Nanamori, Kouhei
Current rating: 1707 (#6083)
Record: 39-24-2
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1707 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 356 | Kiyonaga, Sho (1560) | Won 2-1 | +161723 |
| 2pioneer | 54 | Ikai, Hironobu (1517) | Lost 1-2 | -221701 |
| 3pioneer | 676 | Hasegawa, Koki (1468) | Won 2-1 | +141715 |
| 4pioneer | 371 | Ohshiro, Syusaku (1709) | Lost 1-2 | -181697 |
| 5pioneer | 560 | Nakajima, Shuhei (1414) | Won 2-0 | +131710 |
| 6pioneer | 444 | Iwaki, Yuta (1527) | Won 2-0 | +141724 |
| 7pioneer | 251 | Aoki, Yoshitsugu (1748) | Lost 1-2 | -171707 |
| top | average opponent: 1563record: 4-3 | new rating: 1707 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1690 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 194 | Itamura, Hirohide (1556) | Won 2-1 | +151705 |
| 4modern | 101 | Chen, Steven (1481) | Won 2-0 | +141719 |
| 5modern | 144 | Tsubouchi, Tomoya (1717) | Won 2-0 | +181737 |
| 6modern | 21 | Inoe, Daisuke 0157 (1593) | Won 2-1 | +161753 |
| 7modern | 13 | Kitagawa, Yuta (1657) | Won 2-1 | +161769 |
| 8modern | 14 | Ootani, Nobuhiro (1751) | Won 2-1 | +181787 |
| 9modern | 2 | Shin, Jong-Ho (1664) | Lost 0-2 | -211766 |
| 10modern | 33 | Lee, Kun-Hsin (1638) | Lost 0-2 | -201746 |
| 11modern | 88 | Natsume, Takuya (1716) | Lost 1-2 | -191727 |
| 12modern | 181 | Segou, Kenji (1607) | Lost 0-2 | -201707 |
| top | average opponent: 1638record: 6-4 | new rating: 1707 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1629 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 696 | O'Brien, Sean (1487) | Lost 1-2 | -211608 |
| 2legacy | 796 | Imai, Yoshihisa (1407) | Won 2-0 | +141622 |
| 3legacy | 1003 | Muneishi, Hideaki (1480) | Lost 0-2 | -201602 |
| 4legacy | 1036 | Yamaya, Hiroki (1379) | Won 2-0 | +141616 |
| 5legacy | 861 | Ootsubo, Tsubasa (1551) | Won 2-0 | +171633 |
| 6legacy | 382 | Tateno, Takayuki (1593) | Won 2-0 | +171650 |
| 7legacy | 413 | Ishikawa, Yuki (1535) | Won 2-0 | +161666 |
| 8legacy | 195 | Takano, Shigeki (1589) | Lost 1-2 | -201646 |
| 9legacy | 393 | Shun, Aoki (1547) | Won 2-0 | +171663 |
| 10legacy | 295 | Ito, Takayuki (1459) | Won 2-0 | +141677 |
| 11legacy | 228 | Saso, Kazuho (1583) | Lost 0-2 | -201657 |
| 12legacy | 251 | Touma, Norihiro (1567) | Won 2-1 | +171674 |
| 13legacy | 199 | Kamimura, Fumihiro (1655) | Lost 1-2 | -191655 |
| 14legacy | 189 | Noine, Kazuhiro (1615) | Won 2-1 | +181673 |
| 15legacy | 203 | Fukuoka, Sou (1630) | Won 2-0 | +171690 |
| top | average opponent: 1538record: 10-5 | new rating: 1690 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1633 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 72 | Watanabe, Shogo7192 (1500) | Won 2-0 | +161649 |
| 2standard | 97 | Ishida, Ryouhei (1565) | Won 2-0 | +161665 |
| 3standard | 560 | Furuichi, Takenori (1655) | Won 2-0 | +181683 |
| 4standard | 244 | Yoon, Je Yeon (1531) | Lost 1-2 | -211662 |
| 5standard | 485 | Hino, Yoshiaki (1729) | Lost 1-2 | -161646 |
| 6standard | 644 | Nakamura, Atsushi (1698) | Lost 1-2 | -171629 |
| top | average opponent: 1613record: 3-3 | new rating: 1629 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 755 | Haruta, Takatsugu (1347) | Won 2-0 | +151547 |
| 2legacy | 513 | Nagaro, Robert (1517) | Won 2-0 | +171564 |
| 3legacy | 605 | Miyakawa, Toshihiro (1570) | Won 2-0 | +181582 |
| 4legacy | 562 | Morinaga, Yousuke (1582) | Lost 1-2 | -181564 |
| 5legacy | 607 | Ishigami, Youhei (1540) | Won 2-0 | +181582 |
| 6legacy | 599 | Katou, Yuki (1515) | Won 2-1 | +171599 |
| 7legacy | 557 | Fukumoto, Hiroaki (1645) | Won 2-0 | +181617 |
| 8legacy | 527 | Yamamoto, Kazuhide (1496) | Won 2-0 | +161633 |
| 9legacy | 519 | Tholance, Nicolas (1524) | Lost 0-2 | -201613 |
| 10legacy | 41 | Kawabata, Yuji (1577) | Won 2-1 | +181631 |
| 11legacy | 55 | Takeishi, Kouji (1738) | Lost 1-2 | -161615 |
| 12legacy | 69 | Clark, Anthonlee (1537) | Won 2-0 | +161631 |
| 13legacy | 54 | Yasuda, Masayuki (1834) | Draw 1-1 | +41635 |
| 14legacy | 44 | Suzuki, Ryuuichi (1549) | Lost 1-2 | -201615 |
| 15legacy | 65 | Oonishi, Takahisa (1622) | Won 2-1 | +181633 |
| top | average opponent: 1573record: 10-4-1 | new rating: 1633 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 215 | Suzaki, Motomichi (1500) | Lost 0-2 | -171447 |
| 2modern | 471 | Masatoki, Takuma (1426) | Won 2-1 | +181465 |
| 3modern | 402 | Yomura, Shuta (1505) | Won 2-0 | +181483 |
| 4modern | 204 | Kitayama, Masaya (1929) | Won 2-0 | +261509 |
| 5modern | 204 | Isayama, Yusuke (1561) | Lost 0-2 | -171492 |
| 6modern | 315 | Ishizaki, Ryousuke (1534) | Won 2-0 | +191511 |
| 7modern | 245 | En, Seiu (1538) | Won 2-1 | +181529 |
| 8modern | 108 | Sonobe, Keishi (1605) | Won 2-0 | +201549 |
| 9modern | 114 | Yanase, Kaname (1621) | Lost 1-2 | -171532 |
| top | average opponent: 1580record: 6-3 | new rating: 1532 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 49 | Gotou, Setsuya (1500) | Draw 1-1 | 01500 |
| 2standard | 419 | Machida, Kenji (1493) | Lost 0-2 | -181482 |
| 3standard | 658 | Yuusuke Y., (1513) | Lost 1-2 | -181464 |
| top | average opponent: 1502record: 0-2-1 | new rating: 1464 | ||