Otsuka, Yohei
Current rating: 1530
Record: 23-22
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 26 | Ohtake, Nobuyuki (1579) | Won 2-1 | +191547 |
| 2pioneer | 197 | Nishi, Daichi (1464) | Won 2-0 | +171564 |
| 3pioneer | 349 | Tsutsui, Yuki (1840) | Lost 1-2 | -141550 |
| 4pioneer | 520 | Hiraoka, Shigenori (1532) | Lost 1-2 | -181532 |
| 5pioneer | 421 | Shimazaki, Ryo (1501) | Won 2-0 | +181550 |
| 6pioneer | 259 | Tanaka, Yoshiyuki 3722 (1451) | Lost 1-2 | -201530 |
| top | average opponent: 1561record: 3-3 | new rating: 1530 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 524 | Watanabe, Yusuke 3633 (1500) | Lost 0-2 | -181516 |
| 2sealed | 871 | Ishii, Atsuhito (1483) | Won 2-0 | +171533 |
| 3sealed | 609 | Omura, Hajime (1434) | Lost 1-2 | -201513 |
| 4sealed | 866 | Ishifuro, Yuichi (1432) | Won 2-1 | +171530 |
| 5sealed | 602 | Kawamata, Daisuke (1572) | Won 2-0 | +181548 |
| 6sealed | 376 | Hagiwara, Satoshi (1423) | Lost 1-2 | -201528 |
| top | average opponent: 1474record: 3-3 | new rating: 1528 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 464 | Zhu, Chongming (1613) | Won 2-0 | +191566 |
| 2sealed | 253 | Hamada, Akira (1565) | Won 2-1 | +181584 |
| 3sealed | 172 | Speth, Travis (1569) | Won 2-0 | +181602 |
| 4sealed | 38 | Kamikawa, Takuya (1522) | Won 2-0 | +171619 |
| 5sealed | 131 | Takeda, Noriaki (1601) | Lost 0-2 | -191600 |
| 6sealed | 87 | Noorlander, Niels (1749) | Lost 0-2 | -151585 |
| 7sealed | 394 | Bonde, Michael (1803) | Lost 0-2 | -141571 |
| 8sealed | 653 | Baba, Yukihiro (1518) | Lost 0-2 | -191552 |
| 9sealed | 606 | Imaoka, Syoichi (1564) | Lost 1-2 | -181534 |
| top | average opponent: 1612record: 4-5 | new rating: 1534 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 281 | Pietri, Lorenzo (1534) | Won 2-0 | +171583 |
| 2sealed | 403 | Studer, Yannick (1892) | Lost 0-2 | -121571 |
| 3sealed | 683 | Schachel, Jonas (1501) | Lost 0-2 | -201551 |
| 4sealed | 789 | Weber, Robert (1561) | Lost 1-2 | -181533 |
| 5sealed | 783 | Kuril, Miroslav (1457) | Won 2-1 | +171550 |
| 6sealed | 627 | Zaremba, Krzysztof (1539) | Won 2-0 | +181568 |
| 7sealed | 478 | Koch, Max (1506) | Won 2-1 | +171585 |
| 8sealed | 404 | Rodrigues, Nelson (1512) | Lost 0-2 | -201565 |
| 9sealed | 439 | Giovanelli, Michele (1554) | Lost 0-2 | -181547 |
| top | average opponent: 1562record: 4-5 | new rating: 1547 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 604 | Yonezawa, Musashi (1724) | Lost 0-2 | -141486 |
| 2sealed | 1035 | Oouti, Kazuhito (1482) | Won 2-0 | +181504 |
| 3sealed | 897 | Yamada, Masataka (1501) | Won 2-0 | +181522 |
| 4sealed | 763 | Kojima, Daiki (1483) | Won 2-0 | +171539 |
| 5sealed | 815 | Tachibana, Kentarou (1599) | Won 2-0 | +191558 |
| 6sealed | 732 | Nomura, Ryosuke (1803) | Won 2-0 | +231581 |
| 7sealed | 651 | U, Kashin (1432) | Won 2-1 | +151596 |
| 8sealed | 639 | Tanaka, Akira (1688) | Won 2-1 | +201616 |
| 9sealed | 619 | Kawakami, Kazuto (1793) | Lost 1-2 | -151601 |
| 10draft | 117 | Yokoyama, Takaya (1572) | Lost 1-2 | -191582 |
| 11draft | 117 | Torii, Yuto (1560) | Won 2-1 | +181600 |
| 12draft | 85 | Sibata, Kouji (1594) | Lost 1-2 | -181582 |
| 13draft | 66 | Tanaka, Kimitaka (1625) | Lost 0-2 | -171565 |
| 14draft | 16 | Sato, Shinya (1604) | Won 2-0 | +181583 |
| 15draft | 75 | Ochiai, Yusuke (1604) | Lost 0-2 | -171566 |
| top | average opponent: 1604record: 9-6 | new rating: 1566 | ||