Oohashi, Keisuke
Current rating: 1746 (#4088)
Record: 65-49-1
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1622 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 207 | Hashimoto, Satoshi 9278 (1500) | Won 2-0 | +151637 |
| 2sealed | 318 | Oikawa, Toshinori (1461) | Won 2-1 | +151652 |
| 3sealed | 76 | Watanabe, Yuta9087 (1509) | Lost 1-2 | -201632 |
| 4sealed | 703 | Yamada, Ryotaro (1518) | Won 2-0 | +161648 |
| 5sealed | 382 | Fujikura, Akinori (1637) | Won 2-1 | +171665 |
| 6sealed | 222 | Cheng, Theo Jung (1593) | Won 2-0 | +171682 |
| 7sealed | 75 | Kitamura, Ryo (1576) | Won 2-1 | +161698 |
| 8sealed | 61 | Shiozu, Ryouma (1792) | Won 2-1 | +201718 |
| 9sealed | 14 | Maki, Kazunori (1657) | Won 2-0 | +171735 |
| 10draft | 605 | Fukudome, Yuu (1751) | Won 2-1 | +181753 |
| 11draft | 651 | Suematsu, Takaaki (2061) | Won 2-0 | +241777 |
| 12draft | 716 | Takeda, Harunobu (1875) | Lost 0-2 | -171760 |
| 13draft | 687 | Utsunomiya, Takumi (1892) | Lost 1-2 | -151745 |
| 14draft | 592 | Sano, Keisuke (1624) | Won 2-1 | +161761 |
| 15draft | 628 | Yoshida, Yuuji (1933) | Lost 0-2 | -151746 |
| top | average opponent: 1692record: 11-4 | new rating: 1746 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1620 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 192 | Machida, Takahiro (1696) | Lost 1-2 | -161604 |
| 2sealed | 612 | Kawamata, Daisuke (1595) | Lost 0-2 | -191585 |
| 3sealed | 1055 | Harada, Yasuhiro (1351) | Won 2-0 | +141599 |
| 4sealed | 821 | Kato, Hiromu (1505) | Won 2-1 | +171616 |
| 5sealed | 699 | Ding, Yi (1637) | Lost 1-2 | -181598 |
| 6sealed | 939 | Chiba, Shouhei (1402) | Won 2-0 | +141612 |
| 7sealed | 786 | Ootake, Masanori (1485) | Lost 0-2 | -201592 |
| 8sealed | 695 | Takeyama, Maya (1399) | Won 2-0 | +151607 |
| 9sealed | 582 | Kondou, Masaki (1447) | Won 2-0 | +151622 |
| top | average opponent: 1502record: 5-4 | new rating: 1622 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1629 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 429 | Kukino, Yudai (1500) | Lost 0-2 | -211608 |
| 2standard | 845 | Naka, Hidehiro (1404) | Won 2-0 | +151623 |
| 3standard | 711 | Kato, Hiromu (1499) | Lost 0-2 | -211602 |
| 4standard | 973 | Nakajima, Takanori (1448) | Won 2-0 | +161618 |
| 5standard | 1023 | Hiraoka, Taku (1517) | Won 2-1 | +161634 |
| 6standard | 565 | Hattori, Kazuki (1622) | Lost 0-2 | -181616 |
| 7standard | 894 | Shirakihara, Ryuuichi (1431) | Won 2-1 | +141630 |
| 8standard | 688 | Tsukahara, Kazuto (1555) | Won 2-0 | +171647 |
| 9standard | 385 | Ishihara, Koji (1589) | Won 2-0 | +171664 |
| 10standard | 356 | Yamamoto, Kouhei (1552) | Lost 0-2 | -201644 |
| 11standard | 376 | Taniguchi, Hiroaki (1668) | Lost 1-2 | -181626 |
| 12standard | 360 | Kisanuki, Akira (1430) | Won 2-0 | +151641 |
| 13standard | 289 | Ohtsu, Minami (1573) | Won 2-0 | +171658 |
| 14standard | 242 | Harada, Dampei (1754) | Lost 1-2 | -171641 |
