Maruya, Takashi
Current rating: 1611
Record: 48-41-1 (GP) / 3-5 (professional)
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1655 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 272 | Hasegawa, Kazuhiko3707 (1533) | Lost 1-2 | -201635 |
| 3sealed | 920 | Endo, Akiteru (1567) | Won 2-1 | +161651 |
| 4sealed | 355 | Hiyama, Syunsuke (1698) | Lost 1-2 | -171634 |
| 5sealed | 607 | Sakurai, Wataru (1488) | Won 2-0 | +161650 |
| 6sealed | 395 | Koizumi, Yuma (1651) | Lost 0-2 | -181632 |
| 7sealed | 611 | Komizo, Isao (1459) | Lost 0-2 | -211611 |
| top | average opponent: 1566record: 2-4 | new rating: 1611 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1656 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 190 | Abe, Tooru (1441) | Won 2-1 | +141670 |
| 3modern | 508 | Hoshina, Kohei (1429) | Won 2-0 | +141684 |
| 4modern | 260 | Kashiwase, Kazuya (1612) | Won 2-1 | +161700 |
| 5modern | 23 | Shimizu, Yuji (1533) | Lost 0-2 | -211679 |
| 6modern | 165 | Planter Fernandez, Carlos (1668) | Lost 0-2 | -181661 |
| 7modern | 347 | Ideguchi, Yasuhiro (1373) | Won 2-0 | +131674 |
| 8modern | 201 | Ohba, Hiroshi (1608) | Lost 1-2 | -191655 |
| top | average opponent: 1523record: 4-3 | new rating: 1655 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 484 | Murakami, Kazuya3837 (1760) | Lost 0-2 | -151588 |
| 3standard | 844 | Nishimura, Takashi (1485) | Won 2-1 | +161604 |
| 4standard | 385 | Motomura, Naoki (1551) | Won 2-0 | +171621 |
| 5standard | 275 | Okuda, Masateru (1548) | Won 2-0 | +171638 |
| 6standard | 227 | Nakamura, Kouki 3727 (1542) | Won 2-0 | +161654 |
| 7standard | 63 | Nakashima, Atsushi (1968) | Lost 1-2 | -121642 |
| 8standard | 257 | Sano, Kimiaki (1638) | Won 2-0 | +181660 |
| 9standard | 83 | Yamagishi, Jun (1577) | Won 2-1 | +161676 |
| 10standard | 128 | Ishikawa, Takuma 0419 (1652) | Won 2-0 | +181694 |
| 11standard | 62 | Naganawa, Satoshi (1572) | Lost 1-2 | -201674 |
| 12standard | 106 | Kidera, Seita (1769) | Won 2-1 | +191693 |
| 13standard | 39 | Wa, Ho (1623) | Lost 0-2 | -191674 |
| 14standard | 107 | Namikawa, Katsuya (1664) | Lost 1-2 | -181656 |
| top | average opponent: 1642record: 8-5 | new rating: 1656 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1636 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 238 | Tsuchiya, Ryuichi (1591) | Lost 0-2 | -181618 |
| 3standard | 775 | Horikawa, Takahiro (1495) | Lost 1-2 | -211597 |
| 4standard | 860 | Kitagawa, Tomohiro (1314) | Won 2-0 | +131610 |
| 5standard | 777 | Kawaguchi, Muneyoshi (1346) | Won 2-1 | +141624 |
| 6standard | 574 | Matsushima, Toshikazu (1500) | Lost 0-2 | -211603 |
| top | average opponent: 1449record: 2-3 | new rating: 1603 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1680 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 94 | Miyawaki, Yusuke (1613) | Draw 1-1 | -11679 |
| 3sealed | 537 | Watanabe, Yuta9087 (1505) | Lost 1-2 | -211658 |
| 4sealed | 811 | Masuyama, Takahiro (1470) | Lost 0-2 | -221636 |
| top | average opponent: 1529record: 0-2-1 | new rating: 1636 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 510 | Shimizu, Yuji (1535) | Lost 0-2 | -181545 |
| 3modern | 1149 | Kaminaga, Tatsuru (1497) | Won 2-0 | +171562 |
| 4modern | 412 | Sawatari, Kai (1533) | Won 2-0 | +181580 |
| 5modern | 620 | Aridome, Tomohiro (1983) | Won 2-1 | +241604 |
| 6modern | 309 | Tanaka, Yu 2860 (1551) | Won 2-0 | +181622 |
| 7modern | 180 | Chu, Alfred (1589) | Won 2-1 | +171639 |
| 8modern | 45 | Saeki, Tadatoshi (1680) | Won 2-0 | +191658 |
| 9modern | 28 | Tashiro, Kouichi (1739) | Won 2-0 | +191677 |
| 10modern | 38 | Higono, Naoki (1755) | Won 2-1 | +201697 |
| 11modern | 20 | Yoshida, Shotaro (1575) | Lost 1-2 | -211676 |
| 12modern | 32 | Ohashi, Gaku (1653) | Won 2-0 | +181694 |
