Isogami, Kazuma
Current rating: 1599
Record: 40-38
| Regional Championships Aichi 2022 (pioneer) | starting rating: 1598 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 94 | Yamashita, Kazuki (1504) | Won 2-0 | +171615 |
| 2pioneer | 39 | Yoshimori, Sho (1609) | Lost 1-2 | -191596 |
| 3pioneer | 74 | Miyawaki, Takeshi (1630) | Won 2-0 | +191615 |
| 4pioneer | 34 | Ushio, Atsushi (1718) | Won 2-1 | +201635 |
| 5pioneer | 28 | Ogasawara, Tomoaki (1697) | Lost 0-2 | -171618 |
| 6pioneer | 46 | Kondo, Shogo (1535) | Lost 1-2 | -191599 |
| top | average opponent: 1615record: 3-3 | new rating: 1599 | ||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 68 | Estes, Sean (1447) | Won 2-0 | +171551 |
| 2modern | 264 | Ervin, Gregory (1497) | Won 2-1 | +171568 |
| 3modern | 257 | Gaines, Tyler Jo (1604) | Won 2-1 | +181586 |
| 4modern | 134 | Oien, Christopher (1849) | Won 2-0 | +231609 |
| 5modern | 28 | Guerra, Ricardo [MEX] (1646) | Lost 0-2 | -171592 |
| 6modern | 185 | Olgado, Raymond (1540) | Won 2-0 | +171609 |
| 7modern | 82 | Blue, Vivienne (1775) | Lost 1-2 | -151594 |
| 8modern | 177 | Deng, Dezhong (1770) | Won 2-1 | +211615 |
| 9modern | 56 | DeNatale, Nicholas (1570) | Won 2-1 | +171632 |
| 10modern | 2051 | Paton, Jon (1792) | Lost 1-2 | -151617 |
| 11modern | 2093 | Belateche, Zachary (1528) | Won 2-0 | +161633 |
| 12modern | 2091 | Bradford, William (1676) | Lost 0-2 | -171616 |
| 13modern | 2078 | Roti Roti, Joseph (1657) | Won 2-0 | +191635 |
| 14modern | 2054 | Van Dyk, Scott (1540) | Lost 1-2 | -201615 |
| 15modern | 2097 | Holmberg, David (1677) | Lost 1-2 | -171598 |
| top | average opponent: 1638record: 9-6 | new rating: 1598 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 424 | Matsushita, Takahiro (1642) | Lost 0-2 | -161510 |
| 4standard | 548 | Yang, Ming Jen (1625) | Won 2-0 | +201530 |
| 5standard | 675 | Takimura, Kazuyuki (1861) | Won 2-1 | +241554 |
| 6standard | 396 | Kentarou, Monma (1578) | Lost 1-2 | -181536 |
| 7standard | 539 | Iitsuka, Yuuki (1504) | Lost 0-2 | -181518 |
| 8standard | 802 | Soma, Mitsuyoshi (1469) | Won 2-1 | +171535 |
| 9standard | 473 | Soma, Kosuke (1508) | Won 2-1 | +171552 |
| 10standard | 466 | Satou, Naoki (Chiba) (1554) | Lost 0-2 | -181534 |
| top | average opponent: 1593record: 4-4 | new rating: 1534 | ||
| Grand Prix Lille 2015 (legacy) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 359 | Dachary, Damien (1463) | Won 2-0 | +171543 |
| 2legacy | 214 | Dominiak, Nicolas (1395) | Won 2-1 | +161559 |
| 3legacy | 92 | Aurejac, Alexandre (1804) | Lost 1-2 | -141545 |
| 4legacy | 324 | lognard, xavier (1474) | Lost 0-2 | -191526 |
| top | average opponent: 1534record: 2-2 | new rating: 1526 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 43 | Chang, Yu-Chia (1576) | Won 2-1 | +171604 |
| 5sealed | 64 | Yang, Chiu Yi (1567) | Lost 0-2 | -181586 |
| 6sealed | 116 | Songkwamcharoen, Pech (1412) | Lost 1-2 | -211565 |
| 7sealed | 167 | Zheng, Dongdong (1508) | Lost 1-2 | -191546 |
| 8sealed | 188 | Chen, Li (1481) | Lost 1-2 | -201526 |
