Matsumura, Keisuke
Current rating: 1501
Record: 18-19
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 245 | Tukui, Tomoki (1500) | Won 2-0 | +181540 |
| 2standard | 103 | Hayakawa, Yutaka (1432) | Won 2-1 | +161556 |
| 3standard | 620 | Watanabe, Yuuki (1439) | Lost 1-2 | -201536 |
| 4standard | 389 | Shibayama, Hayato (1337) | Lost 1-2 | -221514 |
| 5standard | 825 | Yoshida, Kenichiro (1531) | Won 2-1 | +181532 |
| 6standard | 767 | Nitta, Yuki (1636) | Lost 0-2 | -161516 |
| 7standard | 757 | Yamamoto, Takahiro (1647) | Lost 0-2 | -151501 |
| top | average opponent: 1503record: 3-4 | new rating: 1501 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Hasizume, Shoutarou (1446) | Lost 1-2 | -181473 |
| 2standard | 1146 | Inoue, Yuusuke (1662) | Lost 0-2 | -151458 |
| 3standard | 1532 | Makita, Wataru (1463) | Won 2-1 | +181476 |
| 4standard | 1228 | Ogata, Kenji (1395) | Lost 1-2 | -191457 |
| 5standard | 1474 | Kawamoto, Ryouhei (1415) | Won 2-1 | +171474 |
| 6standard | 1134 | Higashimori, Kazunori (1454) | Won 2-1 | +181492 |
| 7standard | 943 | Ogino, Genki (1468) | Won 2-1 | +171509 |
| 8standard | 843 | Yajima, Tomohide (1523) | Won 2-0 | +181527 |
| 9standard | 636 | Kurata, Yoshihiko (1544) | Won 2-0 | +191546 |
| 10standard | 323 | Wada, Yuki (1783) | Lost 0-2 | -141532 |
| 11standard | 368 | Sugimura, Yoshiyasu (1664) | Won 2-1 | +201552 |
| 12standard | 300 | Mizumoto, Hirotaka (1561) | Lost 1-2 | -181534 |
| 13standard | 332 | Shin, Jong-Ho (1622) | Lost 1-2 | -161518 |
| 14standard | 298 | Maeyama, Yuuhei (1499) | Won 2-1 | +181536 |
| 15standard | 271 | Kawamura, Kazushi (1773) | Lost 0-2 | -141522 |
| top | average opponent: 1551record: 8-7 | new rating: 1522 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 54 | Shimoyama, Kazuma (1446) | Won 2-1 | +181468 |
| 2standard | 338 | Zaizen, Kengo (1518) | Won 2-1 | +191487 |
| 3standard | 464 | Nishidome, Keitarou (1510) | Lost 0-2 | -171470 |
| 4standard | 736 | Homma, Akira (1502) | Lost 1-2 | -181452 |
| 5standard | 634 | Fukuoka, Sou (1581) | Lost 1-2 | -161436 |
| 6standard | 837 | Nakao, Tatsuo (1486) | Won 2-1 | +191455 |
| 7standard | 630 | Omura, Hajime (1503) | Won 2-1 | +191474 |
| 8standard | 430 | Hiroi, Genki (1435) | Won 2-1 | +171491 |
| top | average opponent: 1498record: 5-3 | new rating: 1491 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 436 | Kashima, Akihiro (1699) | Won 2-0 | +221522 |
| 2extended | 140 | Kiuchi, Satoru (1462) | Lost 0-2 | -191503 |
| 3extended | 175 | Nakamura, Ryouta (1500) | Lost 0-2 | -191484 |
| 4extended | 456 | Yamazaki, Hiroki (1565) | Lost 1-2 | -161468 |
| 5extended | 396 | Araki, Youhei (1494) | Lost 0-2 | -181450 |
| 6extended | 361 | Hase, Shun (1444) | Lost 1-2 | -181432 |
| 7extended | 287 | Fujiyama, Ryuuichi (1432) | Won 2-1 | +181450 |
| top | average opponent: 1514record: 2-5 | new rating: 1450 | ||