Cho, Kou
Current rating: 1780 (#2766)
Record: 53-28
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1757 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 17 | Ushiku, Naoki (1433) | Won 2-0 | +121769 |
| 3standard | 157 | Itou, Masahiro1014 (1255) | Lost 0-2 | -261743 |
| 4standard | 810 | Takahashi, Kazuya (1530) | Won 2-1 | +141757 |
| 5standard | 617 | Tanaka, Kimitaka (1714) | Lost 0-2 | -191738 |
| 6standard | 788 | Fujikura, Akinori (1567) | Lost 1-2 | -211717 |
| 7standard | 1003 | Li, Chi (1617) | Won 2-0 | +161733 |
| 8standard | 598 | Sakamoto, Takumi (1534) | Won 2-0 | +151748 |
| 9standard | 587 | Nishikawa, Yukihiro (1580) | Won 2-1 | +141762 |
| 10standard | 239 | Mukai, Shinichi (1459) | Won 2-1 | +131775 |
| 11standard | 267 | Taniguchi, Hitoshi (1565) | Won 2-0 | +141789 |
| 12standard | 114 | Kabeshita, Yoshito (1513) | Lost 1-2 | -231766 |
| 13standard | 271 | Maruyama, Satoshi (1585) | Won 2-0 | +151781 |
| 14standard | 195 | Takahira, Shunsuke (1841) | Won 2-0 | +191800 |
| 15standard | 132 | Ikebata, Ryou (1700) | Lost 0-2 | -201780 |
| top | average opponent: 1564record: 9-5 | new rating: 1780 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1744 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 491 | Shigehara, Toshinori (1772) | Lost 1-2 | -181726 |
| 3standard | 956 | Hongo, Hiroki (1486) | Won 2-0 | +141740 |
| 4standard | 659 | Suzuki, Takumi (1516) | Won 2-0 | +141754 |
| 5standard | 411 | Tsuji, Naoto (1557) | Won 2-0 | +141768 |
| 6standard | 229 | Kumagai, Riku (1787) | Lost 0-2 | -171751 |
| 7standard | 314 | Morita, Takanori (1576) | Won 2-0 | +151766 |
| 8standard | 292 | Hoshina, Ryousuke (1577) | Lost 0-2 | -221744 |
| 9standard | 283 | Haratake, Noriyuki (1450) | Won 2-0 | +131757 |
| top | average opponent: 1590record: 5-3 | new rating: 1757 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1758 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 2180 | Izumida, Takuma (1528) | Lost 0-2 | -221736 |
| 3sealed | 2310 | Isoda, Syouichi (1499) | Won 2-1 | +131749 |
| 4sealed | 2203 | Takawashi, Kenji (1490) | Lost 1-2 | -221727 |
| 5sealed | 2252 | Satho, Kai (1499) | Won 2-1 | +141741 |
| 6sealed | 2169 | Sato, Koji (1480) | Won 2-1 | +131754 |
| 7sealed | 2140 | Kanehira, Haruki (1451) | Won 2-1 | +131767 |
| 8sealed | 2132 | Yoshimura, Wataru (1490) | Lost 0-2 | -231744 |
| top | average opponent: 1491record: 4-3 | new rating: 1744 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1800 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 728 | Asada, Tetsuaki (1500) | Won 2-1 | +131813 |
| 2sealed | 824 | Uchimura, Yoshihiro (1587) | Lost 0-2 | -221791 |
| 3sealed | 919 | Kato, Hiroki3246 (1501) | Won 2-1 | +131804 |
| 4sealed | 849 | Maruyama, Yuichiro (1509) | Lost 1-2 | -241780 |
| 5sealed | 943 | Kawabata, Yuji (1511) | Lost 1-2 | -221758 |
| top | average opponent: 1522record: 2-3 | new rating: 1758 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1724 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 306 | Sasayama, Shin (1467) | Won 2-0 | +141738 |
| 2modern | 188 | Akaike, Yo (1587) | Won 2-0 | +151753 |
| 3modern | 68 | Natsume, Takuya (1506) | Won 2-0 | +131766 |
| 4modern | 39 | Sato, Keisuke (1639) | Won 2-0 | +161782 |
