Maruyama, Yuichiro
Current rating: 1603
Record: 61-53-4
Grand Prix Nagoya 2014Grand Prix Shizuoka 2015Grand Prix Kyoto 2015Grand Prix Kobe 2015Grand Prix Nagoya 2016Grand Prix Tokyo 2016Grand Prix Chiba 2016Grand Prix Shizuoka 2017Grand Prix Kobe 2017Grand Prix Kyoto 2017Grand Prix Chiba 2018Grand Prix Shizuoka 2018 (standard)Grand Prix Kyoto 2019Grand Prix Nagoya 2020Regional Championships Aichi 2023
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 66 | Ueki, Yuuya (1597) | Won 2-1 | +201526 |
| 2pioneer | 22 | Okamura, Marei (1826) | Won 2-0 | +231549 |
| 3pioneer | 24 | Kaiho, Yuta (1541) | Won 2-0 | +181567 |
| 4pioneer | 7 | Hosokawa, Yuya (1957) | Lost 0-2 | -111556 |
| 5pioneer | 30 | Tanaka, Yu (1687) | Won 2-1 | +201576 |
| 6pioneer | 13 | Yamada, Yasushi (1687) | Won 2-0 | +201596 |
| 7pioneer | 10 | Usui, Haruki (1874) | Won 2-1 | +231619 |
| 8pioneer | 5 | Matsuda, Issei (1660) | Lost 0-2 | -171602 |
| 9pioneer | 13 | Yokokawa, Yuta (1504) | Lost 0-2 | -201582 |
| 10pioneer | 20 | Ishikawa, Hikaru (1599) | Won 2-1 | +191601 |
| 11pioneer | 11 | Shimizu, Naoto (1590) | Lost 0-2 | -191582 |
| 12pioneer | 15 | Ookura, Haruka (1734) | Won 2-0 | +211603 |
| top | average opponent: 1688record: 8-4 | new rating: 1603 | ||
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 332 | Iwaki, Yuta (1546) | Won 2-0 | +181554 |
| 4pioneer | 136 | Oiso, Kenji (1776) | Lost 1-2 | -141540 |
| 5pioneer | 269 | Sasaki, Shin (1535) | Lost 0-2 | -181522 |
| 6pioneer | 409 | Fukushima, Yuuhei (1646) | Lost 1-2 | -161506 |
| top | average opponent: 1626record: 1-3 | new rating: 1506 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 56 | Kokubun, Takeshi (1712) | Lost 1-2 | -161574 |
| 4standard | 483 | Takashima, Yuichiro (1520) | Lost 1-2 | -191555 |
| 5standard | 528 | Higashimori, Kazunori (1483) | Lost 1-2 | -191536 |
| top | average opponent: 1572record: 0-3 | new rating: 1536 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 552 | Nakamura, Kouki 3727 (1469) | Won 2-1 | +161616 |
| 4standard | 242 | Ota, Sho (1564) | Won 2-0 | +171633 |
| 5standard | 204 | Nakajima, Hiroki (1429) | Lost 0-2 | -221611 |
| 6standard | 268 | Kamei, Toshio (1590) | Won 2-0 | +181629 |
| 7standard | 232 | Ooura, Masaki (1569) | Lost 1-2 | -191610 |
| 8standard | 456 | Yamade, Masato (1530) | Lost 1-2 | -201590 |
| top | average opponent: 1525record: 3-3 | new rating: 1590 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1641 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 46 | Aoki, Yoshitsugu (1609) | Won 2-1 | +171658 |
| 4sealed | 178 | Sakurai, Kouta (1557) | Lost 0-2 | -201638 |
| 5sealed | 141 | Zhu, David (1615) | Lost 1-2 | -181620 |
| 6sealed | 611 | Azuma, Nobuaki (1517) | Lost 0-2 | -201600 |
| top | average opponent: 1575record: 1-3 | new rating: 1600 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1643 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 304 | Yoshizawa, Kaoru (1566) | Won 2-0 | +161659 |
| 4sealed | 300 | Matsui, Hisataka (1861) | Lost 0-2 | -141645 |
| 5sealed | 241 | Pernankil, Avenash (1909) | Draw 1-1 | +51650 |
| 6sealed | 351 | Yamasaki, Takumi (1581) | Lost 0-2 | -201630 |
| 7sealed | 548 | Horii, Shingo (1521) | Won 2-1 | +161646 |
| 8sealed | 371 | Murata, Tetsuhiro (1516) | Won 2-1 | +161662 |
