Nagayama, Sou
Current rating: 1518
Record: 52-51
Grand Prix Yokohama 2013Grand Prix Shizuoka 2013Grand Prix Kobe 2014Grand Prix Shizuoka 2015Grand Prix Chiba 2015Grand Prix Nagoya 2016Grand Prix Tokyo 2016Grand Prix Shizuoka 2017Grand Prix Kobe 2017Grand Prix Kyoto 2017Grand Prix Chiba 2018Grand Prix Yokohama 2019Grand Prix Chiba 2019Grand Prix Nagoya 2019
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 190 | Ootani, Yousuke (1669) | Lost 0-2 | -151472 |
| 3standard | 601 | Tamari, Toshiya (1469) | Lost 1-2 | -181454 |
| 4standard | 677 | Yokoide, Yuuta (1365) | Won 2-1 | +161470 |
| 5standard | 528 | Asaumi, Hiroki (1706) | Won 2-0 | +231493 |
| 6standard | 318 | Oumi, Masatoshi (1480) | Won 2-1 | +171510 |
| 7standard | 388 | Tang, Yu Hsiang (1566) | Won 2-0 | +191529 |
| 8standard | 123 | Iwazaki, Yuuta (1935) | Lost 1-2 | -111518 |
| top | average opponent: 1599record: 4-3 | new rating: 1518 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 418 | Asaumi, Hiroki (1742) | Lost 0-2 | -131476 |
| 4sealed | 634 | Mukai, Hiroaki (1628) | Won 2-1 | +211497 |
| 5sealed | 391 | Yamaguchi, Yuuichi (1659) | Lost 0-2 | -161481 |
| 6sealed | 566 | Kabashima, Takuya (1610) | Won 2-1 | +211502 |
| 7sealed | 322 | Koizumi, Yuma (1669) | Lost 1-2 | -151487 |
| top | average opponent: 1661record: 2-3 | new rating: 1487 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 336 | Endoh, Hiroki (1551) | Lost 0-2 | -171504 |
| 3modern | 685 | Satou, Akihiko (1548) | Won 2-1 | +191523 |
| 4modern | 517 | Xue, Wei (1587) | Lost 0-2 | -171506 |
| 5modern | 637 | Tanabe, Takumi (1582) | Lost 1-2 | -171489 |
| top | average opponent: 1567record: 1-3 | new rating: 1489 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 133 | Kashima, Akihiro (1736) | Won 2-0 | +221551 |
| 3sealed | 314 | Matsushita, Junnya (1804) | Lost 0-2 | -131538 |
| 4sealed | 508 | Inui, Takashi (1606) | Lost 0-2 | -171521 |
| 5sealed | 775 | Atsuji, Makoto (1514) | Won 2-1 | +181539 |
| 6sealed | 393 | Takeuchi, Shuuji (1502) | Lost 1-2 | -191520 |
| 7sealed | 574 | Suzuki, Yuuhei (1362) | Won 2-0 | +151535 |
| 8sealed | 483 | Sugaya, Hironobu (1770) | Lost 1-2 | -141521 |
| top | average opponent: 1613record: 3-4 | new rating: 1521 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 326 | Kurokawa, Yuusuke (1702) | Won 2-0 | +211558 |
| 3sealed | 238 | Yamada, Ryuichiro (1770) | Lost 1-2 | -141544 |
| 4sealed | 437 | Kitao, Soujyu (1656) | Won 2-1 | +201564 |
| 5sealed | 259 | Ishikawa, Masayo (1629) | Lost 1-2 | -171547 |
| 6sealed | 631 | Sakumoto, Kazuki (1517) | Lost 0-2 | -191528 |
| 7sealed | 655 | Ivanov, Dimitri (1535) | Lost 0-2 | -181510 |
| 8sealed | 692 | Fukuda, Yuuki (1563) | Won 2-0 | +191529 |
| top | average opponent: 1625record: 3-4 | new rating: 1529 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 196 | Takeuchi, Yuhei (1519) | Lost 0-2 | -191558 |
