Iwakane, Yuya
Current rating: 1524
Record: 19-18
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 381 | Matsui, Yasuharu (1404) | Lost 1-2 | -211541 |
| 2standard | 582 | Ishiguro, Kenta (1590) | Lost 0-2 | -171524 |
| top | average opponent: 1497record: 0-2 | new rating: 1524 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2 | Hiroi, Yuta (1415) | Won 2-0 | +151558 |
| 2sealed | 159 | Kawai, Hiroki (1577) | Won 2-1 | +191577 |
| 3sealed | 145 | Kitayama, Masaya (1873) | Lost 1-2 | -131564 |
| 4sealed | 243 | Osako, Kazuki (1485) | Won 2-1 | +161580 |
| 5sealed | 122 | Arimitsu, Hayato (1539) | Won 2-1 | +181598 |
| 6sealed | 55 | Kukita, Takenao (1458) | Lost 1-2 | -211577 |
| 7sealed | 198 | Jinbo, Takashi (1536) | Won 2-1 | +171594 |
| 8sealed | 121 | Shiraishi, Hiroaki (1764) | Lost 1-2 | -151579 |
| 9sealed | 144 | Wentao, Qi (1586) | Lost 0-2 | -171562 |
| top | average opponent: 1582record: 5-4 | new rating: 1562 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 176 | Araki, Youhei (1491) | Won 2-1 | +171554 |
| 2standard | 92 | Tada, Hidenobu (1499) | Won 2-1 | +171571 |
| 3standard | 12 | Abe, Keisuke (1474) | Won 2-1 | +161587 |
| 4standard | 41 | Tsuda, Yasumasa (1563) | Lost 0-2 | -181569 |
| 5standard | 85 | Mori, Katsuhiro (1917) | Lost 0-2 | -121557 |
| 6standard | 135 | Yukuhiro, Ken (1756) | Lost 0-2 | -141543 |
| top | average opponent: 1617record: 3-3 | new rating: 1543 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 128 | Higa, Hiroto (1553) | Lost 0-2 | -181503 |
| 2sealed | 202 | Sasaki, Satoru (1417) | Won 2-1 | +171520 |
| 3sealed | 96 | Iino, Ryuji (1516) | Won 2-0 | +181538 |
| 4sealed | 140 | Ogawa, Hikaru (1518) | Won 2-0 | +171555 |
| 5sealed | 103 | Saito, Tomoya (1638) | Lost 1-2 | -161539 |
| 6sealed | 78 | Ikezoe, Seiji (1507) | Won 2-0 | +171556 |
| 7sealed | 69 | Sakamoto, Takurou (1476) | Lost 0-2 | -191537 |
| top | average opponent: 1518record: 4-3 | new rating: 1537 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 121 | Iwatsu, Hirotaka (1464) | Lost 0-2 | -191505 |
| 2extended | 195 | Yamano, Tomoya (1667) | Lost 0-2 | -151490 |
| 3extended | 218 | Tomizawa, Yuusuke (1465) | Won 2-1 | +181508 |
| 4extended | 244 | Sakakuchi, Takashi (1431) | Won 2-0 | +161524 |
| 5extended | 173 | Utsumi, Hironobu (1437) | Won 2-1 | +171541 |
| 6extended | 144 | Sugimura, Yoshiyasu (1502) | Lost 0-2 | -191522 |
| 7extended | 28 | Izumi, Hikaru (1520) | Won 2-1 | +181540 |
| 8extended | 59 | Hirota, Ginjiro (1484) | Lost 1-2 | -191521 |
| top | average opponent: 1496record: 4-4 | new rating: 1521 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Oono, Hirofumi (1494) | Won 0-0 | +181518 |
| 2sealed | 57 | Yamada, Yasushi (1659) | Won 2-1 | +201538 |
| 3sealed | 47 | Ootsuka, Tomomi (1507) | Won 2-0 | +181556 |
| 4sealed | 78 | Fujita, Osamu (1859) | Lost 0-2 | -131543 |
| 5sealed | 131 | Kishimoto, Hiromichi (1488) | Lost 0-2 | -191524 |
| top | average opponent: 1601record: 3-2 | new rating: 1524 | ||