Kobayashi, Kazutaka
Current rating: 1810 (#1959)
Record: 110-86-6
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1704 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 75 | Hayashi, Kenta (1451) | Won 2-0 | +141718 |
| 4pioneer | 107 | Baba, Yukihiro (1676) | Draw 1-1 | -11717 |
| 5pioneer | 103 | Fukuda, Yuuya (1549) | Won 2-0 | +151732 |
| 6pioneer | 54 | Kawamura, Naoki (1507) | Won 2-0 | +141746 |
| 7pioneer | 27 | Fukuoka, Sou (1872) | Won 2-0 | +201766 |
| 8pioneer | 13 | Suganuma, Kathuhiro (1511) | Won 2-1 | +141780 |
| 9pioneer | 7 | Kawano, Junichi (1740) | Won 2-1 | +171797 |
| 10pioneer | 4 | Cho, Jeong Woo (1804) | Won 2-0 | +181815 |
| 11pioneer | 2 | Mune, Kento (1809) | Lost 1-2 | -181797 |
| 12pioneer | 8 | Oiso, Kenji (1859) | Won 2-0 | +191816 |
| 13pioneer | 5 | Ishikawa, Shou (1764) | Lost 1-2 | -191797 |
| 14pioneer | 15 | Konda, Tsuyoshi (1763) | Won 2-1 | +181815 |
| 15pioneer | 9 | Watanabe, Takuya (1569) | Draw 1-1 | -51810 |
| top | average opponent: 1683record: 9-2-2 | new rating: 1810 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1728 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 172 | Tsuzaki, Akira (1582) | Won 2-1 | +151743 |
| 4standard | 192 | Toyooka, Shinichi (1574) | Won 2-0 | +151758 |
| 5standard | 18 | Yamamoto, Ryoichi (1719) | Lost 1-2 | -191739 |
| 6standard | 145 | Sugiyama, Yuu (1742) | Lost 0-2 | -181721 |
| 7standard | 341 | Shimazaki, Ryota (1783) | Lost 0-2 | -171704 |
| top | average opponent: 1680record: 2-3 | new rating: 1704 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1751 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 409 | Kato, Kensuke (1951) | Won 2-1 | +211772 |
| 4sealed | 24 | Oka, Yosuke (1714) | Lost 0-2 | -191753 |
| 5sealed | 150 | Oda, Yusuke (1506) | Won 2-1 | +141767 |
| 6sealed | 92 | Tasugi, Keigo (1599) | Lost 1-2 | -211746 |
| 7sealed | 342 | Fujii, Kohei (1727) | Lost 0-2 | -181728 |
| top | average opponent: 1699record: 2-3 | new rating: 1728 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1725 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 137 | Touma, Hiroshi (1428) | Lost 1-2 | -231702 |
| 4modern | 489 | Kirito, Keisuke (1668) | Won 2-1 | +181720 |
| 5modern | 406 | Shimodouzono, Shintaro (1534) | Won 2-0 | +141734 |
| 6modern | 278 | Kawasaki, Takeshi (1496) | Lost 0-2 | -221712 |
| 7modern | 413 | Watanabe, Toru (1541) | Won 2-0 | +151727 |
| 8modern | 238 | Sasaki, Shin (1629) | Won 2-1 | +161743 |
| 9modern | 235 | Usui, Haruki (1737) | Won 2-0 | +181761 |
| 10modern | 45 | Kurata, Shintaro (1692) | Lost 0-2 | -191742 |
| 11modern | 169 | Isobe, Jyunichi (1552) | Won 2-0 | +141756 |
| 12modern | 108 | Yuuki, Kanayama (1605) | Won 2-0 | +161772 |
| 13modern | 45 | Pan, Minxing (1925) | Lost 1-2 | -161756 |
| 14modern | 93 | Hiwatashi, Yasurou (1609) | Won 2-1 | +161772 |
| 15modern | 66 | Sue, Ryoichi (1611) | Lost 1-2 | -211751 |
| top | average opponent: 1617record: 8-5 | new rating: 1751 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1689 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 410 | Furusawa, Shu (1780) | Won 2-1 | +191708 |
| 4standard | 186 | Mituyasu, Yuki (1679) | Lost 1-2 | -181690 |
