Maruno, Takaaki
Current rating: 1683
Record: 60-50-2
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1604 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 656 | Hoshi, Masaru (1500) | Won 2-0 | +161620 |
| 2sealed | 80 | Tokuma, Hikaru (1567) | Won 2-0 | +171637 |
| 3sealed | 97 | Kawano, Naoto (1514) | Won 2-1 | +151652 |
| 4sealed | 49 | Uechi, Shintaro (1623) | Won 2-1 | +181670 |
| 5sealed | 68 | Endo, Ryota (1843) | Lost 0-2 | -151655 |
| 6sealed | 258 | Henmi, Naoki (1538) | Won 2-1 | +161671 |
| 7sealed | 79 | Nakashima, Atsushi (1580) | Won 2-1 | +161687 |
| 8sealed | 56 | Takeda, Hiroki (1740) | Lost 1-2 | -171670 |
| 9sealed | 110 | Maruyama, Nobuhiro (1541) | Won 2-0 | +161686 |
| 10draft | 672 | Hirase, Gun (1619) | Lost 0-2 | -191667 |
| 11draft | 734 | Takeuchi, Shuuji (1558) | Won 2-0 | +161683 |
| 12draft | 574 | Kanno, Atsushi (1694) | Won 2-1 | +181701 |
| 13draft | 614 | Takahashi, Eiji (1643) | Lost 0-2 | -191682 |
| 14draft | 723 | Satou, Fumihiko (1677) | Lost 1-2 | -181664 |
| 15draft | 685 | Hiromasa, Ryuusuke (1755) | Won 2-0 | +191683 |
| top | average opponent: 1626record: 10-5 | new rating: 1683 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 21 | Tsuchiya, Yoshihiro (1307) | Lost 0-2 | -221483 |
| 2sealed | 566 | Morimoto, Kazunari (1480) | Won 2-0 | +181501 |
| 3sealed | 932 | Yamagata, Yutaro (1588) | Won 2-0 | +201521 |
| 4sealed | 671 | Kato, Masaaki (1522) | Won 2-0 | +181539 |
| 5sealed | 320 | Tanaka, Shinichi (1820) | Won 2-1 | +231562 |
| 6sealed | 273 | Falcao, Filipe (1593) | Won 2-1 | +181580 |
| 7sealed | 91 | Wang, Chengji (1770) | Lost 0-2 | -141566 |
| 8sealed | 300 | Sato, Tatsuo (1530) | Lost 1-2 | -191547 |
| 9sealed | 455 | Adachi, Yoshizumi (1436) | Won 2-0 | +161563 |
| 10draft | 317 | Hagiwara, Noriyuki (1786) | Lost 0-2 | -141549 |
| 11draft | 274 | Takino, Atsushi (1510) | Won 2-1 | +171566 |
| 12draft | 146 | Suzuki, Fumito (1566) | Lost 0-2 | -181548 |
| 13draft | 326 | Tomita, Kei (1564) | Won 2-1 | +191567 |
| 14draft | 65 | Sato, Naoki (1574) | Won 2-1 | +181585 |
| 15draft | 184 | Ogi, Hiroshi (1629) | Won 2-0 | +191604 |
| top | average opponent: 1578record: 10-5 | new rating: 1604 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 413 | Kimura, Tetsuya (1468) | Won 2-0 | +171539 |
| 2modern | 165 | Yamasaki, Taro (1532) | Won 2-0 | +181557 |
| 3modern | 75 | Chan, Andy (1672) | Lost 0-2 | -161541 |
| 4modern | 609 | Maseguchi, Masashi (1416) | Lost 1-2 | -201521 |
| 5modern | 746 | Minobe, Yoshihiro (1497) | Lost 1-2 | -181503 |
| 6modern | 912 | Omichi, Rena (1487) | Won 2-0 | +171520 |
| 7modern | 703 | Ma, Geoff (1651) | Lost 0-2 | -151505 |
| top | average opponent: 1532record: 3-4 | new rating: 1505 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 677 | Sasagawa, Hitoshi (1473) | Won 2-1 | +171559 |