| 15standard | 269 | Mizui, Tomoyuki (1471) | Lost 1-2 | -211620 |
| top | average opponent: 1534record: 8-7 | new rating: 1620 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 398 | Machida, Takeo (1500) | Won 2-1 | +161623 |
| 2standard | 700 | Owada, Tomoyuki (1624) | Lost 1-2 | -181605 |
| 3standard | 881 | Endo, Takatomo (1433) | Lost 1-2 | -221583 |
| 4standard | 1237 | Baba, Takashi (1526) | Won 2-0 | +171600 |
| 5standard | 938 | Nitsu, Shunsuke (1688) | Lost 1-2 | -161584 |
| 6standard | 1158 | Udagawa, Yuuya (1345) | Won 2-1 | +141598 |
| 7standard | 1095 | Kiyotaki, Azusa (1435) | Won 2-0 | +151613 |
| 8standard | 651 | Robertson, Chris (1605) | Won 2-0 | +181631 |
| 9standard | 596 | Kogure, Takamasa (1476) | Won 2-0 | +151646 |
| 10standard | 324 | Poh, Liang Choong (1693) | Lost 1-2 | -171629 |
| top | average opponent: 1533record: 6-4 | new rating: 1629 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 595 | Monzen, Hidetake (1554) | Won 2-1 | +171617 |
| 2sealed | 490 | Takahashi, Muneaki (1494) | Won 2-0 | +161633 |
| 3sealed | 274 | Niwa, Toshiharu (1519) | Lost 1-2 | -201613 |
| 4sealed | 344 | Goto, Kosuke (1561) | Lost 1-2 | -191594 |
| 5sealed | 652 | Nozaki, Taiki (1506) | Won 2-1 | +161610 |
| 6sealed | 445 | Tanahashi, Masayasu (1693) | Lost 0-2 | -161594 |
| 7sealed | 722 | Yamamoto, Ryo (1461) | Won 2-1 | +161610 |
| 8sealed | 520 | Seki, Kentaro (1518) | Lost 1-2 | -201590 |
| 9sealed | 646 | Akabame, Sho (1516) | Won 2-0 | +171607 |
| top | average opponent: 1536record: 5-4 | new rating: 1607 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 61 | Shibata, Yasumasa (1390) | Lost 0-2 | -211531 |
| 4sealed | 212 | Ideue, Yuuki (1471) | Lost 0-2 | -191512 |
| 5sealed | 362 | Maki, Yoshihito (1467) | Won 2-1 | +171529 |
| 6sealed | 240 | Hirano, Kosaku (1480) | Won 2-0 | +171546 |
| 7sealed | 105 | Ishii, Taisuke (1713) | Won 2-1 | +211567 |
| 8sealed | 161 | Hayata, Akira (1573) | Won 2-1 | +181585 |
| 9sealed | 106 | Furutani, Yamato (1519) | Won 2-1 | +171602 |
| 10draft | 64 | Sorakup, Aekarash (1660) | Won 2-1 | +191621 |
| 11draft | 86 | Takeuchi, Ryota (1877) | Lost 1-2 | -131608 |
| 12draft | 164 | Yamagami, Yudai (1728) | Won 2-1 | +201628 |
| 13draft | 98 | Watanabe, Yuuya (2100) | Lost 1-2 | -101618 |
| 14draft | 86 | Honda, Okihisa (1599) | Draw 0-0 | 01618 |
| 15draft | 115 | Wu, Chia Yin (1644) | Lost 1-2 | -181600 |
| top | average opponent: 1632record: 7-5-1 | new rating: 1600 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 720 | Roduta, Jonathan (1525) | Won 2-0 | +171590 |
| 4sealed | 643 | Harashima, Kenichi (1531) | Won 2-1 | +171607 |
| 5sealed | 615 | Aka, Shunsuke (1745) | Lost 0-2 | -161591 |
| 6sealed | 673 | Taki, Masaya (1517) | Lost 1-2 | -191572 |
| 7sealed | 704 | Inoue, Daisuke (1503) | Won 2-1 | +171589 |
| 8sealed | 699 | Ishigami, Akinari (1498) | Lost 1-2 | -201569 |
| 9sealed | 712 | Miyazono, Takeshi (1619) | Lost 1-2 | -171552 |
