Ouchi, Akimasa
Current rating: 1703 (#6302)
Record: 39-27-2
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 397 | Kazaoka, Nicholle (1500) | Won 2-1 | +171603 |
| 2standard | 333 | Horie, Yoshiaki (1401) | Won 2-0 | +141617 |
| 3standard | 147 | Shang, Shuwen (1535) | Lost 0-2 | -191598 |
| 4standard | 740 | Miura, Junpei (1479) | Won 2-0 | +161614 |
| 5standard | 193 | Kato, Yusuke9880 (1566) | Won 2-0 | +171631 |
| 6standard | 210 | Kaizu, Hareta (1751) | Lost 1-2 | -161615 |
| 7standard | 249 | Miyamoto, Hiroya (1692) | Won 2-1 | +191634 |
| 8standard | 348 | Oikawa, Masafumi (1484) | Won 2-0 | +161650 |
| 9standard | 105 | Tatara, Atsushi (1498) | Won 2-0 | +151665 |
| 10standard | 124 | Moriyama, Yuu (1559) | Won 2-0 | +161681 |
| 11standard | 31 | Fujimura, Kazuaki (1883) | Lost 0-2 | -141667 |
| 12standard | 117 | Suematsu, Takaaki (1800) | Draw 1-1 | +21669 |
| 13standard | 93 | Kainuma, Satoru (1610) | Won 2-1 | +171686 |
| 14standard | 61 | Kawashita, Makoto (1678) | Won 2-1 | +181704 |
| 15standard | 44 | Nishimoto, Takuya (1681) | Draw 1-1 | -11703 |
| top | average opponent: 1608record: 10-3-2 | new rating: 1703 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 309 | Nishi, Takehiko (1500) | Lost 0-2 | -191537 |
| 2sealed | 382 | Ariyoshi, Yusuke (1481) | Won 2-0 | +171554 |
| 3sealed | 415 | Usami, Taro (1569) | Lost 1-2 | -171537 |
| 4sealed | 474 | Uchida, Hiroki (1483) | Won 2-0 | +171554 |
| 5sealed | 380 | Ishizu, Masahiko (1507) | Won 2-1 | +171571 |
| 6sealed | 247 | Tsukahara, Kazuto (1591) | Won 2-1 | +181589 |
| 7sealed | 237 | Ikeda, Tomokazu (1483) | Won 2-0 | +161605 |
| 8sealed | 83 | Mohd Khairul Anuar, Abdul Aziz (1559) | Lost 1-2 | -191586 |
| top | average opponent: 1522record: 5-3 | new rating: 1586 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 207 | Yoshida, Keisuke (1500) | Lost 0-2 | -191528 |
| 2standard | 200 | Murata, Kouji (1440) | Won 2-0 | +171545 |
| 3standard | 183 | Kawano, Yuuya (1508) | Won 2-0 | +171562 |
| 4standard | 174 | Chang, Ching Ti (1479) | Won 2-1 | +161578 |
| 5standard | 150 | Kusunoki, Hiroyuki (1537) | Won 2-0 | +181596 |
| 6standard | 96 | Ichikawa, Norikazu (1492) | Lost 0-2 | -201576 |
| 7standard | 129 | Aoki, Shingo (1505) | Lost 0-2 | -201556 |
| top | average opponent: 1494record: 4-3 | new rating: 1556 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 49 | Abe, Ken'Ichi (1516) | Lost 0-2 | -191552 |
| 2extended | 236 | Aoki, Shougo (1481) | Won 2-0 | +171569 |
| 3extended | 192 | M., Toshiaki (1502) | Won 2-0 | +161585 |
| 4extended | 163 | Sakamoto, Sakito (1528) | Lost 1-2 | -191566 |
| 5extended | 237 | Miura, Yuuki (1497) | Lost 1-2 | -191547 |
| top | average opponent: 1505record: 2-3 | new rating: 1547 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 202 | Izumida, Takuma (1500) | Won 2-0 | +181540 |
| 2extended | 217 | Yoshimura, Yutaka (1518) | Won 2-0 | +171557 |
| 3extended | 123 | Hayashi, Masataka (1450) | Lost 0-2 | -201537 |
| 4extended | 172 | Arahori, Kazuaki (1582) | Won 2-0 | +191556 |
| 5extended | 131 | Kaji, Kyousuke (1450) | Won 2-1 | +161572 |
| 6extended | 65 | Kinpara, Tsunahiro (1489) | Won 2-1 | +171589 |
| 7extended | 63 | Chiba, Ryou (1542) | Lost 1-2 | -191570 |
| 8extended | 161 | Kinoshita, Atsushi (1486) | Won 2-0 | +161586 |
| 9extended | 48 | Matsuda, Atsushi (1575) | Won 2-0 | +181604 |
| 10extended | 31 | Takahashi, Tetsuhiro (1598) | Lost 1-2 | -181586 |
| 11extended | 59 | Aridome, Tomohiro (1738) | Lost 0-2 | -151571 |
| top | average opponent: 1539record: 7-4 | new rating: 1571 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 33 | Tamura, Mitsuya (1522) | Won 2-1 | +191494 |
| 2sealed | 107 | Tsunemoto, Makoto (1478) | Lost 1-2 | -191475 |
| 3sealed | 112 | Taniguchi, Hiroaki (1559) | Lost 1-2 | -161459 |
| 4sealed | 204 | Yoshizawa, Takuya (1563) | Won 2-0 | +201479 |
| 5sealed | 136 | Nakahara, Yasuhiro (1561) | Won 2-0 | +191498 |
| 6sealed | 138 | Shirakura, Tsuyoshi (1553) | Won 2-1 | +191517 |
| 7sealed | 99 | Komiya, Tadayoshi (1706) | Won 2-1 | +221539 |
| 8sealed | 33 | Harada, Toshiyuki (1616) | Lost 0-2 | -171522 |
| top | average opponent: 1570record: 5-3 | new rating: 1522 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 174 | Hirai, Masumi (1531) | Won 0-0 | +191487 |
| 2sealed | 149 | Tanaka, Ittoku (1507) | Won 2-1 | +181505 |
| 3sealed | 1 | Komiya, Tadayoshi (1683) | Lost 1-2 | -151490 |
| 4sealed | 151 | Omichi, Nobuhito (1627) | Lost 1-2 | -151475 |
| top | average opponent: 1587record: 2-2 | new rating: 1475 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 61 | Yamada, Yuma (1521) | Lost 1-2 | -171447 |
| 2block | 265 | Tanaka, Eiji (1384) | Won 2-1 | +171464 |
| 3block | 289 | Kawaguchi, Hikaru (1417) | Won 2-1 | +171481 |
| 4block | 126 | Maeno, Ryuju (1555) | Lost 1-2 | -161465 |
| 5block | 282 | Murata, Akihiro (1503) | Won 2-0 | +181483 |
| 6block | 116 | Ishimaru, Ken (1603) | Lost 1-2 | -151468 |
| top | average opponent: 1497record: 3-3 | new rating: 1468 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 12 | Nohira, Takanori (1500) | Lost 1-2 | -181482 |
| 2extended | 139 | Izumi, Kimiaki (1473) | Lost 0-2 | -181464 |
| 3extended | 161 | Ishikawa, Masayo (1502) | Won 2-1 | +191483 |
| 4extended | 141 | Sasaki, Takeshi (1472) | Lost 0-2 | -191464 |
| top | average opponent: 1487record: 1-3 | new rating: 1464 | ||