Ikedo, Masakazu
Current rating: 1654
Record: 78-58-4
Grand Prix Hiroshima 2003Grand Prix Yokohama 2003Grand Prix Okayama 2004Grand Prix Shizuoka 2008Grand Prix Yokohama 2010Grand Prix Kobe 2011Grand Prix Yokohama 2012Grand Prix Nagoya 2012Grand Prix Shizuoka 2013Grand Prix Kobe 2014Grand Prix Kyoto 2015Grand Prix Chiba 2016Grand Prix Kobe 2017Grand Prix Shizuoka 2018 (legacy)
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1632 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 467 | Michibata, Tatsuya (1668) | Won 2-1 | +181650 |
| 2legacy | 216 | Ichimura, Yuji (1493) | Lost 0-2 | -201630 |
| 3legacy | 316 | Kawara, Hiroshi (1527) | Won 2-0 | +161646 |
| 4legacy | 332 | Tabata, Ryuya (1456) | Won 2-0 | +141660 |
| 5legacy | 85 | Partinen, Simo (1650) | Lost 0-2 | -181642 |
| 6legacy | 350 | Suzuki, Yuuhei (1389) | Won 2-1 | +141656 |
| 7legacy | 262 | Miyamoto, Yohei (1648) | Lost 1-2 | -191637 |
| 8legacy | 228 | Han, Yi (1577) | Won 2-0 | +171654 |
| top | average opponent: 1551record: 5-3 | new rating: 1654 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 127 | Inoue, Seiya (1363) | Won 2-1 | +131610 |
| 2modern | 73 | Mogami, Akihisa (1463) | Won 2-0 | +161626 |
| 3modern | 290 | Wada, Yusuke (1487) | Won 2-1 | +151641 |
| 4modern | 107 | Miyoshi, Nobumitsu (1436) | Won 2-0 | +151656 |
| 5modern | 23 | Kobayashi, Masanori (1571) | Won 2-0 | +161672 |
| 6modern | 15 | Kitagawa, Yuta (1638) | Lost 1-2 | -191653 |
| 7modern | 129 | Tamura, Chiaki (1630) | Won 2-0 | +181671 |
| 8modern | 47 | Tadamoto, Seiji (1578) | Won 2-1 | +161687 |
| 9modern | 37 | Oohashi, Toshiya (1681) | Lost 0-2 | -181669 |
| 10modern | 70 | Ishii, Ryou (1672) | Lost 0-2 | -181651 |
| 11modern | 221 | Fukunaga, Keisuke (1569) | Won 2-1 | +171668 |
| 12modern | 129 | Nakao, Motohiko (1595) | Won 2-0 | +161684 |
| 13modern | 67 | Oomori, Yasutomo (1826) | Lost 0-2 | -151669 |
| 14modern | 169 | Ito, Shinichi (1687) | Lost 1-2 | -181651 |
| 15modern | 141 | Xu, Siying (1564) | Lost 0-2 | -191632 |
| top | average opponent: 1584record: 9-6 | new rating: 1632 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1641 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 300 | Sugaya, Ryo (1500) | Won 2-0 | +161657 |
| 2legacy | 100 | Matsushima, Naoki (1244) | Lost 1-2 | -251632 |
| 3legacy | 610 | Kawasaki, Hideto (1480) | Won 2-0 | +151647 |
| 4legacy | 609 | Sakamoto, Jun (1534) | Lost 0-2 | -201627 |
| 5legacy | 600 | Igarashi, Takuto (1501) | Won 2-1 | +151642 |
| 6legacy | 490 | Horie, Tubasa (1521) | Won 2-0 | +161658 |
| 7legacy | 346 | Nguyen, Edward (1578) | Won 2-0 | +171675 |
| 8legacy | 347 | Terai, Tadayuki (1505) | Lost 0-2 | -211654 |
| 9legacy | 311 | Sasagawa, Hitoshi (1488) | Won 2-0 | +151669 |
| 10legacy | 289 | Tamada, Ryoichi (1850) | Won 2-0 | +211690 |
