809 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1688 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 96 | Sunada, Shougo (1764) | Lost 1-2 | -161672 |
| 4sealed | 261 | Tsuboyama, Shuta (1482) | Won 2-0 | +141686 |
| 5sealed | 84 | Satake, Yukihiro (1482) | Won 2-0 | +151701 |
| 6sealed | 154 | Kuze, Shouta (1719) | Won 2-1 | +181719 |
| 7sealed | 84 | Ueno, Mitsuru (1585) | Won 2-1 | +151734 |
| 8sealed | 40 | Kitamoto, Hiroki (1711) | Won 2-0 | +181752 |
| 9sealed | 10 | Takafumi M., (1575) | Won 2-1 | +151767 |
| 10draft | 31 | Juumonji, Ryou (1820) | Won 2-1 | +191786 |
| 11draft | 3 | Omori, Ken'ichirou (1723) | Lost 1-2 | -191767 |
| 12draft | 17 | Suzuki, Masatsuna (1750) | Lost 0-2 | -191748 |
| 13draft | 63 | Fujita, Tsuyoshi (1781) | Won 2-1 | +191767 |
| 14draft | 36 | Kobayashi, Takahito (1694) | Lost 0-2 | -191748 |
| 15draft | 29 | Kukita, Takenao (1529) | Won 2-1 | +141762 |
| top | average opponent: 1663record: 9-4 | new rating: 1762 | ||
| Pro Tour Dark Ascension (DKA standard) | starting rating: 1681 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 34 | Wiegersma, Jelger (1956) | Lost 1-2 | -131668 |
| 2standard | 152 | Chen, Lokman (1836) | Won 2-1 | +211689 |
| 3standard | 70 | Fujimoto, Tomoya (1602) | Won 2-1 | +161705 |
| 4standard | 103 | Stoll, Kyle (1902) | Won 2-1 | +221727 |
| 5standard | 20 | Tober, Ken (1563) | Won 2-0 | +151742 |
| 6draft | 63 | Majlaton, Alex (1937) | Lost 1-2 | -141728 |
| 7draft | 160 | Matsumoto, Yuki1423 (1738) | Won 2-0 | +181746 |
| 8draft | 31 | Calcano, Christian (1704) | Lost 1-2 | -191727 |
| 9draft | 71 | Sanders, Sam (1623) | Lost 0-2 | -201707 |
| 10draft | 24 | Miller, Ryan (1520) | Lost 0-2 | -211686 |
| 11draft | 78 | Duval, Arnaud (1556) | Won 2-1 | +151701 |
| 12standard | 75 | Pereira Junior, Pedro (1677) | Lost 1-2 | -181683 |
| 13standard | 79 | Schmidt, Steffen (1744) | Won 2-1 | +191702 |
| 14standard | 70 | Endo, Ryota (1771) | Lost 0-2 | -171685 |
| 15standard | 68 | Wright, Stuart (1755) | Lost 0-2 | -161669 |
| 16standard | 69 | Snepvangers, Bram (1764) | Won 2-0 | +191688 |
| top | average opponent: 1728record: 8-8 | new rating: 1688 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 108 | Yusuke K., (1500) | Lost 1-2 | -191531 |
| 5standard | 112 | Takami, Yuuta (1459) | Won 2-1 | +171548 |
| 6standard | 43 | Huang, Hao-Shan (1919) | Won 2-0 | +241572 |
| 7standard | 50 | Omonishi, Kojiro (1537) | Won 2-1 | +171589 |
| 8standard | 21 | Kawamura, Kazushi (1812) | Won 2-0 | +221611 |
| 9standard | 22 | Yamaguchi, Koutarou (1654) | Won 2-0 | +191630 |
| 10standard | 10 | Iwasaki, Yuusuke (1901) | Lost 1-2 | -131617 |
| 11standard | 27 | Hiroshi I., (1561) | Won 2-1 | +171634 |
| 12standard | 6 | Sakamoto, Sakito (1753) | Won 2-0 | +201654 |
| 13standard | 13 | Motiki A., (1592) | Won 2-1 | +171671 |
| 14standard | 5 | Nonaka, Kentarou (1962) | Won 2-1 | +231694 |
| 15standard | 4 | Onizuka, Hiroshi (1690) | ID | 01694 |
| Qstandard | Juza, Martin (1973) | Lost 1-2 | -131681 | |
| top | average opponent: 1716record: 9-3-1 | new rating: 1681 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 245 | Sasamoto, Yuko (1423) | Won 2-0 | +161548 |
| 2extended | 21 | Takeuchi, Ryota (1437) | Lost 1-2 | -201528 |
| 3extended | 132 | Hamada, Akira (1594) | Won 2-1 | +191547 |
| 4extended | 106 | Hirota, Ginjiro (1528) | Won 2-1 | +181565 |
| 5extended | 122 | Okano, Yoshiki (1536) | Won 2-1 | +171582 |
| 6extended | 76 | Taniguchi, Yuusuke (1556) | Lost 0-2 | -181564 |
| 7extended | 71 | Tanahashi, Masayasu (1801) | Lost 0-2 | -141550 |
| top | average opponent: 1554record: 4-3 | new rating: 1550 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 57 | Sato, Genta (1484) | Draw 1-1 | -11556 |