| 5standard | 449 | Itada, Yoshiki (1546) | Lost 1-2 | -211669 |
| 6standard | 557 | Aihara, Shogaku (1576) | Won 2-1 | +161685 |
| 7standard | 354 | Taitou, Masahiko (1466) | Won 2-0 | +151700 |
| 8standard | 153 | Huang, Hao-Shan (1723) | Won 2-0 | +181718 |
| 9standard | 92 | Shinohara, Gen 8933 (1688) | Won 2-0 | +171735 |
| 10standard | 56 | Ishino, Katsunori (1566) | Won 2-0 | +151750 |
| 11standard | 29 | Yoshino, Kohei (1685) | Won 2-1 | +171767 |
| 12standard | 27 | Nakamura, Junya (1724) | Lost 0-2 | -191748 |
| 13standard | 45 | Kamo, Keisuke (1674) | Lost 0-2 | -191729 |
| 14standard | 63 | Kutsuna, Yohei (1726) | Lost 1-2 | -181711 |
| 15standard | 97 | Hodumi, Baku (1518) | Won 2-1 | +141725 |
| top | average opponent: 1642record: 8-5 | new rating: 1725 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1675 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 522 | Kauf, Jamin (1664) | Lost 1-2 | -191656 |
| 4standard | 766 | Zhang, Yi 1971 (1574) | Won 2-1 | +171673 |
| 5standard | 351 | Zhuang, Kai (1720) | Lost 1-2 | -171656 |
| 6standard | 476 | Takemoto, Hikaru (1516) | Won 2-1 | +151671 |
| 7standard | 572 | Kato, Jun (1646) | Won 2-1 | +181689 |
| 8standard | 310 | Yoshimoto, Masanobu (1681) | Draw 1-1 | 01689 |
| top | average opponent: 1634record: 3-2-1 | new rating: 1689 | ||
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1660 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 267 | Ezroj, Aaron (1706) | Won 2-0 | +181678 |
| 4sealed | 91 | Collier, Joshua (1554) | Won 2-0 | +161694 |
| 5sealed | 19 | Saunders, Lachlan (1561) | Won 2-1 | +161710 |
| 6sealed | 15 | Montoya, Brandon (1824) | Lost 1-2 | -161694 |
| 7sealed | 97 | Yasooka, Shota (2055) | Lost 0-2 | -121682 |
| 8sealed | 170 | Lanam, Samuel (1565) | Won 2-0 | +161698 |
| 9sealed | 100 | Polak-Rottmann, Oliver (1928) | Lost 1-2 | -141684 |
| 10draft | 349 | Kaplan, Louis (1777) | Won 2-1 | +201704 |
| 11draft | 375 | Jeffress, Christopher (1485) | Won 2-1 | +141718 |
| 12draft | 325 | Nakamura, Shuhei (1886) | Lost 0-2 | -151703 |
| 13draft | 266 | Hoey, Matthew (1831) | Lost 1-2 | -161687 |
| 15draft | 263 | Sidher, Ricky (1986) | Lost 0-2 | -121675 |
| top | average opponent: 1763record: 6-6 | new rating: 1675 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1699 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 286 | Terai, Tadayuki (1736) | Lost 1-2 | -171682 |
| 4sealed | 478 | Yamagata, Hiroki (1514) | Won 2-0 | +151697 |
| 5sealed | 390 | Ishida, Ryuichiro (1704) | Won 2-1 | +181715 |
| 6sealed | 177 | Masui, Norioki (1511) | Won 2-0 | +141729 |
| 7sealed | 46 | Yamada, Hiroki (1584) | Won 2-1 | +161745 |
| 8sealed | 89 | Hozuki, Atsushi (1512) | Lost 0-2 | -231722 |
| 9sealed | 183 | Kase, Koichi (1563) | Won 2-0 | +161738 |
| 10draft | 765 | Maki, Kazunori (1641) | Lost 1-2 | -201718 |
| 11draft | 655 | Mimido, Ryuji (1587) | Lost 1-2 | -211697 |
| 12draft | 719 | Motomura, Shigeru (1826) | Lost 1-2 | -151682 |
| 13draft | 713 | Tanaka, Hayato (1454) | Lost 0-2 | -221660 |
| top | average opponent: 1603record: 5-6 | new rating: 1660 | ||
| Grand Prix Beijing 2018 (DOM limited) | starting rating: 1744 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 49 | Yu, Yin (1659) | Won 2-0 | +171761 |
