Ozaki, Kei
Current rating: 1531
Record: 34-33
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 133 | Sasage, Hiroki (1529) | Lost 0-2 | -191553 |
| 2standard | 525 | Minami, Wakaha (1484) | Won 2-1 | +171570 |
| 3standard | 741 | Horikawa, Hideaki (1531) | Lost 1-2 | -191551 |
| 4standard | 745 | Takeda, Ryosuke (1402) | Lost 1-2 | -201531 |
| top | average opponent: 1486record: 1-3 | new rating: 1531 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 30 | Zhu, Mingjun (1500) | Won 2-0 | +171554 |
| 2standard | 44 | Sato, Yusuke (1462) | Won 2-0 | +161570 |
| 3standard | 246 | Song, Malcolm (1463) | Won 2-1 | +161586 |
| 4standard | 38 | Watanabe, Masao (1303) | Won 2-1 | +131599 |
| 5standard | 21 | Li, Jingyang (1723) | Lost 1-2 | -151584 |
| 6standard | 48 | Kudo, Koichi (1644) | Won 2-0 | +191603 |
| 7standard | 54 | Boku, Takashi (1815) | Lost 1-2 | -141589 |
| 8standard | 91 | Yoshikawa, Hidenobu (1677) | Won 2-0 | +191608 |
| 9standard | 47 | Kuroda, Yoshirou (1686) | Lost 0-2 | -161592 |
| 10standard | 107 | Stone, Andrew (1528) | Lost 0-2 | -201572 |
| 11standard | 106 | Horikoshi, Takayuki (1657) | Won 2-1 | +201592 |
| 12standard | 75 | Song, Linglu (1495) | Lost 0-2 | -201572 |
| top | average opponent: 1579record: 7-5 | new rating: 1572 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 776 | Miyazaki, Ryunosuke (1464) | Lost 0-2 | -191522 |
| 2modern | 944 | Sasayama, Shin (1352) | Won 2-0 | +151537 |
| 3modern | 726 | Ueki, Junichi (1474) | Lost 1-2 | -191518 |
| 4modern | 926 | Sugimoto, Hiroaki (1562) | Won 2-0 | +181536 |
| 5modern | 673 | Yamada, Daisuke (1497) | Won 2-0 | +181554 |
| 6modern | 494 | Daigo, Toshimune (1607) | Lost 0-2 | -171537 |
| top | average opponent: 1493record: 3-3 | new rating: 1537 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 86 | Sasai, Keisuke (1434) | Won 2-0 | +171491 |
| 2standard | 294 | Komori, Yuuya (1499) | Won 2-1 | +181509 |
| 3standard | 34 | Shiraki, Takahiro (1778) | Lost 1-2 | -131496 |
| 4standard | 273 | Oyaizu, Keigo (1445) | Lost 0-2 | -191477 |
| 5standard | 679 | Bollen, Blake (1464) | Won 2-0 | +181495 |
| 6standard | 584 | Fukui, Yui (1485) | Won 2-1 | +181513 |
| 7standard | 437 | Hirata, Tomoki (1554) | Won 2-1 | +181531 |
| 8standard | 312 | Yokota, Kazuya (1606) | Won 2-1 | +201551 |
| 9standard | 117 | Yamada, Takahiro (1478) | Lost 0-2 | -201531 |
| 10standard | 159 | Tanabe, Tetsuya (1573) | Lost 0-2 | -171514 |
| 11standard | 180 | Yoshida, Kenji (1482) | Won 2-0 | +181532 |
| 12standard | 145 | Sato, Motohiko (1752) | Lost 0-2 | -141518 |
| 13standard | 152 | Tamai, Yuno (1624) | Won 2-0 | +201538 |
| 14standard | 119 | Sun, Guolong (1716) | Won 2-1 | +211559 |
| 15standard | 127 | Arita, Shinya (1587) | Lost 0-2 | -181541 |
| top | average opponent: 1565record: 9-6 | new rating: 1541 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 113 | Andou, Masahito (1561) | Won 2-0 | +191486 |
| 2legacy | 106 | Shikano, Hiroto (1509) | Lost 0-2 | -171469 |
| 3legacy | 529 | Henry, D'Hennin (1499) | Won 2-0 | +181487 |
| 4legacy | 314 | Iwayama, Masatomo (1638) | Won 2-0 | +211508 |
| 5legacy | 107 | Watanabe, Takanori (1673) | Lost 1-2 | -151493 |
| 6legacy | 221 | Nakamoto, Naoki (1471) | Lost 1-2 | -181475 |
| 7legacy | 304 | Kahata, Issei (1467) | Lost 0-2 | -181457 |
| 8legacy | 375 | Tomomizu, Takuya (1414) | Won 2-1 | +171474 |
| top | average opponent: 1529record: 4-4 | new rating: 1474 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 344 | Takeshita, Yuuto (1450) | Lost 0-2 | -181465 |
| 2sealed | 907 | Hasegawa, Gaku (1588) | Won 2-1 | +201485 |
| 3sealed | 554 | Kusakabe, Yu (1501) | Won 2-1 | +181503 |
| 4sealed | 447 | Ishizaki, Ryousuke (1485) | Lost 0-2 | -181485 |
| 5sealed | 871 | Nagafuchi, Takayuki (1477) | Lost 1-2 | -181467 |
| top | average opponent: 1500record: 2-3 | new rating: 1467 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 718 | Miyake, Ryohei (1466) | Lost 1-2 | -191503 |
| 2legacy | 724 | Mochizuki, Katsuhiko (1356) | Lost 1-2 | -211482 |
| 3legacy | 1098 | Kotajima, Tatsuki (1463) | Won 2-0 | +181500 |
| 4legacy | 923 | Suzuki, Yuta (1469) | Won 2-1 | +171517 |
| 5legacy | 792 | Kase, Masahito (1478) | Won 2-1 | +181535 |
| 6legacy | 445 | Ogi, Suguru (1511) | Lost 1-2 | -191516 |
| 7legacy | 671 | Igarashi, Takuto (1503) | Lost 1-2 | -181498 |
| 8legacy | 782 | Kim, Min Su (1686) | Lost 1-2 | -151483 |
| top | average opponent: 1492record: 3-5 | new rating: 1483 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 136 | Akimoto, Syouta (1429) | Won 2-1 | +171517 |
| 2modern | 223 | Tao, Hiroshi (1519) | Won 2-0 | +181535 |
| 3modern | 190 | Suzuki, Tatsurou (1518) | Won 2-1 | +171552 |
| 4modern | 71 | Kaizu, Hareta (1727) | Won 2-1 | +221574 |
| 5modern | 50 | Sato, Hisao (1635) | Lost 0-2 | -171557 |
| 6modern | 113 | Sugimura, Yoshiyasu (1674) | Lost 1-2 | -161541 |
| 7modern | 229 | Konuma, Shuto (1537) | Won 2-0 | +181559 |
| 8modern | 110 | Yamaguchi, Yuji (1506) | Lost 0-2 | -191540 |
| 9modern | 210 | Yamanaka, Kazuki (1542) | Lost 0-2 | -181522 |
| top | average opponent: 1565record: 5-4 | new rating: 1522 | ||