Koyanagi, Takashi
Current rating: 1588
Record: 67-61
- 2009
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2016
- 2018
- 2019
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 350 | Yamashita, Kouhei (1502) | Won 2-1 | +161610 |
| 2standard | 364 | Noji, Koichiro (1411) | Won 2-0 | +151625 |
| 3standard | 117 | Jung, Yong Hyuk (1683) | Lost 1-2 | -171608 |
| 4standard | 295 | Takemoto, Shintarou (1501) | Lost 0-2 | -201588 |
| 5standard | 513 | Hirooka, Yoshihiro (1488) | Won 2-1 | +161604 |
| 6standard | 431 | Nakajima, Chikara (1706) | Lost 1-2 | -161588 |
| top | average opponent: 1548record: 3-3 | new rating: 1588 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 241 | Nakamatu, Hirohumi (1491) | Lost 1-2 | -191560 |
| 2sealed | 794 | Hayakawa, Naoto (1488) | Lost 1-2 | -201540 |
| 3sealed | 1042 | Hashimoto, Ken (1461) | Won 2-0 | +171557 |
| 4sealed | 832 | Sato, Natsumi (1483) | Won 2-0 | +161573 |
| 5sealed | 789 | Matsuzawa, Takashi (1502) | Won 2-0 | +171590 |
| 6sealed | 638 | Satou, Marin (1611) | Won 2-1 | +191609 |
| 7sealed | 353 | Nakamoto, Kosuke (1791) | Lost 0-2 | -151594 |
| top | average opponent: 1547record: 4-3 | new rating: 1594 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 81 | Taniwaki, Hikaru (1399) | Won 2-0 | +151589 |
| 2modern | 362 | Kido, Hiroyuki (1480) | Won 2-1 | +161605 |
| 3modern | 400 | Mizutani, Rintarou (1541) | Won 2-0 | +171622 |
| 4modern | 54 | Abe, Michio (1486) | Won 2-1 | +151637 |
| 5modern | 50 | Mochizuki, Yuki9510 (1658) | Lost 0-2 | -171620 |
| 6modern | 255 | Kato, Hiromu (1383) | Lost 0-2 | -231597 |
| 7modern | 483 | Kabeya, Atsushi (1579) | Lost 1-2 | -181579 |
| top | average opponent: 1504record: 4-3 | new rating: 1579 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1614 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 560 | Ito, Wataru (1572) | Lost 1-2 | -191595 |
| 2sealed | 669 | Nakamura, Taro (1303) | Lost 1-2 | -231572 |
| 3sealed | 1065 | Takano, Masaki (1740) | Won 2-0 | +211593 |
| 4sealed | 856 | Hirano, Kosaku (1526) | Lost 1-2 | -191574 |
| top | average opponent: 1535record: 1-3 | new rating: 1574 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1622 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 409 | Tanaka, Rizumu (1629) | Won 2-0 | +181640 |
| 3standard | 731 | Hasegawa, Kazunari (1589) | Lost 1-2 | -191621 |
| 4standard | 523 | Hirabayashi, Tomoaki (1515) | Won 2-0 | +161637 |
| 5standard | 538 | Nakai, Tomoki (1494) | Lost 0-2 | -201617 |
| 6standard | 799 | Tajima, Yuya (1511) | Won 2-0 | +161633 |
| 7standard | 338 | Yoshikawa, Yuta (1640) | Lost 0-2 | -181615 |
| 8standard | 639 | Hasegawa, Shun-ya (1525) | Won 2-0 | +161631 |
| 9standard | 364 | Setya, Steven Dirga (1678) | Lost 0-2 | -171614 |
| top | average opponent: 1573record: 4-4 | new rating: 1614 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1669 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 65 | Kodama, Kentaro (1548) | Lost 1-2 | -211648 |
| 4standard | 702 | Ito, Takayuki (1517) | Won 2-0 | +161664 |
| 5standard | 286 | Takano, Masaaki (1540) | Lost 1-2 | -201644 |
| 6standard | 632 | Ueda, Yuya (1440) | Lost 1-2 | -221622 |
| top | average opponent: 1511record: 1-3 | new rating: 1622 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1704 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 2034 | Shimizu, Keita (1482) | Lost 1-2 | -221682 |
| 3sealed | 2345 | Arizi, Rei (1504) | Lost 1-2 | -211661 |
| 4sealed | 2408 | Tanaka, Yuta9213 (1485) | Won 2-0 | +151676 |
| 5sealed | 2347 | Matsui, Hideyuki (1499) | Won 2-0 | +151691 |