| top | average opponent: 1509record: 1-4 | new rating: 1526 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 126 | Hassaku, Jinpei (1728) | Lost 0-2 | -151540 |
| 5standard | 202 | Oosaki, Masakazu (1468) | Won 2-1 | +171557 |
| 6standard | 107 | Usui, Toru (1580) | Won 2-0 | +181575 |
| 7standard | 28 | Miller, Derek (1589) | Won 2-1 | +191594 |
| 8standard | 54 | Oohashi, Toshiya (1705) | Won 2-1 | +201614 |
| 9standard | 11 | Mizutani, Yosuke (1737) | Lost 0-2 | -161598 |
| 10standard | 69 | Mitoma, Koji (1581) | Won 2-0 | +171615 |
| 11standard | 26 | Bachman, Cameron (1574) | Lost 0-2 | -181597 |
| 12standard | 59 | Tsujikawa, Taiga (1667) | Won 2-0 | +191616 |
| 13standard | 44 | Tsuchiya, Hideaki (1741) | Lost 0-2 | -161600 |
| 14standard | 39 | Kawakami, Hiroshi (1845) | Lost 0-2 | -131587 |
| top | average opponent: 1656record: 6-5 | new rating: 1587 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 710 | Ohtsuka, Youhei (1535) | Lost 1-2 | -181556 |
| 4sealed | 927 | Hiraga, Masahiro (1680) | Lost 0-2 | -161540 |
| 5sealed | 960 | Kozaki, Yosuke (1481) | Won 2-0 | +171557 |
| 6sealed | 857 | Nakamura, Masato (1520) | Won 2-1 | +171574 |
| 7sealed | 745 | Tanigaki, Toshiyuki (1510) | Lost 1-2 | -191555 |
| top | average opponent: 1545record: 2-3 | new rating: 1555 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 115 | Shibafuji, Kazuki (1533) | Won 2-1 | +181521 |
| 4standard | 117 | Onizuka, Makoto (1538) | Won 2-1 | +191540 |
| 5standard | 91 | Ino, Kentaro (1841) | Won 2-1 | +231563 |
| 6standard | 39 | Honnami, Tomoyuki (1774) | Lost 0-2 | -141549 |
| 7standard | 71 | Mori, Mitsuhiro (1532) | Lost 0-2 | -191530 |
| 8standard | 192 | Mizuno, Tatsurou (1535) | Won 2-0 | +181548 |
| 9standard | 64 | Ohno, Isao (1663) | Won 2-0 | +211569 |
| 11standard | 44 | Mamiya, Takumi (1546) | Won 2-1 | +171586 |
| 12standard | 11 | Okada, Naoya (1550) | Won 2-1 | +171603 |
| 13standard | 15 | Nitta, Yuki (1659) | Won 0-0 | +191622 |
| 14standard | 9 | Endo, Ryota (1893) | Lost 1-2 | -131609 |
| 15standard | 23 | Fujii, Masahiro (1653) | Lost 0-2 | -171592 |
| 16standard | 31 | Jeong, Ki Myoung (1610) | Lost 0-2 | -181574 |
| top | average opponent: 1641record: 8-5 | new rating: 1574 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 244 | Hattori, Yutaka (1508) | Lost 1-2 | -171458 |
| 4modern | 428 | Aoki, Ryoya (1499) | Won 2-1 | +191477 |
| 5modern | 129 | Yokomizo, Gouki (1466) | Won 2-1 | +171494 |
| 6modern | 152 | Tashiro, Kouichi (1716) | Lost 1-2 | -141480 |
| 7modern | 220 | Okada, Takuya (1627) | Won 2-1 | +211501 |
| 8modern | 176 | Hasegawa, Shinya (1542) | Won 2-1 | +191520 |
| 9modern | 97 | Hata, Hideaki (1564) | Lost 1-2 | -171503 |
| top | average opponent: 1560record: 4-3 | new rating: 1503 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 215 | Deuitch, Lorne (1491) | Lost 0-2 | -181482 |
| 3sealed | 296 | Kuroda, Masashiro (2039) | Lost 1-2 | -91473 |
| 4sealed | 436 | Katagiri, Shinichi (1592) | Won 2-0 | +201493 |
| 5sealed | 330 | Satou, Kento (1501) | Lost 1-2 | -181475 |
| top | average opponent: 1656record: 1-3 | new rating: 1475 | ||