Okamura, Takumi
Current rating: 1443
Record: 42-49-1
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 27 | Murayama, Kyohei (1532) | Won 2-1 | +201459 |
| 2pioneer | 17 | Matsuda, Issei (1580) | Won 2-0 | +201479 |
| 3pioneer | 11 | Oshima, Shimpei (1693) | Lost 0-2 | -141465 |
| 4pioneer | 39 | Utsunomiya, Takumi (1931) | Lost 1-2 | -101455 |
| 5pioneer | 82 | Kimura, Shunsuke (1630) | Lost 1-2 | -151440 |
| 6pioneer | 63 | Kohara, Soichiro (1445) | Lost 1-2 | -181422 |
| 7pioneer | 69 | Ito, Takuro (1582) | Won 2-0 | +211443 |
| top | average opponent: 1628record: 3-4 | new rating: 1443 | ||
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 203 | Ozawa, Kensuke (1664) | Lost 1-2 | -151452 |
| 4pioneer | 363 | Kamo, Riki (1691) | Lost 0-2 | -141438 |
| 5pioneer | 591 | Matsuo, Shuto (1498) | Lost 1-2 | -171421 |
| 6pioneer | 559 | Moon, Seunghwan (1504) | Won 2-1 | +201441 |
| 7pioneer | 413 | Nakamura, Yuto (1386) | Won 2-0 | +171458 |
| 8pioneer | 270 | Hiraoka, Taku (1404) | Lost 0-2 | -191439 |
| top | average opponent: 1524record: 2-4 | new rating: 1439 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 131 | Shoji, Kenta (1584) | Lost 1-2 | -161463 |
| 4standard | 437 | Xie, Bing (1620) | Won 2-1 | +211484 |
| 5standard | 404 | Nakayama, Satoshi (1506) | Won 2-0 | +181502 |
| 6standard | 93 | Hisano, Mikita (1429) | Lost 0-2 | -191483 |
| 7standard | 357 | Oohara, Yuuichi (1572) | Lost 1-2 | -161467 |
| top | average opponent: 1542record: 2-3 | new rating: 1467 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 530 | Tsuchiya, Yoshihiro (1404) | Won 2-0 | +161542 |
| 4sealed | 248 | Sako, Wataru (1536) | Won 2-1 | +171559 |
| 5sealed | 10 | Hamada, Yuusai (1548) | Lost 0-2 | -181541 |
| 6sealed | 209 | Hamasaki, Masayuki (1576) | Won 2-0 | +191560 |
| 7sealed | 113 | Furuuchi, Yusuke (1453) | Won 2-0 | +161576 |
| 8sealed | 98 | Takao, Shota (1825) | Lost 1-2 | -141562 |
| 9sealed | 154 | Takahashi, Tatsuya (1516) | Lost 0-2 | -181544 |
| 10draft | 42 | Masukado, Kenta (1945) | Lost 0-2 | -121532 |
| 11draft | 87 | Shibata, Yuuki (1578) | Lost 1-2 | -171515 |
| 12draft | 89 | Yoneyama, Shogo (1491) | Lost 0-2 | -181497 |
| 13draft | 97 | Osaka, Yusuke (1512) | Lost 0-2 | -181479 |
| top | average opponent: 1580record: 4-7 | new rating: 1479 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 299 | Sugiura, Hiroki (1519) | Won 2-1 | +181525 |
| 3modern | 482 | Hozumi, Yuji (1448) | Won 2-1 | +171542 |
| 4modern | 17 | Takao, Akinao (1595) | Lost 0-2 | -171525 |
| 5modern | 245 | Nishikawa, Haruyoshi (1483) | Won 2-1 | +171542 |
| 6modern | 128 | Yokoyama, Takahiro (1495) | Won 2-1 | +171559 |
| 7modern | 164 | Shirahata, Gen (1551) | Lost 1-2 | -181541 |
| 8modern | 322 | Kitagawa, Yuta (1696) | Lost 1-2 | -151526 |
| top | average opponent: 1541record: 4-3 | new rating: 1526 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 209 | Okajima, Kuninori (1545) | Won 2-0 | +191507 |
| 3standard | 325 | Sugiyama, Kouichi (1316) | Lost 0-2 | -211486 |
| 4standard | 549 | Arai, Shuhei (1520) | Won 2-0 | +181504 |
| 5standard | 403 | Haritani, Ryosuke (1657) | Lost 1-2 | -151489 |
| 6standard | 322 | Chang, Cheng Yu (1659) | Won 2-0 | +211510 |
| 7standard | 369 | Ishikawa, Hayate (1470) | Lost 1-2 | -191491 |
| 8standard | 458 | Hariu, Daichi (1366) | Won 2-0 | +161507 |
| top | average opponent: 1505record: 4-3 | new rating: 1507 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 352 | Nakajima, Hiroki (1386) | Lost 1-2 | -211521 |
| 3standard | 729 | Higaki, Takao (1831) | Lost 0-2 | -121509 |
