Iwase, Akira
Current rating: 1773 (#3011)
Record: 52-36-1
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1669 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 23 | Tsukada, Hiroshi (1425) | Won 2-1 | +131682 |
| 3standard | 246 | Kobayashi, Yuuki 0719 (1464) | Won 2-1 | +141696 |
| 4standard | 284 | Takasugi, Tomoki (1481) | Won 2-0 | +151711 |
| 5standard | 114 | Murata, Toshiaki (1898) | Lost 0-2 | -151696 |
| 6standard | 225 | Ikeyama, Kei (1576) | Won 2-1 | +161712 |
| 7standard | 63 | Tomita, Naoki (1574) | Lost 0-2 | -211691 |
| 8standard | 306 | Yasuda, Takaaki (1526) | Won 2-0 | +151706 |
| 9standard | 121 | Kondou, Masaki (1414) | Won 2-1 | +131719 |
| 10standard | 114 | Kobayashi, Kazutaka (1756) | Won 2-0 | +191738 |
| 11standard | 45 | Yamamura, Yuma (1592) | Won 2-1 | +151753 |
| 12standard | 65 | Yoshizawa, Kaoru (1592) | Won 2-1 | +151768 |
| 13standard | 16 | Matsumoto, Yuki2978 (1984) | Won 2-1 | +221790 |
| 14standard | 8 | Ishikawa, Shou (1756) | Draw 1-1 | 01790 |
| 15standard | 16 | Koyama, Yuji (1848) | Lost 1-2 | -171773 |
| top | average opponent: 1635record: 10-3-1 | new rating: 1773 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1677 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 542 | Goshima, Akito (1630) | Won 2-1 | +171694 |
| 3sealed | 46 | Ganbe, Masumi (1519) | Won 2-0 | +151709 |
| 4sealed | 89 | Suzuki, Fumito (1649) | Won 2-0 | +171726 |
| 5sealed | 118 | Kokubun, Takeshi (1730) | Lost 0-2 | -181708 |
| 6sealed | 171 | Koh, Kai Che (1595) | Won 2-1 | +161724 |
| 7sealed | 142 | Shiozu, Ryouma (1803) | Won 2-1 | +191743 |
| 8sealed | 67 | Yabuta, Junichi (1816) | Lost 1-2 | -171726 |
| 9sealed | 195 | Lam, Tsz Yeung (1922) | Lost 0-2 | -141712 |
| 10draft | 240 | Maruyama, Satoshi (1523) | Lost 1-2 | -221690 |
| 11draft | 210 | Nagami, Youichi (1741) | Lost 1-2 | -171673 |
| 12draft | 275 | Hirayama, Hideyuki (1635) | Lost 1-2 | -181655 |
| 13draft | 160 | Kawashita, Makoto (1625) | Won 2-0 | +171672 |
| 14draft | 138 | Nishikawa, Yukihiro (1588) | Won 2-1 | +171689 |
| 15draft | 115 | Kageyama, Hiroki (1585) | Lost 1-2 | -201669 |
| top | average opponent: 1669record: 7-7 | new rating: 1669 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1651 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 1092 | Hirata, Keiitirou (1530) | Won 2-1 | +161667 |
| 3sealed | 882 | Hayakawa, Sho (1538) | Won 2-0 | +151682 |
| 4sealed | 850 | Suga, Hiroki (1533) | Lost 0-2 | -201662 |
| 5sealed | 957 | Ishii, Yuki (1450) | Won 2-1 | +141676 |
| 6sealed | 834 | Ootsuka, Koutarou (1839) | Won 2-1 | +211697 |
| 7sealed | 820 | Kadota, Shinichi (1597) | Lost 1-2 | -201677 |
| 8sealed | 904 | Senba, Kotaro (1724) | Lost 1-2 | -171660 |
| 9sealed | 933 | Chin, Mouse (1594) | Won 2-0 | +171677 |
| top | average opponent: 1601record: 5-3 | new rating: 1677 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 22 | Fukushima, Takayuki (1518) | Won 2-0 | +181563 |
| 3sealed | 68 | Ito, Yuuko (1331) | Won 2-0 | +131576 |
| 4sealed | 8 | Kaneta, Taku (1537) | Won 2-0 | +181594 |
| 5sealed | 37 | Itani, Hiroshi (1597) | Won 2-1 | +181612 |
| 6sealed | 19 | Son, Kii (1538) | Lost 1-2 | -201592 |
| 7sealed | 52 | Ueda, Ryo (1578) | Won 2-1 | +181610 |
| 8sealed | 42 | Nakamura, Junya (1783) | Won 2-0 | +211631 |
| 9sealed | 23 | Fujimori, Masayoshi (1643) | Lost 1-2 | -181613 |
| 10draft | 19 | Iino, Ryuji (1672) | Lost 0-2 | -161597 |
| 11draft | 20 | Okada, Keita (1557) | Won 2-1 | +171614 |