| 3modern | 952 | Kondo, Go (1482) | Lost 0-2 | -201538 |
| 4modern | 958 | Kawanami, Takumi (1481) | Lost 1-2 | -191519 |
| 5modern | 1198 | Hattori, Kazuki (1593) | Won 2-0 | +201539 |
| 6modern | 1109 | Taiya, Kohama (1481) | Won 2-1 | +171556 |
| 7modern | 648 | Tanaka, Ryuusuke (1513) | Lost 1-2 | -191537 |
| top | average opponent: 1512record: 2-4 | new rating: 1537 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 302 | Kondo, Fumiya (1509) | Lost 0-2 | -201568 |
| 3standard | 718 | Inoue, Reiichi (1500) | Won 2-0 | +171585 |
| 4standard | 712 | Kakimi, Yoshinori (1525) | Won 2-1 | +171602 |
| 5standard | 528 | Kimura, Shigeki (1687) | Lost 0-2 | -171585 |
| 6standard | 443 | Seki, Kojirou (1541) | Won 2-0 | +181603 |
| 7standard | 438 | Kuribayashi, Takayuki (1520) | Lost 1-2 | -201583 |
| 8standard | 704 | Soejima, Yuichi (1451) | Lost 1-2 | -201563 |
| 9standard | 741 | Tsuchiya, Yoshihiro (1341) | Won 2-0 | +141577 |
| top | average opponent: 1509record: 4-4 | new rating: 1577 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 666 | Kawasaki, Masashi (1500) | Won 2-0 | +171559 |
| 2standard | 132 | Enatsu, Hiroaki (1533) | Won 2-1 | +181577 |
| 3standard | 532 | Ojima, Tomohito (1346) | Won 2-1 | +141591 |
| 4standard | 174 | Ota, Ryunosuke (1547) | Lost 1-2 | -191572 |
| 5standard | 407 | Zhao, Tianyu (1729) | Won 2-0 | +211593 |
| 6standard | 292 | Kabeya, Atsushi (1455) | Lost 1-2 | -211572 |
| 7standard | 484 | Ishihara, Atsushi (1538) | Lost 1-2 | -191553 |
| 8standard | 696 | Nagato, Yusuke (1534) | Won 2-0 | +181571 |
| 9standard | 511 | Suzuki, Ryouta (1488) | Won 2-1 | +171588 |
| top | average opponent: 1519record: 6-3 | new rating: 1588 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 593 | Fujitani, Masahiro (1511) | Lost 1-2 | -181512 |
| 2sealed | 837 | Takeda, Koji (1405) | Lost 1-2 | -201492 |
| 3sealed | 1120 | Manabe, Hirokazu (1439) | Won 2-0 | +171509 |
| 4sealed | 1122 | Kanaya, Hirosi (1513) | Won 2-0 | +181527 |
| 5sealed | 939 | Sugiyama, Takahiro (1530) | Lost 0-2 | -181509 |
| 6sealed | 978 | Sando, Kazuki (1485) | Won 2-0 | +181527 |
| 7sealed | 733 | Kotani, Kazuki (1504) | Lost 1-2 | -191508 |
| 8sealed | 774 | Murase, Atsushi (1415) | Won 2-0 | +171525 |
| 9sealed | 641 | Nakamura, Kousuke (1482) | Won 2-0 | +171542 |
| top | average opponent: 1476record: 5-4 | new rating: 1542 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2089 | Gouda, Fumito (1473) | Lost 1-2 | -201542 |
| 2sealed | 2355 | Takahashi, Daichi (1483) | Lost 1-2 | -191523 |
| 3sealed | 2436 | Ishikawa, Akihumi (1463) | Won 2-0 | +171540 |
| 4sealed | 2346 | Sakurai, Taiki (1489) | Lost 1-2 | -191521 |
| 5sealed | 2356 | Nakahashi, Yoshihiro (1429) | Won 2-0 | +161537 |