| 4standard | 818 | Kai, Masatoshi (1364) | Lost 0-2 | -211488 |
| top | average opponent: 1527record: 0-3 | new rating: 1488 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 518 | Sugisawa, Tsuyoshi (1620) | Lost 0-2 | -161500 |
| 3sealed | 652 | Mori, Syuuichi (1457) | Lost 0-2 | -191481 |
| 4sealed | 941 | Takahashi, Kazuya (1589) | Lost 1-2 | -161465 |
| 5sealed | 947 | Nishina, Akihiko (1462) | Won 2-1 | +181483 |
| 6sealed | 769 | Uemura, Akira (1480) | Won 2-0 | +181501 |
| 7sealed | 630 | Wu, Songwei (1740) | Won 2-1 | +221523 |
| 8sealed | 501 | Ishimoto, Yuki (1555) | Won 2-0 | +191542 |
| top | average opponent: 1558record: 4-3 | new rating: 1542 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 177 | Steinecke, Michael (1765) | Won 2-0 | +231542 |
| 2sealed | 456 | Kawase, Takeshi (1513) | Lost 1-2 | -191523 |
| 3sealed | 952 | Kounosu, Hiroaki (1181) | Won 2-0 | +121535 |
| 4sealed | 345 | Takashima, Ryuichi (1503) | Won 2-1 | +171552 |
| 5sealed | 227 | Hasegawa, Tsuguto (1563) | Won 2-0 | +191571 |
| 6sealed | 199 | Yoshioka, Yoshio (1549) | Lost 1-2 | -191552 |
| 7sealed | 297 | Hara, Ryota (1521) | Lost 1-2 | -181534 |
| 8sealed | 529 | Mitachi, Yuuki (1554) | Lost 0-2 | -181516 |
| top | average opponent: 1519record: 4-4 | new rating: 1516 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 85 | Toyota, Hiroki (1453) | Won 2-0 | +171540 |
| 4standard | 134 | Kitaoka, Takaaki (1715) | Lost 1-2 | -151525 |
| 5standard | 205 | Suzuki, Tomoyuki (1545) | Won 2-1 | +181543 |
| 6standard | 239 | Ichikawa, Norikazu (1589) | Lost 1-2 | -171526 |
| 7standard | 518 | Sato, Motomichi (1520) | Won 2-1 | +181544 |
| 8standard | 374 | Wakita, Tomoyuki (1698) | Lost 1-2 | -151529 |
| 9standard | 472 | Ishihama, Yuki (1540) | Won 2-1 | +181547 |
| 10standard | 316 | Murakami, Keisuke (1674) | Won 2-0 | +201567 |
| 11standard | 268 | Shimazaki, Ryota (1571) | Lost 0-2 | -181549 |
| 12standard | 276 | Tatsumi, Kouji (1576) | Lost 1-2 | -171532 |
| 13standard | 268 | Kasahara, Koichi (1488) | Won 2-0 | +171549 |
| 14standard | 263 | Chen, Yiwen (1690) | Lost 1-2 | -161533 |
| 15standard | 235 | Hayata, Akira (1741) | Lost 1-2 | -141519 |
| top | average opponent: 1600record: 6-7 | new rating: 1519 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 494 | Sakai, Masaru (1500) | Won 2-1 | +181519 |
| 2standard | 130 | Iwaki, Tetsuya (1524) | Won 2-0 | +181537 |
| 3standard | 617 | Burger, Martin (1556) | Lost 0-2 | -181519 |
| 4standard | 668 | Sugahara, Yoshitaka (1444) | Won 2-1 | +171536 |
| 5standard | 592 | Hotta, Kei (1497) | Lost 0-2 | -191517 |
| 6standard | 718 | Shinohara, Takahiro (1486) | Won 2-0 | +181535 |
| 7standard | 565 | Sasaki, Yusuke (1714) | Lost 0-2 | -151520 |
| 8standard | 575 | Oohashi, Toshiya (1632) | Won 2-1 | +201540 |
| 9standard | 461 | Takano, Hayato (1586) | Lost 1-2 | -171523 |
| top | average opponent: 1549record: 5-4 | new rating: 1523 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 15 | Nomura, Hiroshi (1505) | Won 2-0 | +181518 |
| 2sealed | 381 | Onodera, Yuuji (1521) | Won 2-1 | +181536 |
| 3sealed | 288 | Hamamoto, Yohei (1539) | Won 2-1 | +181554 |
| 4sealed | 67 | Hitomi, Masaaki (1825) | Lost 1-2 | -131541 |
| 5sealed | 371 | Enomoto, Keisuke (1506) | Lost 1-2 | -191522 |
| 6sealed | 727 | Kawaharada, Kosaku (1501) | Draw 1-1 | 01522 |
| 7sealed | 577 | Akase, Daisuke (1431) | Lost 1-2 | -201502 |
| 8sealed | 711 | Sugiyama, Takanori (1395) | Lost 1-2 | -201482 |
| 9sealed | 655 | Harada, Daisaku (1514) | Won 2-1 | +191501 |
| top | average opponent: 1526record: 4-4-1 | new rating: 1501 | ||