Matsumoto, Naoya
Current rating: 1515
Record: 32-29-5
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 565 | Uotsu, Atsushi (1422) | Draw 1-1 | -11498 |
| 2sealed | 544 | Tani, Daiki (1501) | Lost 0-2 | -181480 |
| 3sealed | 977 | Takada, Mituhiro (1479) | Won 2-1 | +181498 |
| 4sealed | 762 | Fukuda, Junpei (1433) | Draw 1-1 | -11497 |
| 5sealed | 854 | Nenninger, Bernd (1502) | Won 2-1 | +181515 |
| top | average opponent: 1467record: 2-1-2 | new rating: 1515 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 658 | Kidera, Seita (1738) | Lost 1-2 | -141521 |
| 2standard | 855 | Yanagisawa, Makoto (1393) | Won 2-0 | +161537 |
| 3standard | 701 | Sakai, Toshinori (1677) | Lost 1-2 | -161521 |
| 4standard | 884 | Tanizaki, Masakazu (1481) | Lost 1-2 | -191502 |
| 5standard | 930 | Horita, Yoshiteru (1464) | Won 2-1 | +181520 |
| 6standard | 816 | Yamazaki, Shigeru (1510) | Lost 1-2 | -181502 |
| 7standard | 755 | Kanda, Shigeru (1366) | Won 2-0 | +151517 |
| 8standard | 677 | Wang, Weiliang (1539) | Lost 0-2 | -181499 |
| top | average opponent: 1521record: 3-5 | new rating: 1499 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 71 | Matsumoto, Yuuki (1454) | Won 2-0 | +161575 |
| 2sealed | 178 | Itou, Takanori (1663) | Lost 1-2 | -161559 |
| 3sealed | 717 | Oohusa, Ryohei (1476) | Lost 1-2 | -201539 |
| 4sealed | 858 | Hama, Shunsuke (1356) | Won 2-0 | +151554 |
| 5sealed | 840 | Yoshida, Sho (1500) | Won 2-0 | +171571 |
| 6sealed | 685 | Yutaka, Ryohei (1679) | Lost 0-2 | -161555 |
| 7sealed | 741 | Satonaka, Kentarou (1471) | Lost 1-2 | -201535 |
| top | average opponent: 1514record: 3-4 | new rating: 1535 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 373 | Komine, Syunsuke (1428) | Lost 0-2 | -211591 |
| 2standard | 1275 | Umezawa, Hitoshi (1439) | Lost 0-2 | -211570 |
| 3standard | 1644 | Yoshida, Kazuhiro (1412) | Draw 1-1 | -31567 |
| 4standard | 1511 | Hamada, Akihisa (1466) | Won 2-0 | +161583 |
| 5standard | 1295 | Kiura, Tatsuya (1480) | Draw 1-1 | -21581 |
| 6standard | 1353 | Ikeda, Kengo (1457) | Draw 1-1 | -21579 |
| 7standard | 1226 | Obata, Ken (1460) | Lost 1-2 | -201559 |
| top | average opponent: 1449record: 1-3-3 | new rating: 1559 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1652 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 589 | Morizane, Hitoshi (1356) | Won 2-0 | +131665 |
| 2sealed | 315 | Tomomizu, Takuya (1479) | Won 2-0 | +151680 |
| 3sealed | 67 | Yamada, Ryuichiro (1794) | Won 2-1 | +201700 |
| 4sealed | 282 | Kuwata, Tikara (1623) | Lost 1-2 | -191681 |
| 5sealed | 299 | Iwakura, Tatsuro (1714) | Won 2-0 | +181699 |
| 6sealed | 173 | Takemoto, Shintarou (1543) | Lost 1-2 | -211678 |
| 7sealed | 442 | Oonishi, Ryuuhei (1506) | Lost 0-2 | -211657 |
| 8sealed | 425 | Yohara, Tosho (1511) | Won 2-1 | +161673 |
| 9sealed | 382 | Sone, Shuhei (1605) | Won 2-1 | +161689 |
| 10draft | 328 | Kamoi, Ryo (1610) | Lost 1-2 | -191670 |
| 11draft | 219 | Kawaguchi, Kyouhei (1756) | Lost 0-2 | -171653 |
| 12draft | 322 | Ishisaka, Hajime (1524) | Lost 1-2 | -201633 |
| 13draft | 162 | Fujimoto, Ko (1504) | Won 2-0 | +161649 |
| 14draft | 140 | Mashimo, Ryuuya (1625) | Lost 1-2 | -191630 |
| 15draft | 117 | Saito, Tomoya (1614) | Lost 0-2 | -181612 |
| top | average opponent: 1584record: 7-8 | new rating: 1612 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1564 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 73 | Arai, Yoshimi (1292) | Won 2-0 | +131577 |
| 2standard | 276 | Suzuki, Issei (1518) | Won 2-1 | +171594 |
| 3standard | 124 | Ogata, Kenji (1433) | Won 2-0 | +151609 |
| 4standard | 88 | Nakatani, Hiroki (1563) | Won 2-1 | +171626 |
| 5standard | 82 | Utsunomiya, Takumi (1582) | Won 2-0 | +171643 |
| 6standard | 37 | Oiso, Kenji (1713) | Lost 0-2 | -161627 |
| 7standard | 118 | Harada, Masao (1545) | Lost 1-2 | -201607 |
| 8standard | 326 | Shin, Jong-Ho (1615) | Won 2-1 | +181625 |
| 9standard | 219 | Anan, Kazuyoshi (1678) | Won 2-1 | +191644 |
| 10standard | 65 | Suzuike, Fumiyasu (1809) | Lost 1-2 | -151629 |
| 11standard | 121 | Kamioka, Masayuki (1623) | Won 2-0 | +181647 |
| 12standard | 89 | Ohno, Isao (1666) | Lost 1-2 | -181629 |
| 13standard | 115 | Nagami, Youichi (1801) | Won 2-1 | +211650 |
| 14standard | 92 | Tanaka, Akira (1721) | Lost 1-2 | -161634 |
| 15standard | 109 | Ohnishi, Jyunpei (1671) | Won 2-0 | +181652 |
| top | average opponent: 1615record: 10-5 | new rating: 1652 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 12 | Uzawa, Yuichi (1500) | Won 2-0 | +181518 |
| 2standard | 170 | Taniguchi, Yuki (1555) | Won 2-1 | +191537 |
| 3standard | 71 | Yuuki M., (1532) | Won 2-1 | +181555 |
| 4standard | 36 | Nishimori, Takashi (1626) | Won 2-1 | +191574 |
| 5standard | 20 | Yasooka, Shota (2106) | Lost 0-2 | -91565 |
| 6standard | 89 | Yamasaki, Rintarou (1544) | Lost 0-2 | -191546 |
| 7standard | 134 | Tanahashi, Hirofumi (1465) | Won 2-1 | +171563 |
| 8standard | 107 | Miyata, Yuuya (1558) | Lost 0-2 | -181545 |
| 9standard | 105 | Ooneda, Yoshihiro (1596) | Won 2-0 | +191564 |
| top | average opponent: 1609record: 6-3 | new rating: 1564 | ||