Matsumoto, Akihiro
Current rating: 1752 (#3808)
Record: 50-30-1
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1749 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 644 | Tse, Cloudy (1500) | Won 2-0 | +141763 |
| 2standard | 193 | Mihara, Yuki (1561) | Lost 1-2 | -221741 |
| 3standard | 818 | Choumura, Shoui (1498) | Lost 0-2 | -221719 |
| 4standard | 998 | Akita, Ryosuke (1460) | Won 2-0 | +131732 |
| 5standard | 640 | Kurashina, Go (1435) | Won 2-1 | +131745 |
| 6standard | 475 | Saito, Tomoe (1392) | Won 2-0 | +121757 |
| 7standard | 547 | Tsujii, Shoichi (1454) | Lost 1-2 | -241733 |
| 8standard | 548 | Tsuchihashi, Takuya (1758) | Won 2-1 | +191752 |
| top | average opponent: 1507record: 5-3 | new rating: 1752 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1784 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 778 | Hashiguchi, Ryushiro (1500) | Lost 1-2 | -231761 |
| 2sealed | 662 | Nakasato, Hiroki (1256) | Won 2-0 | +91770 |
| 3sealed | 823 | Okada, Hajime (1394) | Won 2-0 | +111781 |
| 4sealed | 357 | Yoshida, Kei (1467) | Lost 0-2 | -231758 |
| 5sealed | 890 | Yamamoto, Keita (1501) | Won 2-0 | +131771 |
| 6sealed | 414 | Ishii, Kenta (1537) | Lost 1-2 | -221749 |
| top | average opponent: 1442record: 3-3 | new rating: 1749 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1678 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 210 | Beppu, Yoshihiro (1389) | Won 2-1 | +121690 |
| 2sealed | 407 | Hagiwara, Noriyuki (1757) | Won 2-0 | +201710 |
| 3sealed | 159 | Cabrera, Leandro (1663) | Lost 1-2 | -191691 |
| 4sealed | 390 | Murata, Tomoaki (1546) | Won 2-1 | +151706 |
| 5sealed | 202 | Seah, Danny (1576) | Lost 0-2 | -201686 |
| 6sealed | 505 | Mori, Syuuichi (1446) | Won 2-1 | +141700 |
| 7sealed | 310 | Sochurek, Petr (2032) | Lost 0-2 | -131687 |
| 8sealed | 585 | Tsukamoto, Mitsuru (1757) | Won 2-1 | +201707 |
| 9sealed | 402 | Kondou, Yuusuke (1527) | Won 2-0 | +141721 |
| 10draft | 357 | Inoguchi, Hironobu (1652) | Lost 0-2 | -191702 |
| 11draft | 347 | Ninohira, Yuuya (1452) | Won 2-0 | +141716 |
| 12draft | 73 | Shinhama, Takahiko (1625) | Won 2-0 | +161732 |
| 13draft | 56 | Takaki, Kazunari (1595) | Won 2-1 | +161748 |
| 14draft | 172 | Chuang, Po-Yu (1630) | Won 2-1 | +151763 |
| 15draft | 234 | Moriya, Jun (1882) | Won 2-1 | +211784 |
| top | average opponent: 1635record: 11-4 | new rating: 1784 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1663 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 693 | Yagi, Wataru (1522) | Won 2-0 | +161679 |
| 2standard | 274 | Kaido, Yoshiaki (1368) | Won 2-1 | +121691 |
| 3standard | 92 | Naide, Kazutaka (1897) | Won 2-0 | +221713 |
| 4standard | 200 | Matsumoto, Kazuma (1805) | Won 2-1 | +201733 |
| 5standard | 2 | Iwatou, Kodai (1526) | Won 2-1 | +141747 |
| 6standard | 32 | Honda, Yuji (1676) | Lost 1-2 | -191728 |
| 7standard | 84 | Fusegi, Takanori (1419) | Lost 1-2 | -241704 |
| 8standard | 184 | Takahashi, Jun (1592) | Lost 0-2 | -201684 |
| 9standard | 352 | Yamaji, Shunichi (1592) | Won 2-0 | +161700 |
| 10standard | 310 | Kanegawa, Toshiya (1899) | Lost 0-2 | -141686 |
