Okamoto, Yasutaka
Current rating: 1477
Record: 43-50-3
Grand Prix Kitakyushu 2013Grand Prix Kobe 2014Grand Prix Chiba 2015Grand Prix Kobe 2015Grand Prix Nagoya 2016Grand Prix Tokyo 2016Grand Prix Kobe 2017Grand Prix Kyoto 2017Grand Prix Chiba 2018Grand Prix Shizuoka 2018 (standard)Grand Prix Kyoto 2019Grand Prix Yokohama 2019Grand Prix Chiba 2019Grand Prix Nagoya 2019Grand Prix Nagoya 2020
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 134 | Hamaguchi, Shoji (1517) | Won 2-0 | +201447 |
| 4pioneer | 120 | Tanaka, Yoshiyuki 3722 (1487) | Won 2-1 | +181465 |
| 5pioneer | 41 | Noine, Kazuhiro (1927) | Lost 0-2 | -101455 |
| 6pioneer | 221 | Iwasaki, Daisuke (1705) | Won 2-1 | +231478 |
| 7pioneer | 56 | Takagi, Takayuki (1841) | Won 2-0 | +241502 |
| 8pioneer | 17 | Meguro, Masahiko (1683) | Lost 1-2 | -151487 |
| 9pioneer | 63 | Imai, Chisato (1473) | Lost 0-2 | -181469 |
| 10pioneer | 150 | Wada, Yasutaka (1654) | Won 2-1 | +211490 |
| 11pioneer | 130 | Soyama, Tomohiro (1502) | Won 2-0 | +191509 |
| 12pioneer | 68 | Takada, Hiroki (1702) | Lost 0-2 | -151494 |
| 13pioneer | 118 | Yanagidate, Ikumi (1558) | Lost 1-2 | -171477 |
| top | average opponent: 1641record: 6-5 | new rating: 1477 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 318 | Nomura, Hiroshi (1568) | Lost 1-2 | -161443 |
| 3standard | 612 | Saito, Tomohiro (1559) | Lost 1-2 | -161427 |
| top | average opponent: 1564record: 0-2 | new rating: 1427 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 111 | Takani, Takashi (1279) | Won 2-0 | +141525 |
| 3sealed | 361 | Yamashita, Keijiro (1666) | Lost 0-2 | -151510 |
| 4sealed | 544 | Tsuruoka, Shouta (1546) | Lost 1-2 | -181492 |
| 5sealed | 538 | Yamasaki, Yudai (1681) | Lost 1-2 | -141478 |
| 6sealed | 717 | Kanno, Akihito (1485) | Won 2-0 | +181496 |
| 7sealed | 585 | Nakano, Masaya (1425) | Lost 0-2 | -191477 |
| 8sealed | 501 | Matsubara, Yuusuke (1502) | Lost 1-2 | -181459 |
| top | average opponent: 1512record: 2-5 | new rating: 1459 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 186 | Watanabe, Ryuji (1644) | Lost 0-2 | -141458 |
| 3modern | 683 | Tamura, Yuta (1499) | Won 2-0 | +181476 |
| 4modern | 774 | Song, Jinliang (1636) | Won 2-0 | +211497 |
| 5modern | 319 | Inoguchi, Hironobu (1686) | Won 2-1 | +221519 |
| 6modern | 208 | Hitomi, Keita (1568) | Won 2-0 | +181537 |
| 7modern | 165 | Kato, Kensuke (2037) | Lost 1-2 | -91528 |
| 8modern | 310 | Tanaka, Hayato (1599) | Lost 1-2 | -171511 |
| top | average opponent: 1667record: 4-3 | new rating: 1511 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 29 | Akase, Daisuke (1523) | Won 2-0 | +191482 |
| 3standard | 452 | Maki, Kazunori (1695) | Lost 1-2 | -141468 |
| 4standard | 328 | Saito, Naoki (1409) | Lost 1-2 | -191449 |
| 5standard | 745 | Yoshimoto, Masanobu (1653) | Won 2-0 | +221471 |
| 6standard | 604 | Shimizu, Yuji (1517) | Won 2-0 | +191490 |
| 7standard | 329 | Okada, Kazuhiro (1537) | Lost 1-2 | -181472 |
| top | average opponent: 1556record: 3-3 | new rating: 1472 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 570 | Kinoshita, Kazuya (1434) | Lost 0-2 | -191478 |
| 3standard | 699 | Takahashi, Kazuya (1582) | Won 2-1 | +201498 |
| 4standard | 503 | Kambe, Kouichi (1522) | Lost 1-2 | -181480 |
| 5standard | 891 | Lysenko, Jesse (1542) | Lost 1-2 | -171463 |
| top | average opponent: 1520record: 1-3 | new rating: 1463 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 393 | Hatakeyama, Atsushi (1522) | Won 2-0 | +181496 |
| 3sealed | 30 | Yagawa, Masataka (1601) | Lost 0-2 | -161480 |
| 4sealed | 734 | Moriya, Taiki (1527) | Won 2-0 | +191499 |
| 5sealed | 147 | Kanayama, Haruki (1553) | Lost 1-2 | -171482 |
| 6sealed | 451 | Akama, Takaharu (1433) | Won 2-1 | +171499 |
| 7sealed | 256 | Sakaguchi, Hiroshi (1353) | Lost 1-2 | -201479 |
| 8sealed | 437 | Maeda, Dai (1499) | Won 2-0 | +181497 |
| top | average opponent: 1498record: 4-3 | new rating: 1497 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 65 | Prasitthikul, Siam (1466) | Lost 0-2 | -181496 |
