Iitsuka, Yuuki
Current rating: 1490
Record: 47-46
| Regional Championships Yokohama 2023 (ONE standard) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 84 | Itou, Motoaki (2003) | Lost 0-2 | -111566 |
| 2standard | 73 | Akaike, Yo (1786) | Lost 1-2 | -141552 |
| 3standard | 93 | Sato, Shunsuke (1404) | Lost 0-2 | -211531 |
| 4standard | 89 | Yamazaki, Daisuke (1423) | Lost 0-2 | -201511 |
| 5standard | 81 | Makino, Takahito (1355) | Lost 0-2 | -211490 |
| top | average opponent: 1594record: 0-5 | new rating: 1490 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 125 | Seki, Kentaro (1585) | Won 2-1 | +191584 |
| 4standard | 169 | Moriyama, Yuu (1616) | Lost 0-2 | -181566 |
| 5standard | 263 | Neki, Daisuke (1401) | Won 2-1 | +151581 |
| 6standard | 126 | Matsubara, Yuusuke (1537) | Won 2-1 | +181599 |
| 7standard | 64 | Kawakami, Hiroshi (1725) | Won 2-1 | +201619 |
| 8standard | 48 | Miyagi, Moto (1720) | Won 2-0 | +201639 |
| 9standard | 41 | Yukuhiro, Ken (2050) | Lost 0-2 | -111628 |
| 10standard | 39 | Sumiyoshi, Hiroaki (1641) | Lost 1-2 | -181610 |
| 11standard | 110 | Tsutsui, Yuki (1817) | Lost 0-2 | -141596 |
| 12standard | 111 | Tanigawa, Futa (1536) | Lost 0-2 | -191577 |
| top | average opponent: 1663record: 5-5 | new rating: 1577 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 528 | Ueki, Yoshinori (1599) | Lost 1-2 | -181588 |
| 4sealed | 491 | Kawashima, Masashi (1561) | Lost 0-2 | -191569 |
| 5sealed | 742 | Xuan, Zhi Han (1455) | Won 2-0 | +161585 |
| 6sealed | 422 | Takase, Yusuke (1503) | Lost 0-2 | -191566 |
| 7sealed | 595 | Kondou, Masaki (1620) | Lost 1-2 | -171549 |
| 8sealed | 499 | Kobayashi, Yuki 7473 (1486) | Won 2-0 | +161565 |
| top | average opponent: 1537record: 2-4 | new rating: 1565 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 478 | Minobe, Shinya (1490) | Lost 1-2 | -201570 |
| 3standard | 766 | Hiroyama, Tomoki (1525) | Won 2-1 | +171587 |
| 4standard | 405 | Endo, Akira (1523) | Won 2-0 | +171604 |
| 5standard | 282 | Hirai, Eisuke (1536) | Won 2-1 | +171621 |
| 6standard | 109 | Takaya, Kensuke (1741) | Lost 1-2 | -161605 |
| 7standard | 396 | Hirayama, Shigetaka (1777) | Lost 0-2 | -151590 |
| 8standard | 366 | Mizoguchi, Satoru (1456) | Won 2-0 | +161606 |
| top | average opponent: 1578record: 4-3 | new rating: 1606 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1663 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 389 | Taniguchi, Yuki (1408) | Won 2-0 | +131676 |
| 3standard | 502 | Ohori, Akihito (1451) | Lost 0-2 | -221654 |
| 4standard | 614 | Masui, Norioki (1514) | Lost 0-2 | -201634 |
| 5standard | 720 | Kurosawa, Yuuki7831 (1364) | Lost 0-2 | -231611 |
| 6standard | 784 | Onishi, Akira (1455) | Lost 0-2 | -211590 |
| top | average opponent: 1439record: 1-4 | new rating: 1590 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1682 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 157 | Nakamura, Satoshi2634 (1466) | Lost 0-2 | -221660 |
| 4sealed | 542 | Wachigai, Hirotaka (1447) | Lost 0-2 | -221638 |
| 5sealed | 793 | Andou, Ryou (1518) | Lost 0-2 | -201618 |
| 6sealed | 803 | Kuriyama, Takuya (1455) | Won 2-0 | +151633 |
| 7sealed | 529 | Sarusawa, Yuichi (1309) | Won 2-1 | +121645 |
| 8sealed | 419 | Ainai, Taku (1603) | Won 2-0 | +181663 |
| top | average opponent: 1466record: 3-3 | new rating: 1663 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 258 | Kanazawa, Yuusuke (1479) | Won 2-1 | +161610 |
| 4standard | 336 | Chiba, Takato (1616) | Won 2-0 | +181628 |
| 5standard | 92 | Nakamura, Souta (1671) | Won 2-0 | +191647 |
| 6standard | 25 | Willems, Sjoerd (1766) | Lost 0-2 | -161631 |
| 7standard | 138 | Yamaguchi, Tomoyuki (1551) | Won 2-0 | +161647 |