| 4sealed | 43 | Li, Donglai (1538) | Lost 0-2 | -221739 |
| 5sealed | 193 | Du, Xuetong (1790) | Lost 0-2 | -171722 |
| 6sealed | 233 | Li, Zongyi (1459) | Lost 0-2 | -231699 |
| top | average opponent: 1611record: 1-3 | new rating: 1699 | ||
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1675 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 17 | Tan, Richmond (1651) | Won 2-0 | +181693 |
| 4sealed | 25 | Tanji, Kensuke (1650) | Lost 0-2 | -191674 |
| 5sealed | 53 | Shae, Colinn (1527) | Lost 0-2 | -211653 |
| 6sealed | 110 | Chan, Jason (1665) | Won 2-0 | +181671 |
| 7sealed | 108 | San Juan, Jamie Robertson (1700) | Won 2-0 | +191690 |
| 8sealed | 72 | Yap, Jason (1871) | Won 2-0 | +211711 |
| 9sealed | 46 | Erlangga, Reza (1660) | Won 2-1 | +171728 |
| 10draft | 76 | Nakamura, Junya (1804) | Won 2-1 | +201748 |
| 11draft | 75 | Yasooka, Shota (2094) | Lost 0-2 | -121736 |
| 12draft | 77 | Tay, Jun Hao (1934) | Won 2-1 | +211757 |
| 13draft | 46 | Leong, Felix (1965) | Won 2-0 | +221779 |
| 14draft | 73 | Ley, Isaiah (1721) | Lost 0-2 | -191760 |
| 15draft | 5 | Wang, Haokang (1895) | Lost 0-2 | -161744 |
| top | average opponent: 1780record: 8-5 | new rating: 1744 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1731 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 83 | Kanegawa, Toshiya (1842) | Lost 0-2 | -161715 |
| 4sealed | 487 | Yamada, Shuusuke (1530) | Won 2-0 | +141729 |
| 5sealed | 223 | Matsuda, Yukio (1751) | Lost 0-2 | -171712 |
| 6sealed | 490 | Portaro, Alessandro (1750) | Lost 0-2 | -181694 |
| 7sealed | 599 | Koike, Yuta (1629) | Lost 1-2 | -191675 |
| top | average opponent: 1700record: 1-4 | new rating: 1675 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1730 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 642 | Nishizawa, Taichi (1657) | Won 2-1 | +171747 |
| 4modern | 21 | Tamura, Chiaki (1601) | Lost 1-2 | -211726 |
| 5modern | 579 | Yokota, Takuma (1569) | Won 2-0 | +151741 |
| 6modern | 308 | Takahashi, Jun (1688) | Lost 1-2 | -191722 |
| 7modern | 346 | Tadokoro, Daiki (1477) | Won 2-1 | +141736 |
| 8modern | 257 | Matsumoto, Tomohiro (1582) | Lost 0-2 | -211715 |
| 9modern | 482 | Okajima, Masahiro (1641) | Won 2-1 | +171732 |
| 10modern | 351 | Ichimi, Kenji (1561) | Won 2-0 | +151747 |
| 11modern | 199 | Brown, Eric (1856) | Lost 1-2 | -161731 |
| top | average opponent: 1626record: 5-4 | new rating: 1731 | ||
| Grand Prix Beijing 2017 (AKH limited) | starting rating: 1788 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 195 | Liang, Xushuang (1500) | Lost 0-2 | -241764 |
| 4sealed | 233 | Li, Yi (1571) | Lost 0-2 | -211743 |
| 5sealed | 362 | Song, Shihan (1574) | Lost 0-2 | -211722 |
| 6sealed | 397 | Cai, Qinchuan (1492) | Won 2-0 | +141736 |
| 7sealed | 281 | Dong, Ziyang (1504) | Won 2-1 | +141750 |
| 8sealed | 178 | Chiba, Takato (1652) | Lost 1-2 | -201730 |
| top | average opponent: 1549record: 2-4 | new rating: 1730 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1703 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 206 | Oohashi, Toshiyuki (1767) | Lost 1-2 | -171686 |
| 3standard | 712 | Ikeda, Takeaki (1377) | Won 2-0 | +121698 |
