Okamura, Kazuya
Current rating: 1422
Record: 30-37-1
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 634 | Tsukada, Kasumi (1500) | Won 2-1 | +201433 |
| 2sealed | 625 | Obata, Maiko (1472) | Won 2-0 | +181451 |
| 3sealed | 550 | Ikumi, Syun (1538) | Lost 1-2 | -161435 |
| 4sealed | 613 | Oosaki, Masakazu (1556) | Won 2-1 | +201455 |
| 5sealed | 684 | Miyazono, Takeshi (1603) | Lost 0-2 | -151440 |
| 6sealed | 680 | Oku, Kousuke (1436) | Lost 0-2 | -181422 |
| top | average opponent: 1517record: 3-3 | new rating: 1422 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1403 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 83 | Kataoka, Asami (1547) | Lost 0-2 | -151388 |
| 2sealed | 364 | Hill, Anthony (1535) | Won 2-1 | +211409 |
| 3sealed | 360 | Yew, Yu Win (1522) | Lost 1-2 | -161393 |
| 4sealed | 374 | Sugitani, Kyousuke (1465) | Lost 1-2 | -171376 |
| 5sealed | 445 | Takeuchi, Hidehito (1175) | Won 2-0 | +141390 |
| 6sealed | 358 | Kubo, Hirotaka (1465) | Lost 1-2 | -161374 |
| 7sealed | 317 | Shin, Doo Sik (1465) | Won 2-1 | +191393 |
| 8sealed | 259 | Nakai, Sunao (1481) | Won 2-1 | +201413 |
| top | average opponent: 1457record: 4-4 | new rating: 1413 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 159 | takekawa, yuki (1500) | Won 2-0 | +191462 |
| 2extended | 86 | Kishi, Tatsunori (1748) | Won 2-1 | +241486 |
| 3extended | 64 | Kikuchi, Yuuji (1760) | Lost 0-2 | -141472 |
| 4extended | 207 | I., Satoshi (1557) | Lost 0-2 | -161456 |
| 5extended | 235 | Shigehara, Toshinori (1590) | Lost 0-2 | -161440 |
| 6extended | 231 | Hirota, Ginjiro (1490) | Lost 0-2 | -171423 |
| 7extended | 195 | Kobayashi, Jun (1254) | Lost 0-2 | -211402 |
| 8extended | 153 | Kuyama, Teppei (1444) | Won 2-1 | +191421 |
| 9extended | 121 | Takibana, Hitoshi (1436) | Lost 0-2 | -181403 |
| top | average opponent: 1531record: 3-6 | new rating: 1403 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 146 | Suga, Tatsuya (1500) | Won 2-1 | +191451 |
| 2sealed | 11 | Shigehara, Toshinori (1644) | Won 2-0 | +211472 |
| 3sealed | 54 | Itou, Motoaki (1596) | Won 2-1 | +211493 |
| 4sealed | 14 | Akaike, Yo (1582) | Lost 0-2 | -171476 |
| 5sealed | 94 | Fujiki, Munemitsu (1534) | Lost 0-2 | -171459 |
| 6sealed | 141 | Harada, Toshiyuki (1579) | Lost 1-2 | -161443 |
| top | average opponent: 1573record: 3-3 | new rating: 1443 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 235 | Kimura, Shigeki (1397) | Lost 0-0 | -201486 |
| 2sealed | 257 | Matsumoto, Masataka (1545) | Lost 1-2 | -171469 |
| 3sealed | 253 | Nagata, Satoshi (1416) | Lost 0-2 | -191450 |
| 4sealed | 272 | Ito, Hidetoshi (1367) | Won 2-1 | +171467 |
| 5sealed | 236 | Obayashi, Makoto (1452) | Lost 1-2 | -191448 |
| 6sealed | 75 | itaya, daiki (1445) | Won 2-0 | +181466 |
| 7sealed | 79 | Okunaka, Masaki (1470) | Lost 1-2 | -181448 |
| 8sealed | 25 | Yagi, Hiroyuki (1520) | Lost 0-2 | -161432 |
| top | average opponent: 1451record: 2-6 | new rating: 1432 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 253 | Mochizuki, Takahito (1338) | Lost 0-2 | -211509 |
| 2block | 272 | Sugimoto, Hiroaki (1487) | Lost 0-2 | -191490 |
| 3block | 344 | Sekine, Kiyotaka (1425) | Won 2-1 | +171507 |
| 4block | 329 | Adachi, Ryosuke (1460) | Won 2-1 | +171524 |
| 5block | 197 | Takeo, Yuuki (1500) | Lost 0-2 | -181506 |
| top | average opponent: 1442record: 2-3 | new rating: 1506 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 68 | Yokoi, Masaki (1705) | Won 2-1 | +211551 |
| 5standard | 23 | Suzuki, Keisuke (1559) | Lost 0-2 | -181533 |
| 6standard | 184 | Shiraishi, Masaharu (1488) | Won 2-0 | +171550 |
| 7standard | 48 | Wen, Yuning (1537) | Lost 0-2 | -181532 |
| 8standard | 193 | Kaneyasu, Takeshi (1458) | Lost 1-2 | -191513 |
| 9standard | 165 | Takahashi, Kenji (1498) | Won 2-0 | +171530 |
| top | average opponent: 1541record: 3-3 | new rating: 1530 | ||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Aki, Yasutoshi (1582) | Won 2-0 | +211483 |
| 2sealed | 4 | Ueno, Takamasa (1543) | Won 2-0 | +191502 |
| 3sealed | 14 | Yu, Pi Hsiang (1517) | Won 2-0 | +181520 |
| 4sealed | 37 | Fujita, Tsuyoshi (1796) | Lost 1-2 | -131507 |
| 5sealed | 71 | Hirayama, Daisuke (1513) | Won 2-1 | +181525 |
| 6sealed | 19 | Tanaka, Hiroshi (1564) | Won 2-0 | +191544 |
| 7sealed | 59 | Kitazono, Kensuke (1584) | ID | 01544 |
| 8sealed | 4 | Nakano, Yoshitaka (1771) | Lost 1-2 | -141530 |
| top | average opponent: 1609record: 5-2-1 | new rating: 1530 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 276 | Nakamura, Yuu (1500) | Lost 0-2 | -181520 |
| 2standard | 347 | Tada, Hidenobu (1483) | Lost 0-2 | -191501 |
| 3standard | 345 | Horiuchi, Shouta (1465) | Lost 0-2 | -191482 |
| 4standard | 380 | Tsuneda, Masatoshi (1448) | Won 2-1 | +181500 |
| 5standard | 318 | Asano, Rei (1465) | Lost 0-2 | -191481 |
| 6standard | 291 | Hada, Atsushi (1439) | Lost 1-2 | -191462 |
| top | average opponent: 1466record: 1-5 | new rating: 1462 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 8 | Okamura, Hideki (1500) | Draw 1-1 | 01500 |
| 2sealed | 107 | Masuno, Ryosuke (1580) | Lost 0-2 | -171483 |
| 3sealed | 143 | Nakamura, Kousuke (1409) | Won 2-1 | +171500 |
| 4sealed | 133 | Fujimoto, Takehiro (Hyogo) (1497) | Won 2-0 | +181518 |
| 5sealed | 94 | Tanaka, Yoshinori (1532) | Won 2-0 | +181536 |
| 6sealed | 61 | Kishida, Hirokazu (1501) | Won 2-0 | +181554 |
| 7sealed | 37 | Tomita, Shuntarou (1705) | Lost 0-2 | -161538 |
| top | average opponent: 1532record: 4-2-1 | new rating: 1538 | ||