| 6sealed | 2294 | Kibayashi, Yuto (1485) | Won 2-1 | +171554 |
| 7sealed | 2218 | Kaneko, Junpei (1485) | Lost 1-2 | -191535 |
| 8sealed | 2175 | Hinohara, Toyokazu (1349) | Won 2-0 | +151550 |
| 9sealed | 2125 | Li, Thaksin (1468) | Lost 0-2 | -201530 |
| top | average opponent: 1458record: 4-5 | new rating: 1530 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 138 | Ookawa, Takumi (1528) | Won 2-0 | +161605 |
| 2sealed | 113 | Morii, Takayuki (1434) | Lost 1-2 | -211584 |
| 3sealed | 389 | Tubouchi, Keita (1468) | Won 2-0 | +161600 |
| 4sealed | 296 | Aoki, Shougo (1507) | Lost 1-2 | -191581 |
| 5sealed | 298 | Suzuki, Shinya (1539) | Lost 1-2 | -191562 |
| top | average opponent: 1495record: 2-3 | new rating: 1562 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1601 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 109 | Takeda, Koji (1478) | Won 2-0 | +161617 |
| 2modern | 142 | Itou, Motoki (1462) | Lost 1-2 | -211596 |
| 3modern | 273 | Morales, Lucas (1505) | Lost 1-2 | -201576 |
| 4modern | 493 | Suganuma, Takeshi (1399) | Won 2-0 | +151591 |
| 5modern | 258 | Satou, Takashi (1565) | Won 2-1 | +181609 |
| 6modern | 353 | Natsume, Takuya (1494) | Lost 0-2 | -201589 |
| top | average opponent: 1484record: 3-3 | new rating: 1589 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 159 | Fujita, Chikara (1500) | Won 2-0 | +181519 |
| 2standard | 111 | Yuki, Ryosuke (1482) | Won 2-0 | +181537 |
| 3standard | 41 | Murae, Ryuji (1769) | Won 2-1 | +221559 |
| 4standard | 64 | Okano, Toshiya (1558) | Won 2-0 | +181577 |
| 5standard | 48 | Kurahashi, Hironori (1576) | Won 2-0 | +181595 |
| 6standard | 5 | Kobayashi, Akihiro (1562) | Won 2-0 | +171612 |
| 7standard | 1 | Nitta, Yuki (1699) | Won 2-1 | +201632 |
| 8standard | 5 | Cho, Bu-Hong (1703) | Won 2-1 | +191651 |
| 9standard | 146 | Mochiki, Kazuto (1664) | Lost 0-2 | -181633 |
| 10standard | 22 | Yamagishi, Tetsuya (1593) | Lost 0-2 | -181615 |
| 11standard | 28 | Ikawa, Yoshihiko (1845) | Lost 0-2 | -141601 |
| 12standard | 83 | Yamada, Toshihiro (1581) | Won 2-1 | +171618 |
| 13standard | 58 | Saitou, Ryuuga (1599) | Won 2-0 | +181636 |
| 14standard | 28 | Abe, Motoki (1725) | Lost 1-2 | -161620 |
| 15standard | 53 | Inoue, Shinta (1587) | Lost 0-2 | -191601 |
| top | average opponent: 1630record: 10-5 | new rating: 1601 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1029 | Yamazaki, Daisuke 392 (1500) | Won 2-1 | +181518 |
| 2sealed | 919 | Nishikawa, Tomoya (1597) | Lost 1-2 | -171501 |
| 3sealed | 1070 | Seko, Kazuki (1505) | Won 2-0 | +191520 |
| 4sealed | 887 | Naoya, Nishihara (1519) | Won 2-1 | +171537 |
| 5sealed | 782 | Matsui, Hisataka (1591) | Lost 0-2 | -171520 |
| 6sealed | 817 | Ishii, Taiyo (1458) | Lost 0-2 | -191501 |
| top | average opponent: 1528record: 3-3 | new rating: 1501 | ||