Okamura, Yoshiaki
Current rating: 1659
Record: 18-11-1
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 348 | Fujino, Kentarou (1500) | Won 2-1 | +171538 |
| 2sealed | 305 | Minamoto, Keita (1518) | Lost 1-2 | -181520 |
| 3sealed | 934 | Tajiri, Shinichi (1499) | Won 2-1 | +171537 |
| 4sealed | 418 | Terada, Shuuhei (1704) | Won 2-0 | +211558 |
| 5sealed | 154 | Negishi, Haruki (1601) | Lost 0-2 | -171541 |
| 6sealed | 601 | Sasaki, Yusuke 1421 (1670) | Won 2-0 | +211562 |
| 7sealed | 371 | Kawaguchi, Takashi (1660) | Won 2-1 | +191581 |
| 8sealed | 179 | Tsuruoka, Shouta (1586) | Won 2-1 | +181599 |
| 9sealed | 156 | Watanabe, Shouichi (1676) | Lost 1-2 | -161583 |
| 10draft | 196 | Sumi, Kango (1596) | Lost 1-2 | -181565 |
| 11draft | 186 | Nagami, Youichi (1649) | Won 2-0 | +201585 |
| 12draft | 142 | Yang, Eunje (1689) | Won 2-0 | +201605 |
| 13draft | 41 | Takawashi, Kenji (1569) | Won 2-0 | +171622 |
| 14draft | 39 | Naitou, Keisuke (1722) | Won 2-1 | +201642 |
| 15draft | 33 | Furusawa, Tsukasa (1592) | Won 2-0 | +171659 |
| top | average opponent: 1615record: 11-4 | new rating: 1659 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 518 | Takada, Narumasa (1562) | Won 2-1 | +191513 |
| 2standard | 348 | Fukui, Kouichirou (1426) | Won 2-0 | +171530 |
| 3standard | 119 | Mio, Ryutaro (1560) | Won 2-1 | +181548 |
| 4standard | 41 | Sugaya, Hironobu (1821) | Lost 0-2 | -131535 |
| 5standard | 181 | Danjo, Hiroyuki (1463) | Won 2-1 | +171552 |
| 6standard | 204 | Yamada, Yasushi (1643) | Lost 1-2 | -171535 |
| 7standard | 400 | Yamamoto, Akimasa (1709) | Lost 1-2 | -141521 |
| top | average opponent: 1598record: 4-3 | new rating: 1521 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 364 | Oshima, Takafumi (1429) | Lost 1-2 | -191463 |
| 3legacy | 842 | Murakami, Yamato (1491) | Won 2-0 | +191482 |
| 4legacy | 329 | [anonymous] | Lost 1-2 | -131469 |
| 5legacy | 688 | Torii, Motonori (1514) | Won 2-0 | +181487 |
| 6legacy | 514 | Murakami, Kazuya3837 (1657) | Won 2-1 | +211508 |
| 7legacy | 418 | Hanawa, Atsushi (1525) | Draw 1-1 | +11509 |
| 8legacy | 386 | Kariya, Kazuki (1691) | Lost 0-2 | -151494 |
| top | average opponent: 1581record: 3-3-1 | new rating: 1494 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 318 | Mukai, Kentaro (1500) | Lost 0-2 | -181482 |
| top | record: 0-1 | new rating: 1482 | ||