| 11standard | 347 | Deguchi, Koya (1571) | Won 2-0 | +161702 |
| 12standard | 245 | Masukado, Kenta (1748) | Won 2-0 | +191721 |
| 13standard | 172 | Wang, Zhe xu (1476) | Lost 0-2 | -231698 |
| 14standard | 234 | Zhong, Zhenming (1541) | Lost 0-2 | -201678 |
| top | average opponent: 1617record: 8-6 | new rating: 1678 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 588 | Sugihara, Toshihiro (1771) | Won 2-0 | +221599 |
| 2sealed | 517 | Sasaki, Yusuke 6420 (1482) | Won 2-1 | +161615 |
| 3sealed | 483 | Hirayama, Hideyuki (1623) | Lost 0-2 | -181597 |
| 4sealed | 517 | Abe, Syunsuke (1514) | Lost 1-2 | -201577 |
| 5sealed | 905 | Harane, Kenta (1779) | Lost 0-2 | -141563 |
| 6sealed | 834 | Sato, Hikaru6659 (1481) | Won 2-1 | +161579 |
| 7sealed | 604 | Yoshioka, Kousuke (1483) | Won 2-0 | +171596 |
| 8sealed | 498 | Okuda, Masateru (1464) | Won 2-0 | +151611 |
| 9sealed | 340 | Narisawa, Takuya (1552) | Won 2-1 | +171628 |
| 10draft | 78 | Fujimoto, Ko (1557) | Won 2-0 | +171645 |
| 11draft | 77 | Higuchi, Jun (1670) | Won 2-0 | +181663 |
| 12draft | 73 | Ishii, Hayato (1875) | Lost 1-2 | -141649 |
| 13draft | 57 | Nomura, Takashi (1649) | Won 2-1 | +181667 |
| 14draft | 177 | Fukunaga, Nao (1550) | Won 2-0 | +161683 |
| 15draft | 144 | Sotomura, Yoshihiro (1584) | Lost 0-2 | -201663 |
| top | average opponent: 1602record: 10-5 | new rating: 1663 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 2194 | Yamashita, Yusuke (1533) | Won 2-0 | +181580 |
| 4sealed | 2099 | Kondou, Daisuke (1554) | Lost 0-2 | -191561 |
| 5sealed | 2086 | Date, Shogo (1536) | Won 2-0 | +181579 |
| 6sealed | 2049 | Yoshida, Koki (1550) | Lost 1-2 | -191560 |
| 7sealed | 2134 | Miyake, Yousuke (1579) | Won 2-0 | +191579 |
| 8sealed | 2117 | Senshuu, Yoshinori (1487) | Lost 0-2 | -201559 |
| 9sealed | 2111 | Ota, Masato (1579) | Won 2-0 | +181577 |
| top | average opponent: 1545record: 4-3 | new rating: 1577 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 885 | Yanagawa, Tsubasa (1552) | Won 2-0 | +181545 |
| 2sealed | 609 | Tsukiji, Teruaki (1420) | Won 1-0 | +161561 |
| 3sealed | 747 | Hirose, Yuuki (1662) | Lost 1-2 | -161545 |
| 4sealed | 894 | Nishikawa, Yukihiro (1533) | Won 2-0 | +181563 |
| 5sealed | 692 | Umeyama, Yuuichi (1533) | Lost 0-2 | -191544 |
| 6sealed | 768 | Hokumura, Tatsuro (1428) | Won 2-1 | +161560 |
| 7sealed | 785 | Yoshimori, Sho (1712) | Draw 1-1 | +31563 |
| 8sealed | 755 | Gutsche, Lennart (1493) | Won 2-1 | +171580 |
| 9sealed | 702 | Umehara, Kei (1613) | Lost 0-2 | -181562 |
| top | average opponent: 1550record: 5-3-1 | new rating: 1562 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 33 | Ihara, Akihiro (1406) | Won 2-0 | +161516 |
| 2sealed | 169 | Saito, Tomoya (1669) | Won 2-0 | +211537 |
| 3sealed | 51 | Motomura, Tomoya (1689) | Lost 1-2 | -151522 |
| 4sealed | 144 | Sugiura, Takuya (1535) | Won 2-0 | +181540 |
| 5sealed | 91 | Nagahashi, Sadaaki (1538) | Lost 1-2 | -181522 |
| 6sealed | 159 | Yoshinaga, Mitsuteru (1769) | Won 2-0 | +221544 |
| 7sealed | 176 | Yamamura, Yuma (1578) | Lost 0-2 | -171527 |
| top | average opponent: 1598record: 4-3 | new rating: 1527 | ||