Komatsu, Isamu
Current rating: 1578
Record: 38-33-1
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1620 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 124 | Yao, Zhang (1446) | Won 2-1 | +141634 |
| 2sealed | 490 | Schiber, Christopher (1812) | Lost 0-2 | -141620 |
| 3sealed | 713 | Shibata, Yuuya (1404) | Lost 0-2 | -221598 |
| 4sealed | 833 | Lee, Hyukjeong (1483) | Lost 0-2 | -201578 |
| top | average opponent: 1536record: 1-3 | new rating: 1578 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 707 | Sun, Yu (1558) | Won 2-0 | +191542 |
| 2sealed | 157 | Fujioka, Naoya (1555) | Lost 0-2 | -181524 |
| 3sealed | 703 | Tsuchiya, Mihoko (1495) | Lost 1-2 | -181506 |
| 4sealed | 815 | Hirayama, Atsushi (1694) | Won 2-1 | +211527 |
| 5sealed | 895 | Aoki, Toshihito (1417) | Won 2-1 | +161543 |
| 6sealed | 467 | Kaido, Yoshiaki (1386) | Won 2-1 | +151558 |
| 7sealed | 431 | Ookura, Yasuhiro (1538) | Won 2-0 | +181576 |
| 8sealed | 281 | Chen, Edward (1713) | Won 2-1 | +201596 |
| 9sealed | 173 | Kubo, Hirotaka (1611) | Won 2-1 | +181614 |
| 10draft | 674 | Izumi, Hikaru (1785) | Lost 0-2 | -141600 |
| 11draft | 666 | Takeshita, Yuuki (1527) | Lost 0-2 | -201580 |
| 12draft | 628 | Fujimoto, Shun (1571) | Won 2-1 | +181598 |
| 13draft | 582 | Fukuhara, Asumu (1533) | Won 2-1 | +171615 |
| 14draft | 578 | Mak, Wai Hou (1784) | Lost 0-2 | -151600 |
| 15draft | 573 | Shimoyama, Masatoshi (1685) | Won 2-0 | +201620 |
| top | average opponent: 1590record: 10-5 | new rating: 1620 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 97 | Hirabayashi, Kazuya (1760) | Won 2-0 | +231522 |
| 2modern | 30 | Deng, Yunan (1552) | Lost 1-2 | -181504 |
| 3modern | 876 | Kamo, Kyouhei (1502) | Won 2-0 | +181522 |
| 4modern | 692 | Baba, Yasunori (1748) | Lost 1-2 | -141508 |
| 5modern | 902 | Takasawa, Yuuki (1552) | Won 2-1 | +191527 |
| 6modern | 775 | Takei, Masaya (1497) | Won 2-0 | +181545 |
| 7modern | 330 | Moriyama, Masahide (1491) | Lost 0-2 | -191526 |
| 8modern | 571 | Saito, Daisuke 5754 (1519) | Won 2-0 | +171543 |
| 9modern | 507 | Matsumoto, Masaya (1420) | Lost 0-2 | -201523 |
| top | average opponent: 1560record: 5-4 | new rating: 1523 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 514 | Sugizaki, Shunsuke (1578) | Lost 0-2 | -171545 |
| 2standard | 760 | Shamoto, Takumi (1482) | Won 2-0 | +161561 |
| 3standard | 969 | Okuhara, Yuuki (1486) | Lost 1-2 | -191542 |
| 4standard | 1125 | Tezuka, Takatomo (1453) | Lost 0-2 | -201522 |
| 5standard | 1122 | Hasegawa, Shinpei (1413) | Won 2-0 | +161538 |
| 6standard | 1031 | Saito, Yuta (1412) | Lost 0-2 | -201518 |
| 7standard | 1013 | Ooisi, Yasuhide (1465) | Lost 1-2 | -191499 |
| top | average opponent: 1470record: 2-5 | new rating: 1499 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 86 | Abe, Mitsuo (1500) | Won 2-0 | +171559 |