| 6sealed | 2180 | Ueyama, Yuji (1473) | Lost 0-2 | -221669 |
| top | average opponent: 1489record: 2-3 | new rating: 1669 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1691 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 8 | Watanabe, Masayoshi (1594) | Won 2-1 | +171708 |
| 3legacy | 175 | Ueki, Junichi (1424) | Lost 1-2 | -231685 |
| 4legacy | 207 | Ishihara, Jun (1586) | Lost 0-2 | -201665 |
| 5legacy | 240 | Arthur, James (1593) | Won 2-1 | +171682 |
| 6legacy | 191 | Yamaguchi, Minami (1516) | Won 2-0 | +151697 |
| 7legacy | 94 | Itazu, Yoshihisa (1432) | Won 2-0 | +131710 |
| 8legacy | 125 | Kiyohara, Daichi (1559) | Won 2-1 | +151725 |
| 9legacy | 57 | Sekiguchi, Kota (1561) | Lost 0-2 | -211704 |
| top | average opponent: 1533record: 5-3 | new rating: 1704 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 653 | Ogata, Nobuhiko (1491) | Won 2-0 | +171572 |
| 3sealed | 618 | Lau, Toby (1575) | Won 2-0 | +181590 |
| 4sealed | 638 | Choi, Kiho (1502) | Won 2-0 | +161606 |
| 5sealed | 621 | Chanboonyawat, Prapruet (1571) | Won 2-1 | +181624 |
| 6sealed | 609 | Hasegawa, Yuuhei (1545) | Won 2-1 | +161640 |
| 7sealed | 607 | Kawaguchi, Kenji (1639) | Won 2-0 | +181658 |
| 8sealed | 605 | Matousek, Pavel (2025) | Won 2-0 | +251683 |
| 9sealed | 601 | Ueda, Daisuke (1593) | Lost 1-2 | -201663 |
| 10draft | 12 | Yamamoto, Kouhei2453 (1681) | Lost 1-2 | -181645 |
| 11draft | 13 | Kawakami, Kazuto (1793) | Lost 0-2 | -151630 |
| 12draft | 97 | Sato, Shinya (1641) | Won 2-1 | +181648 |
| 13draft | 88 | Zhang, Meng Qiu (2004) | Won 2-1 | +241672 |
| 14draft | 97 | Touma, Takahiro (1731) | Won 2-0 | +191691 |
| 15draft | 16 | Ichige, Masato (1662) | ID | 01691 |
| top | average opponent: 1675record: 10-3-1 | new rating: 1691 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 100 | Minamoto, Teruaki (1525) | Won 2-0 | +171606 |
| 3modern | 72 | Mori, Katsuhiro (2050) | Lost 0-2 | -111595 |
| 4modern | 294 | Hamaguchi, Masakuni (1468) | Lost 1-2 | -201575 |
| 5modern | 313 | Nakai, Satoshi (1472) | Lost 0-2 | -201555 |
| top | average opponent: 1629record: 1-3 | new rating: 1555 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1578 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 52 | Nakagawa, Yu (1516) | Won 2-1 | +171595 |
| 3sealed | 37 | Kokubun, Hiroshi (1542) | Won 2-0 | +171612 |
| 4sealed | 60 | Houjo, Chihiro (1440) | Won 2-1 | +151627 |
| 5sealed | 27 | Sei, Makoto (1581) | Lost 0-2 | -191608 |
| 6sealed | 117 | Sugaya, Hironobu (1766) | Lost 0-2 | -151593 |
| 7sealed | 95 | Schwenk, Ryan (1363) | Won 2-0 | +141607 |
| 8sealed | 55 | Koyama, Masashi (1598) | Lost 0-2 | -181589 |
| top | average opponent: 1544record: 4-3 | new rating: 1589 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 559 | Inoue, Hiroyuki (1550) | Won 2-1 | +191560 |
| 3standard | 550 | Sugiura, Takuya (1591) | Lost 1-2 | -181542 |
| 4standard | 778 | Hibino, Yasutaka (1652) | Won 2-1 | +201562 |
| 5standard | 636 | Sato, Jyun (1575) | Won 2-0 | +181580 |
| 6standard | 613 | Miyazono, Takeshi (1608) | Won 2-0 | +191599 |
| 7standard | 543 | Tanji, Kensuke (1504) | Won 2-1 | +161615 |
| 8standard | 518 | Miyake, Kyohei (1485) | Lost 1-2 | -201595 |
| 9standard | 686 | Furukawa, Hiroki (1673) | Lost 0-2 | -171578 |
| top | average opponent: 1580record: 5-3 | new rating: 1578 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1602 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 869 | Oshimi, Akira (1414) | Lost 0-2 | -221580 |
| 3sealed | 947 | Yamaguchi, Daisuke (1499) | Lost 1-2 | -191561 |