| 2standard | 209 | Ito, Yuuko (1325) | Won 2-0 | +141570 |
| 3standard | 121 | Tozuka, Kouta (1678) | Lost 0-2 | -161554 |
| 4standard | 272 | Hirose, Daichi (1435) | Won 2-0 | +161570 |
| 5standard | 200 | Tsuboyama, Shuta (1505) | Lost 1-2 | -191551 |
| 6standard | 262 | Takeshita, Yousuke (1498) | Lost 1-2 | -191532 |
| top | average opponent: 1488record: 2-3-1 | new rating: 1532 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 115 | Fujimoto, Takehiro (1432) | Lost 0-2 | -201525 |
| 2extended | 435 | Yamamoto, Kazuhiro (1480) | Won 2-0 | +171542 |
| 3extended | 180 | Inoue, Masataka (1481) | Won 2-0 | +171559 |
| 4extended | 290 | Hasegawa, Baku (1450) | Lost 1-2 | -201539 |
| 5extended | 372 | Eda, Takeshi (1629) | Lost 0-2 | -171522 |
| 6extended | 328 | Shimizu, Ryo (1481) | Won 2-0 | +181540 |
| 7extended | 232 | Murata, Atsushi (1527) | Won 2-1 | +171557 |
| 8extended | 66 | Noguchi, Keita (1575) | Lost 0-2 | -171540 |
| 9extended | 143 | Ogawa, Kazuki (1520) | Won 2-1 | +171557 |
| top | average opponent: 1508record: 5-4 | new rating: 1557 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Moriyama, Masahiro (1382) | Won 2-0 | +151547 |
| 2sealed | 1 | Aono, Yoshio (1496) | Lost 1-2 | -191528 |
| 3sealed | 206 | Sato, Shinya (1500) | Won 2-0 | +181546 |
| 4sealed | 177 | Murakami, Norichika (1671) | Lost 1-2 | -161530 |
| 5sealed | 174 | Furuya, Satoshi (1401) | Won 2-1 | +161546 |
| 6sealed | 123 | Kawaguchi, Yuji (1525) | Won 2-0 | +171563 |
| 7sealed | 82 | Takasugi, Ryouta (1750) | Won 2-1 | +221585 |
| 8sealed | 73 | Take, Toshiharu (1543) | Lost 0-2 | -191566 |
| 9sealed | 73 | Ikeda, Naoto (1401) | Lost 1-2 | -211545 |
| top | average opponent: 1519record: 5-4 | new rating: 1545 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 1 | Mochizuki, Kazuhiro (1496) | Won 2-0 | +181510 |
| 2extended | 26 | Kubo, Ryoutarou (1581) | Won 2-0 | +191529 |
| 3extended | 50 | Hayata, Akira (1537) | Lost 1-2 | -181511 |
| 4extended | 105 | Takagi, Yui (1657) | Lost 0-2 | -151496 |
| 5extended | 138 | Okauchi, Yuuta (1455) | Won 2-0 | +171513 |
| 6extended | 114 | Imai, Masakatsu (1574) | Won 2-1 | +191532 |
| 7extended | 25 | Naitou, Keisuke (1689) | Won 2-0 | +211553 |
| 8extended | 57 | Mihara, Makihito (1854) | Won 2-1 | +241577 |
| 9extended | 1 | Motoshiromizu, Hiroshi (1561) | Lost 1-2 | -191558 |
| 10extended | 6 | Shiroza, Shinichiro (1583) | Lost 0-2 | -171541 |
| 11extended | 39 | Shimada, Hiroya (1619) | Won 2-0 | +191560 |
| 12extended | 29 | Tanahashi, Masayasu (1898) | Lost 1-2 | -121548 |
| 13extended | 12 | Ide, Katsuhiro (1570) | Draw 1-1 | 01548 |
| 14extended | 46 | Akiyama, Takashi (1618) | Lost 1-2 | -161532 |
| top | average opponent: 1621record: 7-6-1 | new rating: 1532 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 173 | Nakamura, Yusuke (1574) | Lost 0-0 | -171510 |
| 2sealed | 216 | Nakamura, Kazuo (1504) | Lost 0-2 | -181492 |
| top | average opponent: 1539record: 0-2 | new rating: 1492 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 74 | Inoue, Kouichi (1480) | Lost 1-2 | -181482 |
| 2block | 242 | Fujimoto, Yuki (1482) | Won 2-1 | +181500 |
| 3block | 169 | Kin, Yohei (1499) | Won 2-1 | +181518 |
| 4block | 176 | Sasaki, Yuusuke (1556) | Won 2-1 | +181536 |
| 5block | 109 | Suzuki, Takaaki (1757) | Lost 1-2 | -141522 |
| 6block | 144 | Ueno, Yoshiyuki (1519) | Won 2-0 | +181540 |
| 7block | 103 | Sunada, Shougo (1671) | Won 2-1 | +211561 |
| 8block | 44 | Hayashi, Shinsuke (1718) | Lost 1-2 | -161545 |
| 9block | 123 | Terada, Takurou (1528) | Lost 1-2 | -181527 |
| top | average opponent: 1579record: 5-4 | new rating: 1527 | ||