Chou, Gyou
Current rating: 1566
Record: 41-36
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 556 | Matsuura, Takumi (1879) | Won 2-1 | +241568 |
| 4standard | 56 | Shinomiya, Yusuke (1433) | Won 2-0 | +151583 |
| 5standard | 110 | Muto, Shogo (1527) | Won 2-1 | +171600 |
| 6standard | 26 | Fukudome, Yuu (1664) | Lost 1-2 | -171583 |
| 7standard | 159 | Kashiwagi, Yuki (1521) | Won 2-1 | +171600 |
| 8standard | 32 | Nakamura, Yuya (1619) | Lost 1-2 | -171583 |
| 9standard | 255 | Willems, Sjoerd (1745) | Won 2-1 | +201603 |
| 10standard | 57 | Momoi, Atsushi (1566) | Lost 1-2 | -181585 |
| 11standard | 131 | Kim, Kyungho (1555) | Lost 0-2 | -191566 |
| top | average opponent: 1612record: 5-4 | new rating: 1566 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 195 | Marui, Yuki (1472) | Lost 1-2 | -201527 |
| 2standard | 1186 | Ohtsuka, Fukuo (1482) | Won 2-0 | +171544 |
| 3standard | 1031 | Takeuchi, Shuuji (1488) | Lost 0-2 | -191525 |
| 4standard | 1372 | Hirose, Daisuke (1858) | Won 2-0 | +241549 |
| 5standard | 1244 | Ohmoto, Masaya (1457) | Won 2-0 | +171566 |
| 6standard | 641 | Akagi, Takaaki (1476) | Lost 1-2 | -201546 |
| 7standard | 829 | Yu, Tsung Lin (1432) | Won 2-1 | +161562 |
| 8standard | 791 | Kanazawa, Daiki (1553) | Lost 1-2 | -181544 |
| top | average opponent: 1527record: 4-4 | new rating: 1544 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 761 | Shibue, Takahiro (1368) | Won 2-1 | +141601 |
| 2sealed | 359 | Ueno, Hideto (1365) | Won 2-1 | +141615 |
| 3sealed | 172 | Nomura, Takeshi (1378) | Lost 1-2 | -221593 |
| 4sealed | 657 | Yoshimura, Naoki (1491) | Lost 1-2 | -201573 |
| 5sealed | 856 | Matsuoka, Shingo (1433) | Lost 1-2 | -201553 |
| 6sealed | 824 | Matsumoto, Takashi (1491) | Won 2-1 | +161569 |
| 7sealed | 840 | Saitou, Daisuke (1300) | Lost 1-2 | -221547 |
| top | average opponent: 1404record: 3-4 | new rating: 1547 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 424 | Hayashi, Kazuya (1551) | Won 2-0 | +171590 |
| 2standard | 68 | Nakamura, Naomichi (1494) | Won 2-0 | +171607 |
| 3standard | 72 | Sakai, Shigeto (1503) | Won 2-0 | +161623 |
| 4standard | 256 | Mishima, Wataru (1799) | Lost 1-2 | -151608 |
| 5standard | 385 | Andou, Ryou (1567) | Won 2-0 | +171625 |
| 6standard | 107 | Ogawa, Yohei (1567) | Lost 1-2 | -191606 |
| 7standard | 319 | Sakaino, Yuta (1565) | Lost 0-2 | -191587 |
| top | average opponent: 1578record: 4-3 | new rating: 1587 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 192 | Shirasawa, Yudai (1500) | Lost 0-2 | -191542 |
| 2sealed | 409 | Yamada, Ryusuke (1396) | Won 2-1 | +161558 |
| 3sealed | 302 | Shin, Kanyou (1503) | Lost 0-2 | -191539 |
| 4sealed | 432 | Omiya, Takahiro (1501) | Won 2-1 | +171556 |
| 5sealed | 307 | Tanaka, Fumihiro (1500) | Won 2-1 | +171573 |
| 6sealed | 242 | Yamada, Atsushi (1674) | Won 2-0 | +201593 |
| 7sealed | 228 | Ikeda, Hiroaki (1482) | Lost 0-2 | -201573 |
| top | average opponent: 1508record: 4-3 | new rating: 1573 | ||