| 3sealed | 847 | Kameyama, Shingo (1454) | Won 2-1 | +171513 |
| 4sealed | 736 | Seno, Takuto (1545) | Lost 0-2 | -181495 |
| 5sealed | 761 | Iwasaki, Masayuki (1504) | Lost 0-2 | -171478 |
| top | average opponent: 1492record: 1-3 | new rating: 1478 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 313 | Sakurai, Itu'Sei (1568) | Won 2-0 | +201467 |
| 4modern | 83 | Yamagata, Hiroki (1575) | Draw 1-1 | +21469 |
| 5modern | 182 | Kawaguchi, Takashi (1702) | Draw 1-1 | +41473 |
| 6modern | 392 | Tezuka, Yo (1929) | Lost 0-2 | -101463 |
| 7modern | 613 | Kawahara, Daichi (1490) | Won 2-1 | +191482 |
| 8modern | 423 | Nishiyama, Kei (1552) | Won 2-0 | +191501 |
| 9modern | 281 | Fujihira, Kohei (1598) | Won 2-0 | +201521 |
| 10modern | 180 | Tadano, Syunta (1552) | Lost 1-2 | -181503 |
| 11modern | 295 | Hirayama, Shigetaka (1825) | Won 2-1 | +241527 |
| 12modern | 201 | Hu, Shawn (1533) | Won 2-1 | +181545 |
| 13modern | 134 | Koshimura, Takeshi (1718) | Lost 0-2 | -151530 |
| 14modern | 181 | Zhao, Tianyu (1663) | Lost 0-2 | -161514 |
| top | average opponent: 1642record: 6-4-2 | new rating: 1514 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 928 | Okamoto, Masahiro (1445) | Draw 1-1 | 01443 |
| 2standard | 774 | Takahashi, Tatsuhiko (1526) | Won 2-0 | +201463 |
| 3standard | 764 | Kitagawa, Tomohiro (1383) | Won 1-0 | +161479 |
| 4standard | 371 | Imura, Sei (1519) | Lost 1-2 | -171462 |
| 5standard | 716 | Ishikawa, Ryosuke (1510) | Lost 1-2 | -171445 |
| 6standard | 1039 | Katsuta, Takafumi (1502) | Won 2-0 | +191464 |
| 7standard | 710 | Satou, Wataru (Chiba) (1521) | Lost 0-2 | -171447 |
| top | average opponent: 1486record: 3-3-1 | new rating: 1447 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 833 | Hashimoto, Yuta (1481) | Won 2-1 | +181513 |
| 2sealed | 459 | Seki, Kentaro (1518) | Lost 0-2 | -181495 |
| 3sealed | 688 | Matsushita, Takahiro (1584) | Lost 0-2 | -161479 |
| 4sealed | 1082 | Matsushima, Syuuitirou (1484) | Lost 0-2 | -181461 |
| 5sealed | 1032 | Kondo, Yusuke (1478) | Lost 0-2 | -181443 |
| top | average opponent: 1509record: 1-4 | new rating: 1443 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 684 | Watanabe, Shouichi (1421) | Won 2-0 | +161532 |
| 2standard | 29 | Kato, Yusuke9880 (1550) | Lost 1-2 | -181514 |
| 3standard | 817 | Iida, Kazuhito (1501) | Lost 0-2 | -181496 |
| 4standard | 1112 | Fukuda, Yoshifumi (1501) | Won 2-1 | +181514 |
| 5standard | 856 | Sakai, Shigeto (1470) | Lost 0-2 | -191495 |
| top | average opponent: 1489record: 2-3 | new rating: 1495 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 327 | Tanaka, Takuya (1462) | Lost 0-2 | -191518 |
| 3sealed | 304 | Kato, Satoshi (1502) | Won 2-1 | +181536 |
| 4sealed | 350 | Takenaka, Susumu (1430) | Lost 1-2 | -201516 |
| top | average opponent: 1465record: 1-2 | new rating: 1516 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1046 | Urano, Megumi (1447) | Won 2-1 | +171538 |
| 2modern | 907 | Tanehashi, Shigeharu (1390) | Won 2-1 | +151553 |
| 3modern | 726 | Matsushita, Junnya (1584) | Lost 0-2 | -171536 |
| 4modern | 822 | Terawaki, Koji (1535) | Won 2-1 | +181554 |
| 5modern | 866 | Kitabayashi, Nobuyuki (1506) | Won 2-1 | +171571 |
| 6modern | 758 | Kawaguchi, Takashi (1629) | Won 2-1 | +191590 |
| 7modern | 730 | Won, Dae Hoon (1523) | Lost 0-1 | -191571 |
| 8modern | 828 | Ishii, Taisuke (1719) | Lost 0-2 | -151556 |
| 9modern | 816 | Minami, Takahiro (1536) | Lost 1-2 | -191537 |
| top | average opponent: 1541record: 5-4 | new rating: 1537 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 200 | Inoue, Masataka (1375) | Won 2-0 | +161516 |
| 2standard | 219 | Shiota, Fumihiko (1788) | Won 2-1 | +231539 |
| 3standard | 100 | Higashi, Kentarou (1476) | Lost 1-2 | -201519 |
| 4standard | 217 | Sakimura, Akihiko (1669) | Lost 0-2 | -151504 |
| 5standard | 444 | Mori, Takashi (1518) | Won 2-1 | +181522 |
| 6standard | 320 | Matsuo, Yoshiyuki (1534) | Won 2-1 | +191541 |
| 7standard | 220 | Kitajima, Ryoko (1473) | Lost 0-2 | -201521 |
| top | average opponent: 1548record: 4-3 | new rating: 1521 | ||