Okamoto, Katsuki
Current rating: 1781 (#2738)
Record: 43-27
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1672 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 311 | Uehara, Kou (1482) | Won 2-1 | +141686 |
| 2pioneer | 225 | Sano, Takumi (1534) | Won 2-1 | +161702 |
| 3pioneer | 167 | Wentao, Qi (1898) | Won 2-1 | +211723 |
| 4pioneer | 77 | Ishiwata, Kouichi (1616) | Won 2-0 | +161739 |
| 5pioneer | 37 | Takahashi, Taro (1649) | Won 2-1 | +171756 |
| 6pioneer | 31 | Miura, Ryuji (1887) | Won 2-0 | +201776 |
| 7pioneer | 23 | Ishizuki, Takuya (1632) | Lost 0-2 | -211755 |
| 8pioneer | 21 | Sukegawa, Hayato (1593) | Won 2-1 | +151770 |
| 9pioneer | 41 | Cheng, Tung-Yi (1747) | Won 2-0 | +181788 |
| 10pioneer | 23 | Sasaki, Yusuke 4501 (1767) | Lost 1-2 | -181770 |
| 11pioneer | 65 | Takada, Narumasa (1591) | Won 2-1 | +141784 |
| 12pioneer | 34 | Kamata, Kazuhiro (1882) | Lost 0-2 | -161768 |
| 13pioneer | 65 | Shimazu, Yoshiki (1777) | Won 2-1 | +181786 |
| 14pioneer | 23 | Miura, Shuta (1592) | Won 2-1 | +151801 |
| 15pioneer | 15 | Hakoda, Ryo (1708) | Lost 1-2 | -201781 |
| top | average opponent: 1690record: 11-4 | new rating: 1781 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1678 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 289 | Itou, Masahiro (1470) | Won 2-1 | +141692 |
| 2standard | 62 | Kai, Masatoshi (1404) | Lost 1-2 | -231669 |
| 3standard | 753 | Yasunaga, Takahiro (1498) | Lost 1-2 | -211648 |
| 4standard | 886 | Kozu, Yu (1449) | Won 2-0 | +151663 |
| 5standard | 690 | Kunita, Keisuke (1503) | Won 2-1 | +151678 |
| 6standard | 570 | Magata, Nobuhiko (1505) | Won 2-1 | +151693 |
| 7standard | 236 | Sekine, Yoshinori (1537) | Lost 0-2 | -211672 |
| top | average opponent: 1481record: 4-3 | new rating: 1672 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 440 | Yoshihara, Tomoki (1527) | Won 2-0 | +171594 |
| 2sealed | 188 | Wutiboonwatana, Chaiyapruk (1491) | Won 2-1 | +161610 |
| 3sealed | 269 | Marti, Samuel (1790) | Lost 1-2 | -141596 |
| 4sealed | 457 | Bastogne, Jerome (1649) | Won 2-1 | +191615 |
| 5sealed | 193 | Iwabuchi, Sou (1449) | Won 2-0 | +151630 |
| 6sealed | 297 | Tamai, Yuno (1582) | Lost 0-2 | -191611 |
| 7sealed | 410 | Sugimura, Yoshiyasu (1683) | Won 2-0 | +191630 |
| 8sealed | 175 | Matsumoto, Fumiya (1879) | Won 2-0 | +221652 |
| 9sealed | 201 | Yamanaka, Yuki (1590) | Won 2-0 | +171669 |
| 10draft | 199 | Ichimura, Naoya (1607) | Won 2-1 | +171686 |
| 11draft | 302 | Fukumoto, Nobuhiro (1706) | Lost 1-2 | -171669 |
| 12draft | 242 | Fujita, Toshihide (1703) | Won 2-1 | +181687 |
| 13draft | 277 | Saeki, Katsuhisa (1774) | Won 2-0 | +201707 |
| 14draft | 270 | Sato, Rei (1911) | Lost 0-2 | -151692 |
| 15draft | 18 | D'Aniello, Carmine (1903) | Lost 0-2 | -141678 |
| top | average opponent: 1683record: 10-5 | new rating: 1678 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 165 | Nishiura, Ryosuke (1602) | Won 2-1 | +191534 |
| 4standard | 160 | Iwasaki, Mitsumasa (1601) | Lost 0-2 | -161518 |
| 5standard | 218 | Gen, Takatoshi (1470) | Won 2-0 | +171535 |
| 6standard | 281 | Inazawa, Ryo (1599) | Won 2-1 | +191554 |
| 7standard | 222 | Tsumagari, Shuhei (1492) | Won 2-1 | +171571 |
| 8standard | 76 | Watanabe, Shogo7192 (1566) | Won 2-0 | +181589 |
| 9standard | 39 | Yamagami, Yudai (1796) | Won 2-1 | +211610 |
| 10standard | 20 | Fujii, Yuusaku (1492) | Lost 0-2 | -201590 |
| 11standard | 65 | Nishikawa, Haruyoshi (1565) | Lost 0-2 | -181572 |
| 12standard | 112 | Inoue, Yu (1636) | Lost 0-2 | -171555 |
| 13standard | 193 | Sakuma, Toshimitsu (1617) | Lost 1-2 | -171538 |
| 14standard | 224 | Imanaka, Shinya (1561) | Won 2-0 | +191557 |
| 15standard | 158 | Ding, Yi (1698) | Won 2-1 | +201577 |
| top | average opponent: 1592record: 8-5 | new rating: 1577 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 407 | Hamasaki, Yuzuru (1456) | Won 2-1 | +161549 |
| 4standard | 203 | Fujii, Akira (1594) | Lost 0-2 | -171532 |
| 5standard | 254 | Michibata, Tatsuya (1595) | Won 2-0 | +191551 |
| 6standard | 371 | Kurihara, Mitsuaki (1618) | Lost 1-2 | -171534 |
| 7standard | 306 | Nagase, Yoshinobu (1486) | Won 2-1 | +181552 |
| 8standard | 350 | Nishi, Yuutarou (1509) | Lost 1-2 | -191533 |
| 9standard | 432 | Cole, Damien (1537) | Lost 0-2 | -181515 |
| top | average opponent: 1542record: 3-4 | new rating: 1515 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 340 | Ogawa, Mahito (1482) | Lost 1-2 | -181482 |
| 4standard | 372 | Takenaka, Teturou (1518) | Won 2-0 | +181500 |
| 5standard | 282 | Hideaki, Enomoto (1457) | Won 2-0 | +181518 |
| 6standard | 185 | Suematsu, Takaaki (1791) | Won 2-1 | +221540 |
| 7standard | 82 | Miyata, Yuuya (1595) | Lost 0-2 | -171523 |
| 8standard | 299 | Hokumura, Tatsuro (1478) | Won 2-1 | +181541 |
| 9standard | 183 | Shibuya, Ryosuke (1535) | Won 2-0 | +171558 |
| 10standard | 114 | Okusu, Hiromu (1572) | Won 2-0 | +191577 |
| 11standard | 73 | Yabuta, Junichi (1767) | Lost 1-2 | -151562 |
| 12standard | 108 | Takamizu, Tomohiro (1700) | Lost 0-2 | -151547 |
| 13standard | 119 | Harane, Kenta (1805) | Won 2-1 | +221569 |
| 14standard | 87 | Nakagawa, Jin (1580) | Lost 1-2 | -181551 |
| 15standard | 104 | Katou, Syouya (1506) | Lost 0-2 | -181533 |
| top | average opponent: 1599record: 7-6 | new rating: 1533 | ||