| 11legacy | 235 | Hirami, Tomonori (1961) | Lost 1-2 | -131677 |
| 12legacy | 229 | Hiromasa, Ryuusuke (1630) | Lost 1-2 | -191658 |
| 13legacy | 280 | Takenaka, Susumu (1404) | Lost 0-2 | -231635 |
| 14legacy | 265 | Schiber, Christopher (1587) | Lost 0-2 | -181617 |
| 15legacy | 268 | Futagi, Yuki (1512) | Lost 0-2 | -201597 |
| top | average opponent: 1553record: 7-8 | new rating: 1597 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1657 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 237 | Hosokawa, Takahiro (1463) | Won 2-0 | +151672 |
| 2legacy | 168 | Takemura, Yoshiyuki (1484) | Won 2-1 | +141686 |
| 3legacy | 205 | Nakai, Sunao (1665) | Lost 1-2 | -181668 |
| 4legacy | 132 | Takada, Hiroki (1480) | Lost 1-2 | -221646 |
| 5legacy | 310 | Miyajima, Jun'Ichi (1553) | Won 2-1 | +171663 |
| 6legacy | 144 | Seno, Takuto (1464) | Lost 0-2 | -221641 |
| top | average opponent: 1518record: 3-3 | new rating: 1641 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1694 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 960 | Minami, Daiki (1497) | Won 2-1 | +141708 |
| 2modern | 906 | Imaizumi, Riku (1502) | Lost 1-2 | -211687 |
| 3modern | 1097 | Yuki, Ryosuke (1411) | Won 2-1 | +131700 |
| 4modern | 993 | Niikura, Daisuke (1517) | Lost 0-2 | -221678 |
| 5modern | 982 | Ji, Gang (1502) | Lost 1-2 | -211657 |
| top | average opponent: 1486record: 2-3 | new rating: 1657 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1668 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 2 | Asai, Keniti (1500) | Lost 0-2 | -211647 |
| 2standard | 302 | Yoshihara, Shinji (1447) | Won 2-0 | +141661 |
| 3standard | 283 | Hayashi, Syouichirou (1494) | Lost 1-2 | -211640 |
| 4standard | 297 | Mochizuki, Issei (1485) | Won 2-0 | +161656 |
| 5standard | 269 | Yamashita, Hiromichi (1408) | Won 2-1 | +131669 |
| 6standard | 148 | Takahashi, Daichi (1518) | Won 2-0 | +151684 |
| 7standard | 81 | Uchida, Yuki (1568) | Won 2-0 | +161700 |
| 8standard | 75 | Shiraishi, Shinji (1476) | Won 2-0 | +141714 |
| 9standard | 221 | Hoshino, Masaaki (1577) | Lost 1-2 | -201694 |
| top | average opponent: 1497record: 6-3 | new rating: 1694 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1751 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 322 | Yoshida, Takefumi (1518) | Lost 0-2 | -221729 |
| 3standard | 598 | Kirito, Keisuke (1500) | Lost 0-2 | -221707 |
| 4standard | 715 | Terada, Shuuhei (1595) | Won 2-1 | +161723 |
| 5standard | 405 | Hishiyama, Norimichi (1500) | Lost 1-2 | -221701 |
| 6standard | 519 | Masuyama, Yuko (1277) | Lost 1-2 | -251676 |
| 7standard | 542 | Matsuoka, Takayuki (1399) | Won 2-0 | +131689 |
| 8standard | 403 | Minagawa, Daisuke (1541) | Lost 0-2 | -211668 |
| top | average opponent: 1476record: 2-5 | new rating: 1668 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1671 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 19 | Mayaguchi, Masaru (1471) | Won 2-1 | +151686 |