| 9sealed | 248 | Hayashi, Masashi (1490) | Lost 0-2 | -211641 |
| top | average opponent: 1635record: 3-3-1 | new rating: 1641 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1627 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 653 | Oda, Hajime (1541) | Won 2-0 | +161643 |
| 4modern | 219 | Hayashi, Katsuji (1493) | Won 2-0 | +161659 |
| 5modern | 32 | Miyake, Kyohei (1999) | Lost 0-2 | -121647 |
| 6modern | 194 | Maruyama, Shuji (1554) | Won 2-0 | +161663 |
| 7modern | 62 | Kumao, Yugo (1544) | Won 2-0 | +161679 |
| 8modern | 116 | Watanabe, Yuta (1729) | Lost 0-2 | -171662 |
| 9modern | 109 | Tanaka, Akira (1696) | Won 2-1 | +181680 |
| 10modern | 149 | Yamaguchi, Satoshi 1114 (1606) | Lost 1-2 | -191661 |
| 11modern | 195 | Aihara, Shogaku (1646) | Lost 1-2 | -181643 |
| top | average opponent: 1645record: 5-4 | new rating: 1643 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1692 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 299 | Miyake, Daisuke1035 (1500) | Lost 1-2 | -221670 |
| 4standard | 624 | Kawai, Yoshihiro8128 (1488) | Won 2-0 | +151685 |
| 5standard | 470 | Umehara, Kei (1758) | Lost 0-2 | -171668 |
| 6standard | 484 | Kondo, Shogo (1508) | Lost 0-2 | -211647 |
| 7standard | 778 | Watanabe, Kyohei2393 (1501) | Lost 0-2 | -201627 |
| top | average opponent: 1551record: 1-4 | new rating: 1627 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1689 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 405 | Senba, Kotaro (1744) | Won 2-1 | +191708 |
| 4legacy | 279 | Nomura, Hidehiro (1697) | Won 2-0 | +181726 |
| 5legacy | 125 | Miyabe, Kouichi (1709) | Lost 0-2 | -181708 |
| 6legacy | 128 | Okuno, Ryota (1559) | Won 2-1 | +151723 |
| 7legacy | 179 | Tsuji, Naoto (1578) | Lost 1-2 | -201703 |
| 8legacy | 230 | Huang, Spencer (1504) | Lost 1-2 | -221681 |
| 9legacy | 302 | Kikuchi-Wellman, Zen (1714) | Won 2-0 | +191700 |
| 10legacy | 256 | Horita, Toshiki (1642) | Lost 0-2 | -191681 |
| 11legacy | 272 | Kudo, Koichi (1705) | Draw 1-1 | 01681 |
| 12legacy | 303 | Itou, Takahiro (1518) | Won 2-0 | +151696 |
| 13legacy | 235 | Kwan, Philip (1661) | Won 2-1 | +171713 |
| 14legacy | 170 | Seguchi, Shinichirou (1538) | Lost 0-2 | -211692 |
| 15legacy | 207 | Washimi, Kazuo (1665) | Draw 1-1 | 01692 |
| top | average opponent: 1633record: 6-5-2 | new rating: 1692 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1601 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 300 | Ikeyama, Kei (1584) | Lost 0-2 | -181583 |
| 3standard | 1242 | Morohashi, Ko (1502) | Won 2-0 | +171600 |
| 4standard | 728 | Hayashi, Yukari (1509) | Won 2-0 | +161616 |
| 5standard | 504 | Heatherington, Yuuta (1538) | Won 2-1 | +161632 |
| 6standard | 273 | Shimoyama, Youhei (1569) | Lost 0-2 | -191613 |
| 7standard | 676 | Sumihira, Toru (1508) | Won 2-1 | +161629 |
| 8standard | 448 | Oozeki, Baku (1541) | Won 2-1 | +171646 |
| 9standard | 157 | Watanabe, Tsubasa (1562) | Lost 1-2 | -201626 |
| 10standard | 433 | Matsuda, Kenji (1527) | Won 2-1 | +161642 |
| 11standard | 233 | Masuko, Daisuke (1539) | Lost 0-2 | -191623 |
| 12standard | 247 | Hirasaki, Shinkichi (1554) | Won 2-0 | +161639 |
| 13standard | 260 | Watanabe, Kyohei (1584) | Won 2-1 | +171656 |
| 14standard | 207 | Sawasato, Yuuki (1599) | Won 2-0 | +171673 |
| 15standard | 134 | Koike, Yuta (1572) | Won 2-1 | +161689 |