| 4standard | 438 | Nakamura, Kazutaka (1466) | Won 2-1 | +141712 |
| 5standard | 520 | Gibralta, Thierry (1567) | Won 2-0 | +161728 |
| 6standard | 130 | Tanaka, Yuji (1521) | Won 2-1 | +141742 |
| 7standard | 60 | Sato, Keisuke (1785) | Won 2-0 | +191761 |
| 8standard | 74 | Nitta, Ryou (1696) | Lost 0-2 | -201741 |
| 9standard | 144 | Goto, Tomokazu (1560) | Won 2-1 | +151756 |
| 10standard | 114 | Iwase, Akira (1719) | Lost 0-2 | -181738 |
| 11standard | 171 | Ma, Jack (1754) | Won 2-0 | +181756 |
| 12standard | 197 | Yamamura, Naoki (1661) | Won 2-0 | +161772 |
| 13standard | 114 | Takata, Kouhei (1730) | Lost 1-2 | -191753 |
| 14standard | 182 | Koizumi, Yuma (1699) | Won 2-1 | +171770 |
| 15standard | 87 | Koga, Toshimitsu (1727) | Won 2-1 | +181788 |
| top | average opponent: 1645record: 10-4 | new rating: 1788 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1665 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 381 | Hiwatashi, Yasurou (1681) | Won 2-0 | +181683 |
| 3legacy | 221 | Nomura, Tsuyoshi (1607) | Lost 1-2 | -191664 |
| 4legacy | 672 | Ishii, Ryouki (1449) | Lost 1-2 | -221642 |
| 5legacy | 682 | Kamada, Shingo (1533) | Won 2-1 | +161658 |
| 6legacy | 401 | Murase, Takahiro (1380) | Won 2-0 | +131671 |
| 7legacy | 252 | Yamazaki, Yuuki (1745) | Won 2-1 | +201691 |
| 8legacy | 179 | Kaneko, Masayuki3656 (1539) | Lost 0-2 | -211670 |
| 9legacy | 407 | Fukuda, Tatsuya (1617) | Won 2-1 | +171687 |
| 10legacy | 304 | Okano, Toshiya (1652) | Won 2-0 | +171704 |
| 11legacy | 128 | Ootubo, Masashi (1538) | Won 2-0 | +151719 |
| 12legacy | 81 | Goshima, Akito (1799) | Lost 1-2 | -161703 |
| top | average opponent: 1594record: 7-4 | new rating: 1703 | ||
| Grand Prix Guangzhou 2016 (modern) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 43 | Loh, Chuan Han (1754) | Won 2-1 | +221553 |
| 3modern | 41 | Su, Jin Yu (1375) | Won 2-0 | +151568 |
| 4modern | 47 | Lu, Chao (1788) | Won 2-1 | +221590 |
| 5modern | 1028 | Liu, Haotian (1543) | Lost 1-2 | -191571 |
| 6modern | 1059 | Tong, Joel (1559) | Won 2-1 | +181589 |
| 7modern | 41 | Zheng, Shuai (1541) | Lost 0-2 | -191570 |
| 8modern | 1041 | Zhou, Jiacheng (1591) | Draw 1-1 | 01570 |
| 9modern | 59 | Mai, Yiming (1554) | Won 2-1 | +181588 |
| 10modern | 61 | Kuang, Qi Song (1572) | Won 2-1 | +181606 |
| 11modern | 38 | Li, Yi (1574) | Won 2-1 | +171623 |
| 12modern | 24 | Chong, Kiat Chau (1595) | Won 2-1 | +181641 |
| 13modern | 16 | Sun, Xueli (1655) | Won 2-1 | +181659 |
| 14modern | 10 | Xiao, Hui (1671) | Won 2-1 | +181677 |
| 15modern | 6 | Soh, Joe (2020) | Lost 0-2 | -121665 |
| top | average opponent: 1628record: 10-3-1 | new rating: 1665 | ||
| Grand Prix Taipei 2016 (SOI standard) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 65 | Shieh, Din-Chan (1364) | Won 2-0 | +161490 |
| 3standard | 107 | Matsui, Hisataka (1808) | Won 2-1 | +231513 |
| 4standard | 88 | Sano, Keisuke (1498) | Won 2-1 | +181531 |
| 5standard | 51 | Sun, Bo (1967) | Lost 0-2 | -111520 |
| 6standard | 96 | Chu, Cycefa (1604) | Lost 0-2 | -161504 |
| 7standard | 124 | Chang, Cheng Yu (1532) | Lost 0-2 | -181486 |
| 8standard | 198 | Lin, Drizzt (1588) | Won 2-0 | +201506 |
| 9standard | 107 | Kojima, Yoshifumi (1625) | Won 2-0 | +201526 |