| 8standard | 77 | Jinbo, Takashi (1624) | Won 2-0 | +181665 |
| 9standard | 45 | Utsunomiya, Takumi (1656) | Won 2-0 | +181683 |
| 10standard | 11 | Moriya, Toshihiko (1691) | Lost 1-2 | -181665 |
| 11standard | 53 | Kazaoka, Nicholle (1659) | Lost 0-2 | -181647 |
| 12standard | 162 | Katou, Masaya (1472) | Won 2-0 | +151662 |
| 13standard | 99 | Sato, Kimihiko (1779) | Lost 1-2 | -161646 |
| 14standard | 110 | Fujimoto, Yosuke (1675) | Won 2-1 | +181664 |
| 15standard | 67 | Ishii, Ryou (1653) | Won 2-0 | +181682 |
| top | average opponent: 1638record: 9-4 | new rating: 1682 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1605 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 202 | Takabe, Hiroshi (1467) | Won 2-1 | +151620 |
| 3legacy | 31 | Kodama, Kentaro (1596) | Won 2-0 | +181638 |
| 4legacy | 36 | Segou, Kenji (1630) | Lost 0-2 | -181620 |
| 5legacy | 528 | Hoshi, Kazuto (1736) | Lost 1-2 | -161604 |
| 6legacy | 478 | Kurata, Shintaro (1560) | Won 2-0 | +171621 |
| 7legacy | 407 | Asai, Ikuya (1718) | Lost 0-2 | -161605 |
| 8legacy | 465 | Pourmal, Sergei (1542) | Won 2-1 | +171622 |
| 9legacy | 366 | Sasaki, Hideya (1484) | Won 2-1 | +151637 |
| 10legacy | 299 | Tada, Naoyuki (1509) | Lost 0-2 | -201617 |
| 11legacy | 351 | Yamakabe, Syun (1521) | Won 2-1 | +161633 |
| 12legacy | 244 | Nakagawa, Shinichi (1492) | Lost 0-2 | -201613 |
| 13legacy | 287 | Tsujikawa, Taiga (1751) | Lost 1-2 | -161597 |
| 14legacy | 275 | Kawai, Kazunari (1517) | Won 2-1 | +171614 |
| 15legacy | 236 | Matsuda, Kenji (1504) | Lost 0-2 | -201594 |
| top | average opponent: 1573record: 7-7 | new rating: 1594 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 436 | Furukawa, Shun (1535) | Won 2-0 | +181513 |
| 4standard | 190 | Abe, Kenichi0313 (1554) | Won 2-1 | +191532 |
| 5standard | 128 | Ikawa, Yoshihiko (1828) | Lost 1-2 | -131519 |
| 6standard | 272 | Kobayashi, Kazuto (1673) | Lost 1-2 | -151504 |
| 7standard | 539 | Isogami, Kazuma (1536) | Won 2-0 | +191523 |
| 8standard | 454 | Toda, Yuhi (1622) | Won 2-1 | +191542 |
| 9standard | 232 | Fukuoka, Sou (1642) | Won 2-1 | +201562 |
| 10standard | 167 | Tanaka, Kento (1561) | Lost 1-2 | -181544 |
| 11standard | 238 | Sasaki, Yasuhiro (1594) | Won 2-0 | +191563 |
| 12standard | 166 | Lim, Yi Xiong Anselm (1577) | Won 2-0 | +181581 |
| 13standard | 85 | Nagao, Kengo (1770) | Lost 0-2 | -141567 |
| 14standard | 133 | Takeuchi, Ataru (1704) | Won 2-0 | +201587 |
| 15standard | 95 | Yoshida, Koki (1567) | Won 2-1 | +181605 |
| top | average opponent: 1628record: 9-4 | new rating: 1605 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 126 | Kasahara, Takuya (1575) | Lost 1-2 | -171536 |
| 2sealed | 794 | Nukita, Yosuke (1477) | Won 2-0 | +171553 |
| 3sealed | 865 | Tanaka, Sou (1369) | Lost 0-2 | -221531 |
| 4sealed | 1069 | Xu, Haoyu (1536) | Lost 1-2 | -171514 |
| 5sealed | 1091 | Kanto, Yohei (1461) | Lost 1-2 | -191495 |
| top | average opponent: 1484record: 1-4 | new rating: 1495 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2160 | Watanabe, Hirokazu (1451) | Lost 1-2 | -191481 |
| 2sealed | 2319 | Ichinomoto, Sho (1481) | Won 2-0 | +181499 |
| 3sealed | 2370 | Ishizaki, Takuya (1500) | Won 2-1 | +181517 |
| 4sealed | 2277 | Okuyama, Takeshi (1521) | Lost 1-2 | -181499 |
| 5sealed | 2333 | Kobayashi, Akihiro (1495) | Won 2-0 | +181517 |
| 6sealed | 2235 | Saito, Toru (1517) | Won 2-0 | +181535 |
| 7sealed | 2193 | Watanabe, Ryouta2795 (1537) | Lost 1-2 | -181517 |
| 8sealed | 2157 | Matsuda, Yukio (1550) | Won 2-0 | +191536 |
| 9sealed | 2106 | Kanasawa, Satohito (1521) | Won 2-0 | +171553 |
| top | average opponent: 1508record: 6-3 | new rating: 1553 | ||