| top | average opponent: 1549record: 10-4 | new rating: 1689 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1653 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 329 | Hamaguchi, Katsuhiro (1549) | Won 2-0 | +161669 |
| 3sealed | 413 | Kurata, Yoshihiko (1576) | Lost 1-2 | -191650 |
| 4sealed | 356 | Fujiwara, Kazuma (1517) | Won 2-1 | +151665 |
| 5sealed | 216 | Ishizaki, Ryousuke (1535) | Lost 1-2 | -201645 |
| 6sealed | 696 | Kozawa, Kazuki (1514) | Won 2-1 | +151660 |
| 7sealed | 322 | Sekikawa, Daichi (1426) | Lost 1-2 | -221638 |
| 8sealed | 502 | Iwazaki, Yuuta (1569) | Lost 1-2 | -191619 |
| 9sealed | 647 | Yanaseko, Kentarou (1638) | Lost 1-2 | -181601 |
| top | average opponent: 1540record: 3-5 | new rating: 1601 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 418 | Okada, Takuya (1630) | Won 2-0 | +201588 |
| 3standard | 118 | Imai, Masakatsu (1546) | Won 2-0 | +171605 |
| 4standard | 173 | Itou, Satoru (1673) | Lost 1-2 | -171588 |
| 5standard | 330 | Matsunami, Shohei (1501) | Lost 0-2 | -201568 |
| 6standard | 422 | Matsuda, Issui (1605) | Won 2-1 | +191587 |
| 7standard | 517 | Miyake, Yoshio (1556) | Won 2-0 | +181605 |
| 8standard | 293 | Oshima, Shimpei (1529) | Won 2-1 | +161621 |
| 9standard | 161 | Murase, Takahiro (1498) | Won 2-0 | +161637 |
| 10standard | 139 | Kobayashi, Ukyo (1526) | Lost 0-2 | -201617 |
| 11standard | 145 | Ohnishi, Jyunpei (1677) | Won 2-1 | +191636 |
| 12standard | 91 | Hasegawa, Kazunari (1659) | Won 2-0 | +181654 |
| 13standard | 67 | Tanaka, Yuki7342 (1589) | Lost 1-2 | -191635 |
| 14standard | 94 | Tanaka, Yasuhiro (1631) | Won 2-0 | +181653 |
| 15standard | 76 | Sato, Rei (1893) | ID | 01653 |
| top | average opponent: 1608record: 9-4-1 | new rating: 1653 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 39 | Shiroza, Shinichiro (1568) | Won 2-0 | +191573 |
| 3legacy | 113 | Asai, Toshiharu (1475) | Lost 1-2 | -201553 |
| 4legacy | 301 | Ando, Koyo (1548) | Draw 1-1 | 01553 |
| 5legacy | 212 | Yoshizawa, Kaoru (1469) | Won 2-0 | +161569 |
| 6legacy | 137 | Akamatsu, Koushi (1533) | Won 2-1 | +181587 |
| 7legacy | 79 | Matsumura, Toshikazu (1563) | Lost 1-2 | -191568 |
| 8legacy | 146 | Saito, Hajime (1578) | Won 2-0 | +181586 |
| 9legacy | 93 | Yoshizawa, Kohei (1588) | Lost 1-2 | -181568 |
| top | average opponent: 1540record: 4-3-1 | new rating: 1568 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 746 | Sakuma, Toshimitsu (1673) | Won 2-1 | +211505 |
| 2sealed | 809 | Fukushi, Kyouhei (1573) | Won 2-0 | +201525 |
| 3sealed | 695 | Gotou, Hiroaki (1649) | Lost 0-2 | -161509 |
| 4sealed | 849 | Cho, Kou (1804) | Won 2-1 | +231532 |
| 5sealed | 705 | Obata, Ken (1538) | Won 2-0 | +181550 |
| 6sealed | 636 | Kimura, Shoji (1563) | Won 2-1 | +181568 |
| 7sealed | 664 | Ooneda, Yoshihiro (1545) | Won 2-0 | +181586 |
| 8sealed | 636 | Nakashima, Hajime (1818) | Lost 0-2 | -141572 |
| 9sealed | 659 | Igarashi, Hisashi (1585) | Lost 0-2 | -181554 |
| top | average opponent: 1639record: 6-3 | new rating: 1554 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 664 | Ushijima, Syun (1500) | Won 2-1 | +181518 |
| 2sealed | 692 | Kuraoka, Satoshi (1535) | Lost 0-2 | -181500 |
| 3sealed | 750 | Kurusu, Kazuki (1595) | Lost 0-2 | -161484 |
| top | average opponent: 1543record: 1-2 | new rating: 1484 | ||