Oooka, Daiji
Current rating: 1497
Record: 23-27-1
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 318 | Nakayama, Satoshi (1504) | Won 2-0 | +191469 |
| 4standard | 104 | Takahira, Shunsuke (1722) | Lost 0-2 | -131456 |
| 5standard | 200 | Setsompop, Mingrerk (1545) | Won 2-1 | +191475 |
| 6standard | 221 | Shiina, Kento (1379) | Won 2-0 | +161491 |
| 7standard | 86 | Nishio, Tomoyasu (1546) | Won 2-0 | +191510 |
| 8standard | 50 | Furukawa, Shun1524 (1577) | Won 2-0 | +201530 |
| 9standard | 30 | Kumagai, Riku (2101) | Lost 0-2 | -91521 |
| 10standard | 108 | Murata, Kazuki (1584) | Won 2-0 | +191540 |
| 11standard | 67 | Miyagishi, Kohei (1617) | Lost 1-2 | -161524 |
| 12standard | 62 | Igura, Hayato (1514) | Lost 1-2 | -191505 |
| 13standard | 94 | Hasegawa, Keijiro (1575) | Lost 1-2 | -161489 |
| 14standard | 105 | Moriya, Daisuke (1605) | Won 2-0 | +201509 |
| 15standard | 86 | Jim, Thomas (1869) | Lost 0-2 | -121497 |
| top | average opponent: 1626record: 7-6 | new rating: 1497 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 175 | Park, Sangwook (1718) | Lost 1-2 | -131426 |
| 4standard | 268 | Tonggoy, Yutthanagorn (1499) | Won 2-1 | +191445 |
| 5standard | 118 | Lawrence, Ryan (1539) | Lost 0-2 | -161429 |
| 6standard | 315 | Sena, Joao (1557) | Lost 1-2 | -161413 |
| 7standard | 328 | Chen, Chao Chih (1352) | Won 2-1 | +171430 |
| 8standard | 234 | Qin, Zhanghang (1523) | Won 2-1 | +201450 |
| top | average opponent: 1531record: 3-3 | new rating: 1450 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 270 | Ishiwada, Hiroyuki (1793) | Lost 1-2 | -131487 |
| 4modern | 693 | Nitta, Ryou (1668) | Lost 0-2 | -151472 |
| 5modern | 818 | Chen, Daniel (1518) | Lost 0-2 | -171455 |
| 6modern | 871 | Yamazaki, Masaomi (1506) | Lost 1-2 | -171438 |
| 7modern | 753 | Abe, Yusuke 4043 (1468) | Lost 1-2 | -171421 |
| 8modern | 698 | Hirose, Masashi (1445) | Won 2-0 | +181439 |
| top | average opponent: 1566record: 1-5 | new rating: 1439 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 129 | Sasaki, Yusuke 1421 (1603) | Lost 1-2 | -171534 |
| 3standard | 605 | Iwase, Daiki (1505) | Lost 1-2 | -181516 |
| 4standard | 817 | Kanda, Takuya (1459) | Won 2-1 | +171533 |
| 5standard | 758 | Murakami, Yuki (1827) | Lost 0-2 | -131520 |
| 6standard | 683 | Kamezawa, Yoshifumi (1412) | Lost 1-2 | -201500 |
| top | average opponent: 1561record: 1-4 | new rating: 1500 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 248 | Okajima, Masahiro (1627) | Won 2-0 | +201525 |
| 3standard | 273 | Seo, Kenta (1671) | Lost 1-2 | -151510 |
| 4standard | 775 | Komiyama, Kouhei (1474) | Won 2-1 | +171527 |
| 5standard | 590 | Mayaguchi, Masaru (1622) | Won 2-0 | +201547 |
| 6standard | 410 | Katou, Takeru (1420) | Won 2-1 | +151562 |
| 7standard | 245 | Tanaka, Syunya (1503) | Won 2-1 | +171579 |
| 8standard | 216 | Endo, Natsumi (1640) | Lost 1-2 | -171562 |
| 9standard | 103 | Kobayashi, Ryohei (1747) | Lost 0-2 | -141548 |
| 10standard | 132 | Chen, Shan Chun (1755) | Lost 1-2 | -151533 |
| 11standard | 172 | Shibata, Yuuki (1556) | Won 2-1 | +191552 |
| 12standard | 118 | Kobayashi, Hiroya (1570) | Lost 1-2 | -181534 |
| 13standard | 147 | Taguchi, Hiroyasu (1513) | Lost 1-2 | -181516 |
| 14standard | 143 | Sekine, Hiroya (1469) | Won 2-0 | +171533 |
| 15standard | 129 | Matsuda, Yuki (1548) | Won 2-0 | +181551 |
| top | average opponent: 1580record: 8-6 | new rating: 1551 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 349 | Muraoka, Hideaki (1467) | Lost 0-2 | -191481 |
| 4legacy | 484 | Kawasaki, Yusuke (1514) | Won 2-1 | +191500 |
| 5legacy | 489 | Saso, Kazuho (1551) | Lost 0-2 | -171483 |
| 6legacy | 729 | Haraguchi, Hiroki (1516) | Won 2-0 | +191502 |
| 7legacy | 352 | Shinomiya, Yusuke (1428) | Won 2-1 | +161518 |
| 8legacy | 153 | Inoue, Toru (1837) | Lost 0-2 | -121506 |
| 9legacy | 332 | Huang, Bing (1451) | Draw 1-1 | -11505 |
| top | average opponent: 1538record: 3-3-1 | new rating: 1505 | ||