| top | average opponent: 1563record: 3-4 | new rating: 1552 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 915 | Yip, Chun Sun (1612) | Lost 0-2 | -161525 |
| 3modern | 1135 | Hagiwara, Tsubasa (1538) | Won 2-1 | +181543 |
| 4modern | 972 | Murakami, Nobuyasu (1514) | Won 2-1 | +171560 |
| 5modern | 913 | Sugimoto, Hiroaki (1621) | Lost 0-2 | -171543 |
| 6modern | 928 | Nishio, Yoshihiro (1385) | Lost 1-2 | -201523 |
| 7modern | 1012 | Yamamoto, Takashi (1429) | Won 2-0 | +161539 |
| 8modern | 913 | Shindo, Noboru (1493) | Won 2-0 | +171556 |
| 9modern | 824 | Nemoto, Daisuke (1488) | Won 2-1 | +171573 |
| top | average opponent: 1510record: 5-3 | new rating: 1573 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 178 | Yamashita, Hiroshi (1467) | Won 2-0 | +171528 |
| 4sealed | 48 | Shimizu, Naoki (1880) | Lost 1-2 | -121516 |
| 5sealed | 165 | Higashimura, Kazuya (1473) | Won 2-1 | +181534 |
| 6sealed | 29 | Kawakami, Hiroshi (1812) | Lost 1-2 | -131521 |
| 7sealed | 116 | Nakatani, Hiroki (1577) | Won 2-0 | +191540 |
| 8sealed | 100 | Uehara, Jin (1500) | Won 2-1 | +171557 |
| 9sealed | 79 | Sano, Futoshi (1687) | Lost 1-2 | -161541 |
| top | average opponent: 1628record: 4-3 | new rating: 1541 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 532 | Shinoda, Akito (1537) | Lost 1-2 | -181545 |
| 4standard | 629 | Murata, Daisuke (1788) | Lost 0-2 | -141531 |
| 5standard | 767 | Kubuta, Hiroshi (1482) | Won 2-1 | +171548 |
| 6standard | 764 | Suzuki, Akira (1587) | Lost 1-2 | -171531 |
| 7standard | 743 | Lucas, Chris (1499) | Lost 1-2 | -191512 |
| 8standard | 706 | Nishimura, Shinji (1501) | Lost 0-2 | -181494 |
| 9standard | 812 | Asahina, Takuya (1441) | Won 2-1 | +171511 |
| top | average opponent: 1548record: 2-5 | new rating: 1511 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 90 | Takisaka, Toru (1516) | Won 2-0 | +181539 |
| 3standard | 6 | Sato, Keisuke (1500) | Won 2-1 | +171556 |
| 4standard | 29 | Minami, Daiki (1511) | Won 2-1 | +171573 |
| 5standard | 10 | Nishiura, Ryosuke (1482) | Lost 0-2 | -191554 |
| 6standard | 50 | Hirabayashi, Kazuya (1830) | Won 2-0 | +231577 |
| 7standard | 55 | Wada, Kazumasa (1576) | Lost 1-2 | -181559 |
| 8standard | 176 | Kozakai, Yukio (1625) | Won 2-1 | +191578 |
| 9standard | 64 | Tamada, Ryoichi (1769) | Lost 0-2 | -151563 |
| top | average opponent: 1601record: 5-3 | new rating: 1563 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 234 | Hirose, Yuuki (1716) | Won 2-1 | +221522 |
| 2standard | 227 | Iwamoto, Reo (1516) | Lost 0-2 | -181504 |
| 3standard | 429 | Mori, Junpei (1588) | Won 2-0 | +191523 |
| 4standard | 250 | Shibata, Daisuke (1423) | Lost 0-2 | -191504 |
| 5standard | 414 | Umeki, Ryo (1533) | Won 2-0 | +181522 |
| 6standard | 487 | Sugimoto, Shimpei (1518) | Won 2-0 | +181540 |
| 7standard | 256 | Ichinohe, Hirona (1482) | Lost 0-2 | -191521 |
| top | average opponent: 1539record: 4-3 | new rating: 1521 | ||