| Grand Prix Shanghai 2014 (KTK limited) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 242 | Hsieh, Po Chieh (1428) | Won 2-0 | +161605 |
| 2sealed | 166 | Bu, Yi (1504) | Lost 1-2 | -201585 |
| 3sealed | 346 | Cai, Shiyuan (1438) | Won 2-0 | +151600 |
| 4sealed | 265 | Jiye, Zhang (1518) | Lost 0-2 | -191581 |
| 5sealed | 380 | Cui, Hengrui (1517) | Lost 0-2 | -201561 |
| top | average opponent: 1481record: 2-3 | new rating: 1561 | ||
| Grand Prix Beijing 2014 (BNG standard) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 68 | Liu, Sai (1500) | Lost 1-2 | -191523 |
| 2standard | 380 | Wang, Yao 0566 (1482) | Won 2-0 | +181541 |
| 3standard | 268 | Yu, Tiancheng (1523) | Won 2-1 | +171558 |
| 4standard | 310 | Zhong, Junyi (1499) | Lost 1-2 | -191539 |
| 5standard | 320 | Sun, Baoju (1483) | Won 2-1 | +171556 |
| 6standard | 171 | Stepanov, Roman (1521) | Lost 1-2 | -181538 |
| 7standard | 306 | Lu, Yao Jie (1500) | Won 2-1 | +171555 |
| 8standard | 181 | Liu, Qikun (1539) | Won 2-1 | +181573 |
| 9standard | 186 | Bass, Stewart (1505) | Won 2-0 | +161589 |
| top | average opponent: 1506record: 6-3 | new rating: 1589 | ||
| Grand Prix Beijing 2013 (DGM limited) | starting rating: 1595 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 4 | Geng, Yu (1553) | Won 2-1 | +171612 |
| 4sealed | 91 | Kuo, Tzu-Ching (2027) | Lost 1-2 | -111601 |
| 5sealed | 87 | Luo, Jun long (1453) | Lost 1-2 | -211580 |
| 6sealed | 202 | Dong, Shuo (1521) | Lost 1-2 | -191561 |
| 7sealed | 242 | Chen, Xin [CHN] (1500) | Lost 0-2 | -191542 |
| top | average opponent: 1611record: 1-4 | new rating: 1542 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 101 | Ishitsuka, Yuuta (1518) | Lost 0-2 | -181464 |
| 3sealed | 237 | Ogiyama, Shuuji (1349) | Won 2-0 | +161480 |
| 4sealed | 169 | Hatoyama, Shinya (1524) | Won 2-0 | +191499 |
| 5sealed | 200 | Son, Kii (1543) | Lost 1-2 | -171482 |
| 6sealed | 231 | Kawamata, Takuya (1520) | Won 2-0 | +191501 |
| 7sealed | 145 | Urasawa, Taiji (1498) | Won 2-0 | +171518 |
| 8sealed | 231 | Takagi, Takeshi (1799) | Won 2-0 | +231541 |
| 9sealed | 267 | Arai, Kenichiro (1671) | Won 2-0 | +211562 |
| 10sealed | 87 | Sato, Kimihiko (1661) | Lost 0-2 | -161546 |
| 11sealed | 84 | Chen, Liang (1759) | Won 2-1 | +211567 |
| 12draft | 1 | Saitou, Keiichirou (1727) | Won 2-0 | +211588 |
| 13draft | 25 | Sato, Rei (1713) | Won 2-1 | +211609 |
| 14draft | 29 | Takimura, Kazuyuki (1564) | Won 2-0 | +171626 |
| 15draft | 81 | Yamaguchi, Satoshi (1882) | Lost 0-2 | -141612 |
| 16draft | 90 | Watanabe, Yusuke (1633) | Lost 0-2 | -171595 |
| top | average opponent: 1624record: 10-5 | new rating: 1595 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 72 | Yamada, Yousuke (1598) | Lost 0-2 | -161484 |
| 3modern | 567 | Ito, Akira (1392) | Won 2-0 | +161500 |
| 4modern | 223 | Narita, Yasumasa (1507) | Lost 0-2 | -181482 |
| 5modern | 384 | Tamura, Ryohei (1499) | Won 2-1 | +191501 |
| 6modern | 307 | Sato, Hisao (1455) | Lost 0-2 | -191482 |
| top | average opponent: 1490record: 2-3 | new rating: 1482 | ||