Itakura, Toshiyuki
Current rating: 1605
Record: 24-16
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1676 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 711 | Yamashita, Kazunori (1500) | Lost 1-2 | -211655 |
| 2standard | 812 | Ohta, Show (1482) | Lost 0-2 | -211634 |
| 3standard | 1202 | Yoshida, Atsushi (1401) | Won 2-0 | +131647 |
| 4standard | 1088 | Hara, Akihiro (1449) | Lost 0-2 | -211626 |
| 5standard | 1083 | Shirahata, Ichiho (1465) | Lost 1-2 | -211605 |
| top | average opponent: 1459record: 1-4 | new rating: 1605 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 445 | Parpura, Gerasimvasilije (1500) | Won 2-0 | +161628 |
| 2sealed | 574 | Udagawa, Yoshihiko (1664) | Won 2-0 | +191647 |
| 3sealed | 356 | Yamada, Yoshiaki (1518) | Lost 1-2 | -211626 |
| 4sealed | 512 | Kamata, Toshihiko (1547) | Won 2-0 | +171643 |
| 5sealed | 335 | Kusunoki, Yuki (1553) | Lost 0-2 | -201623 |
| 6sealed | 424 | Igarashi, Takuma (1491) | Won 2-0 | +161639 |
| 7sealed | 341 | Shiraishi, Masaharu (1712) | Won 2-0 | +191658 |
| 8sealed | 237 | Hinohara, Toyokazu (1345) | Won 2-0 | +131671 |
| 9sealed | 183 | Takahashi, Tetsuhiro (1537) | Won 2-1 | +151686 |
| 10draft | 354 | Yamakawa, Hiroyuki (1489) | Won 2-1 | +151701 |
| 11draft | 252 | Hiwatashi, Yasurou (1657) | Lost 1-2 | -191682 |
| 12draft | 32 | Morita, Kouki (1687) | Lost 0-2 | -181664 |
| 13draft | 355 | Ishizaka, Akira (1492) | Won 2-1 | +151679 |
| 14draft | 275 | Iwazaki, Yuuta (1642) | Lost 0-2 | -191660 |
| 15draft | 94 | Nagato, Yusuke (1533) | Won 2-1 | +161676 |
| top | average opponent: 1558record: 10-5 | new rating: 1676 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1635 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2150 | Watanabe, Kensuke (1601) | Won 2-0 | +171652 |
| 2sealed | 2110 | Tanimoto, Masashi (1467) | Lost 0-2 | -211631 |
| 3sealed | 2306 | Ishikura, Kazuya (1496) | Won 2-1 | +151646 |
| 4sealed | 2234 | Suzuike, Fumiyasu (1761) | Lost 0-2 | -161630 |
| 5sealed | 2239 | Morita, Susumu (1614) | Lost 1-2 | -181612 |
| top | average opponent: 1588record: 2-3 | new rating: 1612 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 601 | Kobayashi, Makoto (1480) | Won 2-1 | +181518 |
| 2sealed | 707 | Morikawa, Youhei (1448) | Won 2-0 | +161534 |
| 3sealed | 766 | Asahara, Akira (1961) | Lost 0-2 | -101524 |
| 4sealed | 825 | Nagai, Rikiya (1520) | Lost 1-2 | -181506 |
| 5sealed | 935 | Tamai, Toshimasa (1472) | Won 2-0 | +171523 |
| 6sealed | 850 | Yanaseko, Riri (1434) | Won 2-0 | +161539 |
| 7sealed | 797 | Katsuta, Souichi (1587) | Won 2-0 | +191558 |
| 8sealed | 740 | Suzuki, Masahiro (1592) | Won 2-0 | +191577 |
| 9sealed | 655 | Yamada, Takaaki (1654) | Won 2-1 | +191596 |
| 10draft | 51 | Ooi, Masaki (1591) | Won 2-0 | +181614 |
| 11draft | 83 | Tanaka, Kimitaka (1663) | Won 2-0 | +191633 |
| 12draft | 45 | Ishii, Taiyo (1448) | Lost 1-2 | -211612 |
| 13draft | 20 | Tanaka, Akira (1712) | Lost 1-2 | -161596 |
| 14draft | 30 | Kubota, Takeshi (1606) | Won 2-1 | +181614 |
| 15draft | 37 | Suzuki, Kei (1781) | Won 2-1 | +211635 |
| top | average opponent: 1597record: 11-4 | new rating: 1635 | ||