| 12draft | 13 | Horie, Tooru (1631) | Won 2-0 | +181632 |
| 13draft | 27 | Sibata, Kouji (1612) | Won 2-1 | +181650 |
| 14draft | 96 | Nagami, Youichi (1730) | Lost 1-2 | -171633 |
| 15draft | 64 | Ooi, Masaki (1612) | Won 2-0 | +181651 |
| top | average opponent: 1596record: 10-4 | new rating: 1651 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 620 | Ishigami, Nobuhide (1488) | Lost 1-2 | -181509 |
| 4standard | 733 | Sakatani, Tsuyoshi (1527) | Won 2-0 | +181527 |
| 5standard | 604 | Takeuchi, Keisuke (1536) | Won 2-0 | +181545 |
| 6standard | 560 | Takahashi, Osamu (1483) | Won 2-1 | +171562 |
| 7standard | 572 | Kobayashi, Yuuki 9574 (1574) | Lost 0-2 | -181544 |
| 8standard | 604 | Gohara, Akira (1587) | Lost 1-2 | -171527 |
| 9standard | 736 | Yamazaki, Yuuki???? (1537) | Won 2-1 | +181545 |
| top | average opponent: 1533record: 4-3 | new rating: 1545 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 225 | Shiota, Fumihiko (1632) | Won 2-0 | +201550 |
| 2standard | 183 | Suzuki, Shogo (1426) | Lost 0-2 | -201530 |
| 3standard | 349 | Oshima, Takashi (1502) | Lost 1-2 | -181512 |
| 4standard | 582 | Takahashi, Hidekazu (1478) | Won 2-1 | +171529 |
| 5standard | 620 | Inou, Kazuhiro (1462) | Won 2-0 | +171546 |
| 6standard | 462 | Narita, Kazuyoshi (1520) | Lost 1-2 | -191527 |
| top | average opponent: 1503record: 3-3 | new rating: 1527 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 59 | Mukuno, Yuuji (1660) | Won 2-0 | +201568 |
| 3extended | 108 | Ogawa, Hiroyuki (1552) | Lost 0-2 | -191549 |
| 4extended | 262 | Hasegawa, Gaku (1536) | Won 2-0 | +181567 |
| 5extended | 97 | Harada, Toshiyuki (1624) | Lost 1-2 | -171550 |
| 6extended | 236 | Ushikubo, Kenichi (1460) | Lost 1-2 | -201530 |
| top | average opponent: 1566record: 2-3 | new rating: 1530 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 40 | Dan, Takuya (1577) | Lost 1-2 | -171548 |
| top | record: 0-1 | new rating: 1548 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 243 | Okada, Kou (1626) | Lost 0-2 | -161482 |
| 2sealed | 246 | maruyama, masatada (1484) | Won 2-0 | +181500 |
| 3sealed | 197 | Tsuji, Hisanao (1495) | Won 2-1 | +181518 |
| 4sealed | 109 | banzuela, david shane (1549) | Won 2-0 | +191537 |
| 5sealed | 80 | souma, hideaki (1543) | Won 2-1 | +181555 |
| 6sealed | 76 | Iwasaki, Yuusuke (1767) | Lost 0-2 | -141541 |
| 7sealed | 67 | Yamamoto, Hiroshi (1538) | Won 2-1 | +181559 |
| 8sealed | 66 | Kaneko, Masayuki (1541) | Won 2-0 | +171576 |
| 9sealed | 25 | Nakamura, Shuhei (1978) | Lost 0-2 | -111565 |
| top | average opponent: 1613record: 6-3 | new rating: 1565 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 74 | Oosawa, Jun (1447) | Won 2-1 | +181484 |
| 2extended | 18 | Kurakami, Shun (1690) | Won 2-0 | +211505 |
| 3extended | 23 | Yoshinaga, Mitsuteru (1558) | Won 2-1 | +191524 |
| 4extended | 63 | Kimura, Nobuhisa (1579) | Lost 1-2 | -171507 |
| 5extended | 85 | Mori, Junpei (1665) | Won 2-1 | +211528 |
| 6extended | 46 | Fujimoto, Yosuke (1535) | Lost 0-2 | -181510 |
| 7extended | 66 | Takagi, Takayuki (1835) | Lost 0-2 | -121498 |
| top | average opponent: 1616record: 4-3 | new rating: 1498 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 104 | Nakamura, Fumitake (1420) | Lost 0-2 | -191481 |
| 2block | 305 | Matsushima, Yuuya (1487) | Won 2-1 | +181499 |
| 3block | 257 | Hirata, Minoru (1628) | Lost 1-2 | -161483 |
| 4block | 325 | Nakamura, Hajime (1539) | Lost 0-2 | -171466 |
| top | average opponent: 1519record: 1-3 | new rating: 1466 | ||