Ookura, Takahiro
Current rating: 1540
Record: 26-27
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 149 | Nakamura, Yusuke9902 (1855) | Lost 1-2 | -121515 |
| 4pioneer | 484 | Doi, Yuuta (1575) | Lost 0-2 | -171498 |
| 5pioneer | 484 | Nakano, Tatsuhito (1653) | Won 2-1 | +211519 |
| 6pioneer | 325 | Okuno, Ryohei (1769) | Won 2-0 | +221541 |
| 7pioneer | 288 | Hayashi, Kenta (1461) | Won 2-1 | +171558 |
| 8pioneer | 108 | Yoshida, Kenichiro (1556) | Lost 0-2 | -181540 |
| top | average opponent: 1645record: 3-3 | new rating: 1540 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 600 | Noguchi, Kazutaka (1516) | Won 2-1 | +181523 |
| 3modern | 124 | Otsuka, Tomohito (1692) | Won 2-1 | +211544 |
| 4modern | 170 | Taniguchi, Yuusuke (1529) | Lost 0-2 | -181526 |
| 5modern | 251 | Choi, Byunghyug (1504) | Lost 0-2 | -181508 |
| 6modern | 538 | Kondo, Yusuke (1427) | Lost 1-2 | -201488 |
| 7modern | 625 | Robertson, Chris (1621) | Won 2-1 | +211509 |
| 8modern | 493 | Fujimoto, Kanta (1537) | Won 2-0 | +181527 |
| top | average opponent: 1547record: 4-3 | new rating: 1527 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 586 | Suganuma, Kathuhiro (1487) | Won 2-1 | +181481 |
| 4standard | 322 | Yanagidate, Ikumi (1565) | Won 2-0 | +201501 |
| 5standard | 271 | Murao, Keisuke (1590) | Lost 1-2 | -161485 |
| 6standard | 403 | Kubota, Sin (1530) | Lost 1-2 | -181467 |
| 7standard | 498 | Maeda, Takuma (1513) | Won 2-0 | +191486 |
| 8standard | 342 | Oku, Daisaku (1543) | Won 2-1 | +191505 |
| 9standard | 79 | Takahashi, Jun (1821) | Won 2-1 | +241529 |
| 10standard | 46 | Ieda, Toma (1628) | Won 2-0 | +201549 |
| 11standard | 40 | Kitagawa, Yuta (1743) | Lost 0-2 | -151534 |
| 12standard | 106 | Aota, Hidekazu (1537) | Lost 1-2 | -181516 |
| 13standard | 106 | Niwa, Keita (1580) | Lost 0-2 | -171499 |
| 14standard | 111 | Hashigaya, Wataru (1584) | Lost 0-2 | -161483 |
| 15standard | 130 | Kashima, Akihiro (1721) | Won 2-0 | +221505 |
| top | average opponent: 1603record: 7-6 | new rating: 1505 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 486 | Toyama, Takashi (1483) | Lost 1-2 | -181458 |
| 3sealed | 559 | Itou, Ryouta (1312) | Won 2-0 | +151473 |
| 4sealed | 596 | Tokita, Toshimi (1462) | Won 2-1 | +181491 |
| 5sealed | 436 | Futamata, Yojiro (1701) | Lost 1-2 | -141477 |
| 6sealed | 582 | Tokunaga, Takayuki (1489) | Won 2-1 | +181495 |
| 7sealed | 203 | Yamada, Takuya (1709) | Lost 1-2 | -141481 |
| 8sealed | 388 | Ishino, Katsunori (1496) | Lost 0-2 | -181463 |
| top | average opponent: 1522record: 3-4 | new rating: 1463 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 107 | Inoue, Masanao (1559) | Won 2-1 | +191489 |
| 3legacy | 305 | Moriyama, Yuu (1563) | Won 2-0 | +201509 |
| 4legacy | 256 | Ik, Jan Hui Andrew (1520) | Lost 1-2 | -181491 |
| 5legacy | 164 | Oomura, Takashi (1562) | Lost 1-2 | -171474 |
| 6legacy | 428 | Sato, Kenichiro (1550) | Won 2-0 | +191493 |
| 7legacy | 436 | Miyazaki, Tatsuro (1537) | Lost 1-2 | -171476 |
| 8legacy | 513 | Mochizuki, Tomohiro (1452) | Won 2-0 | +181494 |
| 9legacy | 265 | Shinozaki, Hiroki (1485) | Lost 1-2 | -181476 |
| top | average opponent: 1529record: 4-4 | new rating: 1476 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 1155 | Ooshima, Kunihiro (1591) | Won 2-1 | +191524 |
| 3sealed | 817 | Hayata, Shogo (1490) | Lost 1-2 | -181506 |
| 4sealed | 1122 | Abe, Michio (1481) | Lost 0-2 | -191487 |
| 5sealed | 1142 | Hirai, Kento (1501) | Lost 0-2 | -171470 |
| top | average opponent: 1516record: 1-3 | new rating: 1470 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 170 | Sasaki, Ryou (1518) | Lost 1-2 | -181482 |
| 3legacy | 282 | Ueno, Yoshiyuki (1503) | Lost 0-2 | -171465 |
| 4legacy | 341 | Murase, Takahiro (1461) | Lost 0-2 | -181447 |
| 5legacy | 406 | Hino, Takanari (1462) | Won 2-0 | +181465 |
| 6legacy | 312 | Osako, Masaki (1473) | Won 2-1 | +181483 |
| 7legacy | 251 | Boehner, Brent (1613) | Lost 1-2 | -161467 |
| 8legacy | 241 | Tanaka, Sho (1483) | Won 2-0 | +191486 |
| 9legacy | 166 | Maeno.J, Kazushi (1545) | Won 2-0 | +191505 |
| top | average opponent: 1507record: 4-4 | new rating: 1505 | ||