| 10standard | 115 | Fujimoto, Takashi (1463) | Lost 1-2 | -191507 |
| 11standard | 112 | Chang, Chi Hung (1491) | Won 2-0 | +181525 |
| 12standard | 85 | Jung, Ga Ram (1626) | Won 2-0 | +201545 |
| 13standard | 57 | Huang, Tsai-Wei (1631) | Won 2-1 | +191564 |
| 14standard | 55 | Boku, Takashi (1686) | Lost 1-2 | -151549 |
| 15standard | 60 | Liu, Xinchang (1579) | Lost 0-2 | -181531 |
| top | average opponent: 1604record: 8-6 | new rating: 1531 | ||
| Grand Prix Melbourne 2016 (modern) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 103 | Ou, Galen (1528) | Won 2-1 | +191489 |
| 2modern | 94 | Smadi, Omar (1517) | Lost 0-2 | -171472 |
| 3modern | 282 | Gibson, Rex (1500) | Lost 0-2 | -181454 |
| 4modern | 459 | Bakalis, Dominic (1482) | Draw 1-1 | +11455 |
| 5modern | 416 | Zou, Shengyuan (1481) | Lost 0-2 | -181437 |
| 6modern | 450 | Dowling, Luke (1443) | Won 2-1 | +181455 |
| 7modern | 371 | Brown, Ross (1479) | Won 2-0 | +191474 |
| top | average opponent: 1490record: 3-3-1 | new rating: 1474 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 198 | Aoi, Masashi (1497) | Won 2-1 | +171552 |
| 4sealed | 9 | Kawasaki, Hirotaka (1713) | Lost 0-2 | -151537 |
| 5sealed | 403 | Urasaki, Takayuki (1580) | Lost 0-2 | -171520 |
| 6sealed | 730 | Benavente, Christopher (1533) | Lost 0-2 | -181502 |
| 7sealed | 850 | Koshiba, Norihiko (1464) | Lost 1-2 | -191483 |
| 8sealed | 727 | Lee, Rick Hup Beng (1755) | Lost 1-2 | -131470 |
| top | average opponent: 1591record: 1-5 | new rating: 1470 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 318 | Okano, Hiroki (1494) | Won 2-0 | +171531 |
| 2standard | 248 | Kimura, Kenta (1497) | Won 2-0 | +181549 |
| 3standard | 320 | Ohnishi, Jyunpei (1644) | Lost 0-2 | -171532 |
| 4standard | 524 | Matsushita, Masayoshi (1548) | Won 2-1 | +191551 |
| 5standard | 406 | Yamamura, Yuma (1561) | Lost 0-2 | -181533 |
| 6standard | 648 | Sakai, Shigeto (1489) | Won 2-0 | +171550 |
| 7standard | 237 | Takahashi, Nozomu (1694) | Lost 1-2 | -151535 |
| 8standard | 415 | Nose, Kouta (1532) | Draw 1-1 | 01535 |
| top | average opponent: 1557record: 4-3-1 | new rating: 1535 | ||
| Grand Prix Hong Kong 2015 (ORI limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 136 | Kong, Rayner (1561) | Lost 0-2 | -171520 |
| 2sealed | 55 | Ngan, Wing Ming (1290) | Won 2-1 | +141534 |
| 3sealed | 345 | Hsiang, Chi Chih (1502) | Won 2-0 | +171551 |
| 4sealed | 163 | Poh, Solomon (1481) | Lost 0-2 | -191532 |
| 5sealed | 288 | Tang, Ivan (1518) | Lost 1-2 | -181514 |
| top | average opponent: 1470record: 2-3 | new rating: 1514 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 308 | Yoshida, Ken (1562) | Lost 0-2 | -171483 |
| 2sealed | 482 | Tanaka, Kisuke (1465) | Won 2-0 | +181501 |
| 3sealed | 295 | Koshiba, Norihiko (1465) | Won 2-1 | +171518 |
| 4sealed | 266 | Fujima, Koichi (1525) | Won 2-1 | +181536 |
| 5sealed | 161 | Mogaki, Masaharu (1536) | Lost 0-2 | -181518 |
| 6sealed | 302 | Sato, Kenichiro (1551) | Won 2-1 | +191537 |
| 7sealed | 146 | Kokura, Hironori (1519) | Won 2-1 | +181555 |
| 8sealed | 64 | Jo, Bunkun (1598) | Lost 1-2 | -181537 |
| top | average opponent: 1528record: 5-3 | new rating: 1537 | ||