| 4sealed | 1117 | Morita, Akira (1484) | Lost 0-2 | -201541 |
| top | average opponent: 1466record: 0-3 | new rating: 1541 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 134 | Yamazaki, Yuuki (Kanagawa) (1520) | Won 2-0 | +161613 |
| 4modern | 46 | Tamura, Tetsu (1559) | Lost 1-2 | -191594 |
| 5modern | 149 | Semura, Junichi (1444) | Won 2-1 | +161610 |
| 6modern | 68 | Arita, Kento (1534) | Won 2-1 | +161626 |
| 7modern | 32 | Washimi, Kazuo (1510) | Lost 0-2 | -201606 |
| 8modern | 105 | Ogasawara, Shou (1406) | Won 2-0 | +141620 |
| 9modern | 133 | Cho, Kou (1579) | Lost 1-2 | -181602 |
| top | average opponent: 1507record: 4-3 | new rating: 1602 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 39 | Suzuki, Masatsuna (1658) | Lost 0-2 | -151501 |
| 4sealed | 351 | Hayashi, Nobuhiko (1517) | Won 2-1 | +181519 |
| 5sealed | 179 | Wada, Akihiro (1503) | Won 2-0 | +181537 |
| 6sealed | 67 | Nagamoto, Kouji (1574) | Won 2-0 | +181555 |
| 7sealed | 53 | Sugimoto, Hiroaki (1561) | Won 2-0 | +181573 |
| 8sealed | 37 | Seki, Keita (1686) | Won 2-1 | +211594 |
| 9sealed | 17 | Hassaku, Jinpei (1717) | Won 2-1 | +201614 |
| 10draft | 14 | Pham, Daniel (1927) | Won 2-1 | +231637 |
| 11draft | 4 | Ootsuka, Koutarou (1912) | Lost 1-2 | -131624 |
| 12draft | 36 | Kaneko, Yoshiyuki (1616) | Lost 0-2 | -181606 |
| 13draft | 15 | Hassaku, Jinpei (1715) | Lost 1-2 | -161590 |
| 14draft | 21 | Nakajima, Chikara (2007) | Lost 1-2 | -111579 |
| 15draft | 47 | Yuusuke Y., (1551) | Won 2-0 | +181597 |
| top | average opponent: 1688record: 8-5 | new rating: 1597 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 28 | Kitayama, Masaya (1877) | Lost 1-2 | -111489 |
| 5standard | 154 | Bandou, Junichirou (1537) | Won 2-0 | +191508 |
| 6standard | 85 | Fujita, Kenichi (1736) | Lost 1-2 | -141494 |
| 7standard | 160 | Hayashi, Takatomo (1543) | Won 2-1 | +191513 |
| 8standard | 66 | Nitta, Yuki (1673) | Won 2-0 | +211534 |
| 9standard | 43 | Inoue, Shinta (1552) | Lost 0-2 | -181516 |
| top | average opponent: 1653record: 3-3 | new rating: 1516 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 13 | Kozakai, Yukio (1514) | Won 2-1 | +201466 |
| 5extended | 39 | Suzuki, Nobuyoshi (1770) | Won 2-1 | +231489 |
| 6extended | 15 | Okajima, Shougo (1519) | Won 2-0 | +191508 |
| 7extended | 11 | Sato, Shinya (1639) | Won 2-0 | +201528 |
| 8extended | 3 | Fujimoto, Taichi (1783) | Lost 1-2 | -131515 |
| 9extended | 10 | Nakamura, Shuhei (2049) | Lost 0-2 | -101505 |
| 10extended | 38 | Izumi, Kimiaki (1608) | Lost 1-2 | -161489 |
| 11extended | 35 | Juumonji, Ryou (1689) | Won 2-1 | +221511 |
| 12extended | 27 | Kudo, Koichi (1713) | Lost 1-2 | -141497 |
| 13extended | 9 | Hayashi, Shouya (1596) | Won 2-0 | +191516 |
| 14extended | 10 | Naka, Yoshihiro (1636) | Lost 0-2 | -161500 |
| 15extended | 40 | Hassaku, Jinpei (1689) | ID | 01500 |
| top | average opponent: 1684record: 6-5-1 | new rating: 1500 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 60 | Nakamura, Fumitake (1465) | Lost 0-2 | -181461 |
| 5extended | 190 | Hatta, Tetsuya (1550) | Won 2-1 | +191480 |
| 6extended | 50 | Izumi, Hikaru (1497) | Lost 0-2 | -171463 |
| 7extended | 101 | Tsukagoshi, Tadaki (1559) | Lost 0-2 | -171446 |
| top | average opponent: 1518record: 1-3 | new rating: 1446 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 139 | Deuitch, Lorne (1442) | Won 2-1 | +171517 |
| 2sealed | 6 | Hirokawa, Tatsuya (1526) | Lost 0-2 | -181499 |
| 3sealed | 225 | Yoshizawa, Hiromi (1382) | Lost 0-2 | -201479 |
| top | average opponent: 1450record: 1-2 | new rating: 1479 | ||