| 2standard | 44 | Maseguchi, Masashi (1381) | Lost 1-2 | -221537 |
| 3standard | 803 | Ueno, Noriyasu (1501) | Won 2-0 | +181555 |
| 4standard | 646 | Nishino, Ryo (1512) | Won 2-1 | +171572 |
| 5standard | 466 | Cloyd, Jeremy (1712) | Lost 0-2 | -151557 |
| 6standard | 720 | Yamamoto, Ryousuke (1496) | Lost 1-2 | -201537 |
| 7standard | 680 | Nagaoka, Takayuki (1699) | Lost 1-2 | -151522 |
| top | average opponent: 1539record: 3-4 | new rating: 1522 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 148 | Tanimura, Taiju (1536) | Won 2-1 | +181576 |
| 4legacy | 1 | Yokoya, Hajime (1807) | Lost 0-2 | -141562 |
| 5legacy | 245 | Lizaso Legarda, Hasier (1536) | Won 2-0 | +181580 |
| 6legacy | 264 | Toriuchi, Daizo (1596) | Won 2-0 | +181598 |
| 7legacy | 51 | Yamazaki, Takashi (1569) | Lost 1-2 | -191579 |
| 8legacy | 258 | Hung, Juo Wen (1570) | Lost 0-2 | -181561 |
| 9legacy | 469 | Kamimura, Yohei (1490) | Lost 1-2 | -191542 |
| top | average opponent: 1586record: 3-4 | new rating: 1542 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 1 | Kitamura, Kouki (1500) | Won 2-0 | +171563 |
| 2standard | 277 | Suzuki, Kohei (1519) | Lost 1-2 | -191544 |
| 3standard | 890 | Mochizuki, Yasuhiro (1498) | Lost 1-2 | -191525 |
| 4standard | 1260 | Ichikawa, Hiroshi (1347) | Won 2-1 | +151540 |
| 5standard | 880 | Furukawa, Takuto (1489) | Won 2-0 | +171557 |
| 6standard | 532 | Isoda, Syouichi (1501) | Lost 1-2 | -191538 |
| 7standard | 904 | Kanda, Aoi (1560) | Won 2-0 | +181556 |
| 8standard | 866 | Nakamura, Takehiro (1573) | Won 2-0 | +191575 |
| 9standard | 602 | Kuramachi, Ryo (1539) | Won 2-1 | +171592 |
| 10standard | 405 | Utsunomiya, Takumi (1594) | Lost 1-2 | -181574 |
| 11standard | 374 | Isurugi, Hideyuki (1629) | Lost 0-2 | -171557 |
| 12standard | 389 | Yamamoto, Shouhei (1723) | Lost 1-2 | -151542 |
| 13standard | 354 | Koretomo, Yuji (1423) | Won 2-0 | +161558 |
| 14standard | 299 | Kudou, Kouji (1521) | Won 2-0 | +171575 |
| 15standard | 272 | Kobayashi, Kazuto (1641) | Lost 0-2 | -171558 |
| top | average opponent: 1537record: 8-7 | new rating: 1558 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Kobayashi, Akio (1540) | Won 2-0 | +181560 |
| 2sealed | 150 | Date, Hiroshi (1661) | Lost 0-2 | -161544 |
| 3sealed | 913 | Watanabe, Tsubasa (1513) | Draw 1-1 | 01544 |
| 4sealed | 836 | Arai, Makoto (1530) | Won 2-1 | +171561 |
| 5sealed | 563 | Iriki, Ryou (1573) | Lost 0-2 | -171544 |
| 6sealed | 792 | Saegusa, Nobuyuki (1635) | Won 2-1 | +191563 |
| 7sealed | 554 | Ng, Meng Cheong (1581) | Lost 0-2 | -171546 |
| top | average opponent: 1576record: 3-3-1 | new rating: 1546 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 459 | Hamamoto, Yohei (1479) | Won 2-1 | +181537 |
| 2standard | 44 | Inuzuka, Satoshi (1689) | Won 2-0 | +201557 |
| 3standard | 344 | Bingye, Ai (1521) | Won 2-0 | +181575 |
