Oshikawa, Taishi
Current rating: 1558
Record: 29-27
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 527 | Qiu, Qidi (1407) | Won 2-1 | +151575 |
| 2standard | 368 | Kung, Lam Yan (1530) | Won 2-1 | +181593 |
| 3standard | 105 | Mikami, Wataru (1375) | Lost 0-2 | -221571 |
| 4standard | 591 | Kawabata, Yuji (1678) | Lost 1-2 | -161555 |
| 5standard | 482 | Shimokawa, Kenzo (1500) | Won 2-0 | +171572 |
| 6standard | 330 | Park, Jungmin (1516) | Lost 1-2 | -191553 |
| 7standard | 541 | Nakamura, Yuya (1598) | Won 2-1 | +181571 |
| 8standard | 454 | Kawamura, Kazushi (1838) | Lost 0-2 | -131558 |
| top | average opponent: 1555record: 4-4 | new rating: 1558 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 399 | Miyake, Keigo (1515) | Won 2-1 | +161601 |
| 2standard | 334 | Funabiki, Rintaro (1468) | Won 2-1 | +161617 |
| 3standard | 358 | Wada, Toshinori (1498) | Lost 1-2 | -201597 |
| 4standard | 668 | Furuichi, Takenori (1538) | Won 2-1 | +171614 |
| 5standard | 326 | Takagi, Yui (1702) | Lost 0-2 | -171597 |
| 6standard | 618 | Kitagawa, Hiroyuki (1689) | Lost 1-2 | -161581 |
| 7standard | 664 | Togawa, Syuuichi (1427) | Lost 0-2 | -211560 |
| top | average opponent: 1548record: 3-4 | new rating: 1560 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 328 | Suzuki, Shouta (1696) | Won 2-0 | +211539 |
| 4modern | 76 | Kobayashi, Yuuki 0719 (1559) | Won 2-0 | +191558 |
| 5modern | 69 | Nukita, Yosuke (1682) | Won 2-0 | +201578 |
| 6modern | 69 | Yoshii, Takumi (1600) | Lost 0-2 | -171561 |
| 7modern | 109 | Okano, Yukimasa (1604) | Won 2-0 | +181579 |
| 8modern | 65 | Deng, Yunan (1625) | Lost 0-2 | -171562 |
| 9modern | 233 | Furukawa, Hiroki (1799) | Lost 0-2 | -141548 |
| 10modern | 290 | Suzuki, Kousei (1576) | Won 2-0 | +191567 |
| 11modern | 196 | Kajita, Yuuki (1607) | Lost 1-2 | -171550 |
| 12modern | 225 | Oomori, Shouhei (1503) | Won 2-0 | +171567 |
| 13modern | 213 | Omiya, Takahiro (1605) | Won 2-1 | +181585 |
| 14modern | 135 | Lu, Tung Ken (1540) | Lost 1-2 | -181567 |
| 15modern | 162 | Tomioka, Teppei (1563) | Won 2-1 | +181585 |
| top | average opponent: 1612record: 8-5 | new rating: 1585 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 166 | Shiura, Takefumi (1433) | Won 2-0 | +161548 |
| 4standard | 337 | Chen, Yiwen (1710) | Lost 1-2 | -151533 |
| 5standard | 587 | Kawabata, Yuji (1622) | Lost 1-2 | -161517 |
| 6standard | 449 | Ho, Ming Ho (1555) | Won 2-0 | +181535 |
| 7standard | 480 | Nabetani, Satoki (1533) | Lost 1-2 | -181517 |
| 8standard | 555 | Tsuchida, Tatsuaki (1445) | Won 2-0 | +171534 |
| 9standard | 423 | Ishii, Takuya (1659) | Lost 1-2 | -161518 |
| top | average opponent: 1565record: 3-4 | new rating: 1518 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 785 | Hisamizu, Nobuhiko (1500) | Won 2-0 | +181536 |
| 2standard | 448 | Maezono, Kenta (1596) | Won 2-1 | +191555 |
| 3standard | 122 | Hichiwa, Toshito (1535) | Won 2-1 | +171572 |
| 4standard | 349 | Kawakami, Hiroshi (1707) | Won 2-0 | +211593 |
| 5standard | 145 | Kurashita, Shinji (1583) | Won 2-1 | +181611 |
| 6standard | 12 | Kumagai, Riku (2039) | Lost 1-2 | -111600 |
| 7standard | 204 | Hattori, Kazuki (1689) | Lost 1-2 | -161584 |
| 8standard | 260 | Takayama, Kan (1624) | Lost 0-2 | -181566 |
| 9standard | 507 | Taniguchi, Hiroaki (1757) | Won 2-1 | +221588 |
| 10standard | 299 | Oki, Hiroki (1598) | Lost 1-2 | -181570 |
| 11standard | 389 | Nomura, Takeshi (1426) | Lost 0-2 | -211549 |
| 12standard | 404 | Sasaki, Yuuki (1582) | Lost 1-2 | -171532 |
| top | average opponent: 1636record: 6-6 | new rating: 1532 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 202 | Shibuya, Shun (1518) | Won 2-1 | +181518 |
| 2sealed | 78 | Okubo, Mai (1467) | Won 2-0 | +171535 |
| 3sealed | 184 | Kawashita, Makoto (1680) | Lost 0-2 | -151520 |
| 4sealed | 345 | Furusawa, Tsukasa (1469) | Lost 0-2 | -191501 |
| 5sealed | 972 | Nakao, Munenari (1589) | Lost 0-2 | -161485 |
| 6sealed | 958 | Sekido, Takashi (1483) | Lost 0-2 | -181467 |
| 7sealed | 904 | Ikarashi, Satoru (1478) | Won 2-1 | +181485 |
| 8sealed | 772 | Katsura, Yuu (1439) | Won 2-0 | +171502 |
| 9sealed | 621 | Yu, Chenghsien (1386) | Won 2-1 | +161518 |
| top | average opponent: 1501record: 5-4 | new rating: 1518 | ||