Ikushima, Yasuyuki
Current rating: 1615
Record: 35-27
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1645 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 17 | Sato, Yuuki (1441) | Won 2-0 | +141659 |
| 4standard | 240 | Higono, Naoki (1722) | Won 2-0 | +191678 |
| 5standard | 25 | Iwatsu, Hirotaka (1603) | Lost 0-2 | -191659 |
| 6standard | 169 | Haruta, Takatsugu (1373) | Won 2-0 | +131672 |
| 7standard | 87 | Matsui, Yasuo (1585) | Lost 0-2 | -201652 |
| 8standard | 141 | Hirabayashi, Yuki2979 (1632) | Lost 0-2 | -181634 |
| 9standard | 294 | Sasabe, Yusuke (1593) | Lost 1-2 | -191615 |
| top | average opponent: 1564record: 3-4 | new rating: 1615 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1665 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 2019 | Peng, Jianjia (1525) | Lost 0-2 | -201645 |
| top | record: 0-1 | new rating: 1645 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1639 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 992 | Karita, Toyohisa (1500) | Won 2-1 | +161655 |
| 2modern | 802 | Yoshidomi, Shuuji (1492) | Won 2-1 | +151670 |
| 3modern | 713 | Nakatani, Hiroki (1522) | Won 2-1 | +151685 |
| 4modern | 753 | Nakata, Tatsuya (1616) | Won 2-1 | +171702 |
| 5modern | 728 | Chiba, Akio (1921) | Lost 0-2 | -141688 |
| 6modern | 809 | Morishita, Yoshihisa (1550) | Lost 0-2 | -211667 |
| 7modern | 898 | Chang, Stanley (1514) | Won 2-0 | +161683 |
| 8modern | 763 | Mochiki, Kazuto (1722) | Lost 0-2 | -181665 |
| top | average opponent: 1604record: 5-3 | new rating: 1665 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 90 | Kobayashi, Tetsuro (1500) | Won 2-1 | +171611 |
| 2sealed | 250 | Kawaguchi, Hikaru (1370) | Won 2-0 | +131624 |
| 3sealed | 176 | Hirai, Masumi (1393) | Won 2-0 | +141638 |
| 4sealed | 140 | Arai, Kenichiro (1552) | Won 2-0 | +171655 |
| 5sealed | 22 | Ayama, Takashi (1775) | Won 2-0 | +201675 |
| 6sealed | 18 | Yukuhiro, Ken (1853) | Lost 0-2 | -151660 |
| 7sealed | 57 | Sasaki, Yuusuke (Aichi) (1620) | Lost 0-2 | -191641 |
| 8sealed | 156 | Nakamura, Masaya (1590) | Won 2-1 | +171658 |
| 9sealed | 45 | Wada, Hiroya (1604) | Lost 1-2 | -191639 |
| top | average opponent: 1584record: 6-3 | new rating: 1639 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 88 | Tezuka, Yuuki (1443) | Won 2-0 | +151604 |
| 2extended | 138 | Iwane, Manabi (1439) | Lost 0-2 | -211583 |
| 3extended | 181 | Nishikawa, Seigo (1412) | Won 2-0 | +151598 |
| 4extended | 149 | Murata, Shouta (1513) | Lost 1-2 | -191579 |
| 5extended | 207 | Hamada, Shingo (1501) | Won 2-1 | +161595 |
| 6extended | 198 | Furukawa, Ken'ichi (1608) | Won 2-1 | +181613 |
| 7extended | 117 | Taniguchi, Yousuke (1562) | Lost 1-2 | -191594 |
| top | average opponent: 1497record: 4-3 | new rating: 1594 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 103 | Hayashi, Takatomo (1623) | Won 2-1 | +181607 |
| 3sealed | 50 | Inuzuka, Satoshi (1502) | Lost 1-2 | -191588 |
| 4sealed | 143 | Matsugami, Shigeo (1515) | Lost 1-2 | -201568 |
| 5sealed | 175 | Imagawa, Hiromasa (1714) | Won 2-1 | +211589 |
| top | average opponent: 1588record: 2-2 | new rating: 1589 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 114 | Niimi, Kiyoaki (1654) | Won 2-0 | +191604 |
| 3block | 56 | Takenaka, Yuuhi (1535) | Won 2-0 | +171621 |
| 4block | 79 | Miyanishi, Youhei (1600) | Lost 1-2 | -181603 |
| 5block | 61 | Tsuta, Naoto (1583) | Won 2-0 | +171620 |
| 6block | 52 | Ishimura, Shintaro (1847) | Lost 1-2 | -141606 |
| 7block | 144 | Hirose, Yuuki (1631) | Lost 0-2 | -171589 |
| top | average opponent: 1642record: 3-3 | new rating: 1589 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Tanaka, Yuuki (1500) | Won 2-0 | +181497 |
| 2standard | 113 | Kamanaka, Yuuhei (1519) | Lost 1-2 | -181479 |
| 3standard | 304 | Hirai, Masumi (1531) | Won 2-0 | +191498 |
| 4standard | 110 | Shimura, Ichirou (1812) | Won 2-0 | +241522 |
| 5standard | 144 | Umemoto, Kazuyoshi (1535) | Won 2-1 | +181540 |
| 6standard | 52 | Nakamura, Yusuke (1646) | Won 2-0 | +201560 |
| 7standard | 41 | Takesue, Chikara (1524) | Lost 1-2 | -191541 |
| 8standard | 99 | Okita, Yuji (1597) | Won 2-1 | +191560 |
| 9standard | 57 | Yamane, Masahiro (1535) | Won 2-0 | +181578 |
| 10standard | 47 | Takao, Akinao (1601) | Lost 0-2 | -181560 |
| 11standard | 41 | Ozaki, Youichirou (1548) | Lost 1-2 | -181542 |
| 12standard | 23 | Nakajima, Tomoya (1671) | Won 2-1 | +211563 |
| 13standard | 13 | Honnami, Tomoyuki (1657) | Lost 1-2 | -171546 |
| 14standard | 4 | Tamada, Ryoichi (1658) | Won 2-1 | +201566 |
| 15standard | 36 | Hayashi, Masahito (1608) | Won 2-1 | +191585 |
| top | average opponent: 1596record: 10-5 | new rating: 1585 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 80 | Oono, Toshihiro (1500) | Won 2-0 | +181518 |
| 2sealed | 5 | Samiso, Yutaka (1500) | Won 2-1 | +181536 |
| 3sealed | 54 | Honda, Masaya (1484) | Lost 1-2 | -191517 |
| 4sealed | 92 | Ishizaki, Ryousuke (1466) | Lost 1-2 | -191498 |
| 5sealed | 127 | Ishibashi, Yoshiro (1437) | Lost 1-2 | -191479 |
| top | average opponent: 1477record: 2-3 | new rating: 1479 | ||