| 5modern | 19 | Sato, Takatoshi (1783) | Won 2-1 | +181800 |
| 6modern | 61 | Mantani, Keiji (1760) | Won 2-0 | +171817 |
| 7modern | 60 | Kinoshita, Tomohiro (1751) | Lost 1-2 | -191798 |
| 8modern | 91 | Tamada, Ryoichi (1794) | Won 2-1 | +181816 |
| 9modern | 61 | Ono, Daichi (1616) | Lost 0-2 | -211795 |
| 10modern | 102 | Kusunoki, Hiroyuki (1596) | Won 2-1 | +141809 |
| 11modern | 67 | Ikushima, Taiga (1623) | Won 2-0 | +151824 |
| 12modern | 28 | Ikeda, Taiki (1602) | Lost 0-2 | -221802 |
| 13modern | 44 | Ishimura, Shintaro (2001) | Won 2-0 | +211823 |
| 14modern | 38 | Tani, Chiharu (1541) | Lost 0-2 | -231800 |
| 15modern | 52 | Asahara, Akira (1938) | ID | 01800 |
| top | average opponent: 1680record: 10-4-1 | new rating: 1800 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 612 | Kawabata, Yuji (1476) | Lost 0-2 | -201596 |
| 4standard | 722 | Muramatu, Suguru (1516) | Won 2-0 | +161612 |
| 5standard | 590 | Maruno, Takaaki (1536) | Won 2-1 | +171629 |
| 6standard | 533 | Sakai, Hiroetsu (1538) | Won 2-1 | +161645 |
| 7standard | 557 | Matsuo, Hiroyuki (1578) | Won 2-0 | +171662 |
| 8standard | 528 | Sato, Kouki (1659) | Won 2-1 | +181680 |
| 9standard | 615 | Futatsugi, Takuya (1527) | Lost 1-2 | -211659 |
| 10standard | 80 | Narita, Chisato (1552) | Won 2-0 | +161675 |
| 11standard | 66 | Hoshino, Masaaki (1614) | Won 2-1 | +171692 |
| 12standard | 16 | Hyodo, Kosuke (1628) | Won 2-0 | +171709 |
| 13standard | 20 | Higuchi, Akashi (1645) | Won 2-0 | +171726 |
| 14standard | 5 | Tsukagoshi, Tadaki (1719) | Lost 1-2 | -181708 |
| 15standard | 21 | Arai, Yusuke (1632) | Won 2-0 | +161724 |
| top | average opponent: 1586record: 10-3 | new rating: 1724 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1646 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 285 | Sugimoto, Shimpei (1518) | Won 2-0 | +161662 |
| 3standard | 298 | Shimada, Masahiko (1610) | Won 2-0 | +171679 |
| 4standard | 142 | Kondou, Yoshiki (1500) | Lost 1-2 | -211658 |
| 5standard | 126 | Okamoto, Satoshi (1572) | Lost 1-2 | -201638 |
| 6standard | 453 | Hada, Nobuto (1409) | Lost 0-2 | -221616 |
| top | average opponent: 1522record: 2-3 | new rating: 1616 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 348 | Tamai, Yuno (1482) | Won 2-1 | +181518 |
| 2modern | 181 | Suzuki, Yuya (1504) | Won 2-0 | +171535 |
| 3modern | 87 | Juumonji, Ryou (1790) | Lost 1-2 | -131522 |
| 4modern | 258 | Fujita, Toshitake (1548) | Won 2-1 | +181540 |
| 5modern | 238 | Shimizu, Souichirou (1483) | Won 2-0 | +171557 |
| 6modern | 89 | Abe, Hiroyuki (1554) | Won 2-1 | +181575 |
| 7modern | 108 | Katayose, Shingo (1737) | Lost 0-2 | -151560 |
| 8modern | 178 | Oikawa, Hakudou (1583) | Won 2-0 | +191579 |
| 9modern | 133 | Koyanagi, Takashi (1620) | Won 2-1 | +181597 |
| 10modern | 69 | Uehara, Shinya (1547) | Won 2-0 | +171614 |
| 11modern | 29 | Ootsuka, Yuusuke (1619) | Lost 1-2 | -171597 |
| 12modern | 62 | Chiba, Akio (1946) | Won 2-0 | +241621 |
| 13modern | 50 | Hibino, Yasutaka (1675) | Won 2-1 | +191640 |
| 14modern | 23 | Murase, Hiroshi (1811) | Won 2-1 | +211661 |
| 15modern | 20 | Ikawa, Yoshihiko (1859) | Lost 1-2 | -151646 |
| 16modern | 33 | Sakamoto, Sakito (1767) | ID | 01646 |
| top | average opponent: 1658record: 11-4-1 | new rating: 1646 | ||