| 4standard | 269 | Suzuike, Fumiyasu (1791) | Lost 1-2 | -141561 |
| 5standard | 368 | Kitakaze, Asuka (1500) | Won 2-0 | +161577 |
| 6standard | 245 | Kitaoka, Takaaki (1537) | Lost 1-2 | -181559 |
| 7standard | 246 | Sakimura, Akihiko (1746) | Lost 0-2 | -151544 |
| 8standard | 503 | Takakura, Eigo (1485) | Lost 0-2 | -191525 |
| 9standard | 469 | Takahashi, Tetsuhiro (1489) | Won 2-0 | +171542 |
| top | average opponent: 1582record: 5-4 | new rating: 1542 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 934 | Ookami, Satoshi (1500) | Won 2-1 | +181542 |
| 2sealed | 1030 | Ookura, Haruka (1482) | Won 2-1 | +171559 |
| 3sealed | 872 | Fujitani, Masahiro (1464) | Lost 1-2 | -201539 |
| 4sealed | 962 | Habata, Issei (1558) | Won 2-1 | +181557 |
| 5sealed | 970 | Irie, Shun (1480) | Lost 0-2 | -191538 |
| 6sealed | 992 | Tsuruoka, Hiroaki (1517) | Lost 0-2 | -191519 |
| top | average opponent: 1500record: 3-3 | new rating: 1519 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 783 | Tomomizu, Takuya (1413) | Won 2-1 | +171499 |
| 2sealed | 756 | Ohtake, Nobuyuki (1518) | Won 2-0 | +181517 |
| 3sealed | 813 | Kawano, Tatsurou (1412) | Lost 0-2 | -201497 |
| 4sealed | 809 | Nagao, Kengo (1686) | Won 2-1 | +221519 |
| 5sealed | 688 | Kawano, Hiroki (1514) | Won 2-1 | +181537 |
| 6sealed | 639 | Sugitani, Kyousuke (1588) | Won 2-0 | +191556 |
| 7sealed | 619 | Nakashima, Hajime (1804) | Lost 1-2 | -141542 |
| 8sealed | 680 | Matsushita, Ryuuki (1543) | Lost 1-2 | -181524 |
| top | average opponent: 1560record: 5-3 | new rating: 1524 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 935 | Utugi, Furato (1500) | Won 2-0 | +181518 |
| 2modern | 833 | Iwayama, Masatomo (1522) | Draw 1-1 | 01518 |
| 3modern | 923 | Ito, Toshihiro (1512) | Lost 0-2 | -181500 |
| 4modern | 1049 | Ogata, Nobuhiko (1510) | Lost 0-2 | -181482 |
| top | average opponent: 1511record: 1-2-1 | new rating: 1482 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 688 | Matsuyama, Hikaru (1479) | Won 2-0 | +171519 |
| 2standard | 527 | Amano, Seiichi (1499) | Won 2-1 | +181537 |
| 3standard | 646 | Matsuzaki, Eiji (1482) | Lost 1-2 | -191518 |
| 4standard | 661 | Obitsu, Youtarou (1500) | Won 2-1 | +181536 |
| 5standard | 590 | Cho, Kou (1612) | Lost 1-2 | -171519 |
| 6standard | 633 | Kaneko, Shinsaku (1458) | Lost 1-2 | -191500 |
| top | average opponent: 1505record: 3-3 | new rating: 1500 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 168 | Fujita, Tomohiro (1500) | Lost 0-2 | -181482 |
| 2modern | 534 | Mori, Junpei (1613) | Won 2-0 | +201502 |
| 3modern | 347 | Yuki, Naruse (1485) | Won 2-1 | +181520 |
| 4modern | 229 | Kawamura, Naoki (1522) | Won 2-1 | +181538 |
| 5modern | 231 | Hokumura, Tatsuro (1531) | Lost 1-2 | -181520 |
| 6modern | 310 | Moriyasu, Takaaki (1513) | Lost 0-2 | -181502 |
| top | average opponent: 1527record: 3-3 | new rating: 1502 | ||