| 2legacy | 131 | Yamazaki, Kotaro (1522) | Lost 0-2 | -191540 |
| 3legacy | 899 | Terauchi, Yutaro (1449) | Won 2-0 | +171557 |
| 4legacy | 628 | Iwagaki, Takumi (1500) | Won 2-0 | +171574 |
| 5legacy | 514 | Mondello, Jake (1920) | Lost 0-2 | -121562 |
| 6legacy | 609 | Izu, Yuuya (1496) | Won 2-1 | +161578 |
| 7legacy | 245 | Lin, Chen-Fu (1465) | Lost 1-2 | -201558 |
| 8legacy | 445 | Hayashi, Hisaaki (1503) | Won 2-1 | +171575 |
| 9legacy | 492 | Juumonji, Ryou (1844) | Lost 1-2 | -131562 |
| top | average opponent: 1578record: 5-4 | new rating: 1562 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 622 | Ikuta, Kazuya (1579) | Won 2-1 | +191543 |
| 2sealed | 145 | Mizutani, Yuki (1482) | Won 2-1 | +171560 |
| 3sealed | 57 | Hayashi, Yuta (1477) | Won 2-1 | +171577 |
| 4sealed | 242 | Takashima, Ryouhei (1554) | Lost 0-2 | -191558 |
| 5sealed | 218 | Kawaguchi, Tetsuo (1494) | Lost 1-2 | -191539 |
| 6sealed | 667 | Yoshii, Takayuki (1617) | Won 2-1 | +191558 |
| 7sealed | 446 | Kubo, Hirotaka (1518) | Lost 0-2 | -181540 |
| 8sealed | 633 | Koike, Tomoyuki (1471) | Lost 0-2 | -201520 |
| 9sealed | 551 | Nakamura, Junya (1703) | Won 2-1 | +221542 |
| top | average opponent: 1544record: 5-4 | new rating: 1542 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 378 | Taira, Masashi (1500) | Lost 1-2 | -191501 |
| 2sealed | 387 | Sasaki, Shin (1449) | Won 2-0 | +171518 |
| 3sealed | 390 | Itou, Masayoshi (1520) | Lost 0-2 | -181500 |
| 4sealed | 419 | Kanda, Shigeru (1485) | Won 2-1 | +181518 |
| 5sealed | 401 | Miyawaki, Takayuki (1435) | Lost 1-2 | -191499 |
| 6sealed | 373 | Nakasato, Hiroki (1263) | Won 2-1 | +131512 |
| 7sealed | 245 | Suzuki, Takahisa (1418) | Won 2-1 | +171529 |
| 8sealed | 193 | Houjo, Chihiro (1287) | Won 2-0 | +131542 |
| 9sealed | 122 | Izumi, Taiki (1534) | Lost 0-2 | -181524 |
| top | average opponent: 1432record: 5-4 | new rating: 1524 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 708 | Kojima, Daiki (1469) | Lost 0-2 | -191520 |
| top | record: 0-1 | new rating: 1520 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 943 | Okayama, Hironori (1434) | Draw 1-1 | -11499 |
| 2sealed | 856 | Asazuma, Haruki (1502) | Lost 1-2 | -181481 |
| 3sealed | 1055 | Winward-Stuart, K. (1481) | Won 2-1 | +181499 |
| 4sealed | 950 | Murakoshi, Takafumi (1498) | Won 2-1 | +181517 |
| 5sealed | 836 | Takasugi, Tomoki (1533) | Won 2-0 | +181535 |
| 6sealed | 751 | Mochizuki, Katsuhiko (1472) | Won 2-1 | +171552 |
| 7sealed | 691 | Kokubun, Hiroshi (1651) | Lost 0-2 | -161536 |
| 8sealed | 752 | Tomomizu, Takuya (1465) | Won 2-1 | +161552 |
| 9sealed | 703 | Wong, Wei Quan (1808) | Lost 0-2 | -131539 |
| top | average opponent: 1538record: 5-3-1 | new rating: 1539 | ||