| 2modern | 55 | Ueda, Takushi (1485) | Lost 1-2 | -221664 |
| 3modern | 455 | Mitsuhashi, Shou (1436) | Won 2-1 | +141678 |
| 4modern | 219 | Wakata, Kazuya (1516) | Won 2-0 | +151693 |
| 5modern | 120 | Lai, Jin-Xun (1481) | Won 2-1 | +141707 |
| 6modern | 180 | Juza, Martin (1875) | Lost 0-2 | -151692 |
| 7modern | 263 | Higuchi, Akashi (1525) | Won 2-1 | +151707 |
| 8modern | 103 | Takano, Kouhei (1507) | Won 2-1 | +151722 |
| 9modern | 71 | Tozuka, Kouta (1680) | Won 2-1 | +171739 |
| 10modern | 45 | Nishiwaki, Yuta (1583) | Won 2-1 | +151754 |
| 11modern | 30 | Mori, Katsuhiro (2049) | Won 2-1 | +231777 |
| 12modern | 12 | Mochizuki, Kouta (1615) | Won 2-0 | +151792 |
| 13modern | 16 | Miyamoto, Hiroya (1695) | Lost 1-2 | -191773 |
| 14modern | 24 | Sakamoto, Sakito (1765) | Lost 0-2 | -191754 |
| 15modern | 43 | Kawashima, Seiki (1614) | Won 2-1 | +161770 |
| 16modern | 24 | Yao, Shunsuke (1735) | Lost 1-2 | -191751 |
| top | average opponent: 1627record: 11-5 | new rating: 1751 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1640 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 51 | Takata, Mutsumu (1500) | Won 2-1 | +151655 |
| 2extended | 4 | Kugi, Atushi (1481) | Won 2-0 | +151670 |
| 3extended | 41 | M., Seita (1539) | Lost 0-2 | -201650 |
| 4extended | 119 | Hori, Naomi (1518) | Won 2-1 | +161666 |
| 5extended | 73 | Okamoto, Masahiro (1512) | Won 2-1 | +151681 |
| 6extended | 62 | Ikeda, Kazuki (1590) | Lost 1-2 | -201661 |
| 7extended | 74 | Yokoyama, Yoshihiro (1489) | Lost 1-2 | -211640 |
| 8extended | 135 | Kato, Akinori (1506) | Won 2-0 | +161656 |
| 9extended | 87 | Yamakawa, Youichirou (1525) | Won 2-0 | +151671 |
| top | average opponent: 1518record: 6-3 | new rating: 1671 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 138 | Ashikaga, Masatoshi (1583) | Won 2-1 | +181626 |
| 2extended | 216 | Eda, Takeshi (1652) | Won 2-1 | +181644 |
| 3extended | 17 | Teragaki, Shunsuke (1553) | Won 2-1 | +171661 |
| 4extended | 4 | Yasooka, Shota (1915) | Lost 0-2 | -141647 |
| 5extended | 174 | Kotouge, Tatsuya (1640) | Won 2-0 | +181665 |
| 6extended | 122 | Kosuga, Shuhei (1412) | Lost 1-2 | -231642 |
| 7extended | 125 | Yokozawa, Naoya (1521) | Won 2-0 | +161658 |
| 8extended | 67 | Date, Hiroshi (1599) | Won 2-0 | +171675 |
| 9extended | 68 | Satou, Masataka (1540) | Won 2-0 | +161691 |
| 10extended | 42 | Abe, Motoki (1496) | Lost 0-2 | -221669 |
| 11extended | 52 | Ikeda, Tsuyoshi (1940) | Lost 1-2 | -131656 |
| 12extended | 60 | Mitamura, Kazuya (1862) | Lost 1-2 | -141642 |
| 13extended | 58 | Park, Bong-Jin (1539) | Won 2-0 | +161658 |
| 14extended | 51 | Hosokawa, Yuya (1676) | Lost 1-2 | -181640 |
| 15extended | 44 | Kato, Shinya (Saitama (1627) | Draw 1-1 | 01640 |
