Okamura, Hideki
Current rating: 1573
Record: 18-13-1
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 732 | Arai, Yuuki (1521) | Lost 1-2 | -181548 |
| 2standard | 687 | Kaminaga, Shu (1577) | Lost 0-2 | -181530 |
| 3standard | 1163 | Yoshikawa, Takuma (1470) | Won 2-0 | +171547 |
| 4standard | 961 | Yamaguchi, Hiroshi2043 (1477) | Lost 1-2 | -191528 |
| 5standard | 1040 | Sadoi, Tatsuya (1383) | Won 2-0 | +151543 |
| 6standard | 836 | Tanaka, Hiroki (1500) | Won 2-1 | +171560 |
| 7standard | 572 | Tashiro, Atsunori (1424) | Won 2-0 | +161576 |
| 8standard | 433 | Kusunoki, Yuki (1496) | Lost 1-2 | -201556 |
| 9standard | 460 | Takaishi, Etsushi (1500) | Won 2-0 | +171573 |
| top | average opponent: 1483record: 5-4 | new rating: 1573 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1136 | Watanabe, Akihito (1465) | Lost 0-2 | -211566 |
| top | record: 0-1 | new rating: 1566 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 167 | Takahashi, Teo (1417) | Lost 0-2 | -211519 |
| 2extended | 213 | Okazaki, Hideki (1378) | Won 2-0 | +161535 |
| 3extended | 167 | Fukaya, Akihiro (1504) | Won 2-1 | +171552 |
| 4extended | 199 | Kadono, Takayuki (1516) | Lost 1-2 | -181534 |
| 5extended | 215 | Narumiya, Ryuuma (1515) | Won 2-1 | +171551 |
| 6extended | 141 | Kikuchi, Yuuji (1725) | Won 2-0 | +211572 |
| 7extended | 125 | Kubomi, Yusuke (1471) | Won 2-1 | +171589 |
| 8extended | 44 | Hirose, Daichi (1407) | Won 2-0 | +141603 |
| 9extended | 27 | Tsuchiya, Hideaki (1678) | Lost 1-2 | -161587 |
| top | average opponent: 1512record: 6-3 | new rating: 1587 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 180 | Hayashi, Chikara (1504) | Won 2-0 | +181535 |
| 2standard | 69 | Ohnishi, Jyunpei (1447) | Won 2-0 | +161551 |
| 3standard | 111 | Ishikawa, Ren (1849) | Lost 1-2 | -131538 |
| 4standard | 160 | Horie, Isamu (1546) | Lost 0-2 | -171521 |
| 5standard | 242 | Fukui, Kentarou (1502) | Won 2-1 | +171538 |
| 6standard | 218 | Koshiba, Norihiko (1545) | Won 2-0 | +181556 |
| 7standard | 89 | Satou, Dai (1623) | Lost 0-2 | -161540 |
| top | average opponent: 1574record: 4-3 | new rating: 1540 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 8 | Okamura, Kazuya (1500) | Draw 1-1 | 01500 |
| 2sealed | 108 | Harada, Yoshio (1466) | Won 2-0 | +171517 |
| 3sealed | 61 | Sakai, Naoko (1490) | Won 2-1 | +181535 |
| 4sealed | 61 | Suzuki, Shin (1618) | Won 2-0 | +191554 |
| 5sealed | 29 | Koizumi, Kaoru (1553) | Lost 1-2 | -181536 |
| 6sealed | 62 | Ohige, Tatsuya (1464) | Lost 1-2 | -191517 |
| top | average opponent: 1515record: 3-2-1 | new rating: 1517 | ||