| top | average opponent: 1637record: 8-6-1 | new rating: 1640 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1583 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 9 | Yonezawa, Hajime (1481) | Lost 0-2 | -201563 |
| 2standard | 357 | Hayashi, Shinsuke (1706) | Lost 1-2 | -151548 |
| 3standard | 334 | Kishimoto, Hiromichi (1464) | Won 2-1 | +161564 |
| 4standard | 355 | Yanagihara, Hiroki (1573) | Won 2-1 | +181582 |
| 5standard | 195 | Kadooka, Toshiyuki (1622) | Won 2-0 | +191601 |
| 6standard | 135 | Chijimi, Keiichi (1693) | Won 2-1 | +201621 |
| 7standard | 250 | Nakamura, Shuhei (1939) | Lost 0-2 | -131608 |
| top | average opponent: 1640record: 4-3 | new rating: 1608 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 65 | Takahara, Hitoki (1464) | Lost 1-2 | -191534 |
| 2extended | 124 | Kobashi, Hideto (1481) | Lost 0-2 | -191515 |
| 3extended | 174 | Shiraga, Motoaki (1464) | Won 2-0 | +171532 |
| 4extended | 172 | Hosomi, Yuuichi (1484) | Lost 0-2 | -191513 |
| 5extended | 164 | Takasaki, Masahumi (1464) | Won 2-0 | +171530 |
| 6extended | 141 | Kawabata, Masanori (1477) | Won 2-0 | +171547 |
| 7extended | 95 | Juumonji, Tarou (1578) | Won 2-1 | +191566 |
| 8extended | 68 | Kawabata, Norihiro (1521) | Won 1-0 | +171583 |
| top | average opponent: 1492record: 5-3 | new rating: 1583 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 217 | Murayama, Yoshiyuki (1485) | Lost 0-2 | -201559 |
| 3block | 244 | Masumoto, Takeshi (1500) | Won 2-0 | +171576 |
| 4block | 212 | Satou, Tomoya (1505) | Draw 1-1 | -11575 |
| 5block | 176 | Mezaki, Kouichi (1502) | Won 2-0 | +171592 |
| 6block | 110 | Fujie, Tsuyoshi (1535) | Lost 1-2 | -191573 |
| 7block | 174 | Kobayashi, Hiroyuki (1504) | Lost 1-2 | -201553 |
| top | average opponent: 1505record: 2-3-1 | new rating: 1553 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 106 | Goto, Kiyoaki (1500) | Lost 1-2 | -181482 |
| 2extended | 125 | Katayama, Koujun (1482) | Won 2-0 | +181500 |
| 3extended | 140 | Matsumoto, Kenji (1514) | Won 2-1 | +181518 |
| 4extended | 62 | Kishimoto, Yuuichi (1501) | Won 2-0 | +181536 |
| 5extended | 48 | Kounoike, Masaki (1525) | Won 2-0 | +181554 |
| 6extended | 42 | Sawada, Youhei (1554) | Won 2-0 | +181572 |
| 7extended | 16 | Suzuki, Kenta (1614) | Won 2-0 | +191591 |
| 8extended | 12 | Nakano, Yoshitaka (1596) | Draw 1-1 | 01591 |
| 9extended | 16 | Yuasa, Kentarou (1711) | Won 2-0 | +201611 |
| 10extended | 10 | Mori, Katsuhiro (1902) | Lost 1-2 | -131598 |
| 11extended | 13 | Takahashi, Kenji (1595) | Lost 0-2 | -181580 |
| 12extended | 22 | Ohnishi, Koji (1521) | Draw 1-1 | -11579 |
| 13extended | 24 | Kato, Kazuki (1632) | Lost 1-2 | -171562 |
| 14extended | 26 | Kobashi, Hideto (1516) | Won 2-0 | +171579 |
| top | average opponent: 1583record: 8-4-2 | new rating: 1579 | ||