| 13modern | 29 | Wu, Kon Fai (1916) | Won 2-0 | +221716 |
| 14modern | 8 | Matsui, Hisataka (1850) | Lost 0-2 | -161700 |
| 15modern | 36 | Tamura, Kei (1581) | Lost 0-2 | -201680 |
| top | average opponent: 1674record: 10-4 | new rating: 1680 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1604 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 220 | Yamazaki, Takashi (1635) | Won 2-0 | +191623 |
| 3standard | 587 | Kuo, Tzu-Ching (1855) | Lost 1-2 | -141609 |
| 4standard | 509 | Tanabe, Tetsuya (1557) | Lost 1-2 | -191590 |
| 5standard | 717 | Sato, Masakazu (1501) | Lost 1-2 | -201570 |
| 6standard | 1039 | Mizuno, Shiori (1365) | Won 2-0 | +151585 |
| 7standard | 694 | Tanimoto, Yusaku (1715) | Lost 1-2 | -161569 |
| 8standard | 891 | Suzuki, Ryuuichi (1316) | Won 2-0 | +141583 |
| 9standard | 726 | Arahori, Kazuaki (1522) | Lost 0-2 | -201563 |
| top | average opponent: 1558record: 3-5 | new rating: 1563 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1635 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 216 | Higashi, Yuusuke (1488) | Won 2-0 | +151650 |
| 3legacy | 169 | Matsuda, Kenji (1497) | Lost 0-2 | -211629 |
| 4legacy | 551 | Hodumi, Baku (1508) | Lost 0-2 | -201609 |
| 5legacy | 603 | Ogawa, Takumi (1432) | Lost 1-2 | -211588 |
| 6legacy | 983 | Shin, Jong-Ho (1583) | Won 2-1 | +181606 |
| 7legacy | 761 | Sasaki, Takashi (1565) | Won 2-0 | +171623 |
| 8legacy | 540 | Sasabe, Yusuke (1566) | Lost 1-2 | -191604 |
| top | average opponent: 1520record: 3-4 | new rating: 1604 | ||
| Pro Tour Kaladesh (KLD standard) | starting rating: 1636 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 192 | Ishida, Ryuichiro (1431) | Lost 0-2 | -221614 |
| 2draft | 183 | Suzuki, Kazushige (1951) | Lost 1-2 | -121602 |
| 3draft | 15 | Karsten, Frank (2003) | Lost 0-2 | -111591 |
| 4standard | 213 | Sajgalik, Eduardo (2065) | Won 2-0 | +261617 |
| 5standard | 202 | Suzuki, Kazushige (1922) | Lost 0-2 | -121605 |
| 6standard | 198 | Merriam, Ross (1912) | Won 2-0 | +231628 |
| 7standard | 189 | Bianchi, Alex (1799) | Won 2-1 | +211649 |
| 8standard | 119 | Cohen, Justin (1852) | Lost 0-2 | -141635 |
| top | average opponent: 1867record: 3-5 | new rating: 1635 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 320 | Usui, Haruki (1809) | Lost 0-2 | -111415 |
| 4standard | 827 | Tominaga, Yuya (1631) | Won 2-0 | +221437 |
| 5standard | 419 | Jackel, Stephen (1553) | Won 2-1 | +201457 |
| 6standard | 340 | Kanaya, Hirosi (1554) | Won 2-0 | +201477 |
| 7standard | 248 | Omori, Ken'ichirou (1880) | Won 2-0 | +251502 |
| 8standard | 63 | Ito, Hajime (1597) | Won 2-0 | +191521 |
| 9standard | 19 | Kojima, Tatuya (1675) | Lost 1-2 | -151506 |
| 10standard | 171 | Yamaguchi, Satoshi (2023) | Won 2-0 | +271533 |
| 11standard | 87 | Yokoya, Hajime (1745) | Won 2-1 | +221555 |
| 12standard | 36 | Omori, Wataru (1587) | Won 2-0 | +181573 |
| 13standard | 11 | Aridome, Tomohiro (1905) | Won 2-1 | +241597 |
| 14standard | 12 | Kong, Chong Teng (1677) | Won 2-0 | +201617 |
| 15standard | 9 | Okai, Toshiki (1704) | Won 2-1 | +191636 |
| top | average opponent: 1719record: 11-2 | new rating: 1636 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 284 | Kozuka, Kouji (1352) | Won 2-0 | +151499 |
| 2sealed | 437 | Kiyohara, Daichi (1545) | Lost 1-2 | -171482 |
| 3sealed | 879 | Fusegi, Takanori (1431) | Lost 0-2 | -191463 |
| 4sealed | 930 | Fukunaga, Nao (1428) | Lost 1-2 | -181445 |
| 5sealed | 1040 | Sugita, Kazuki (1429) | Lost 1-2 | -191426 |
| top | average opponent: 1437record: 1-4 | new rating: 1426 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 730 | Iwami, Masaki (1490) | Lost 0-2 | -181482 |
| 2standard | 688 | Kannari, Kyohei (1482) | Lost 1-2 | -181464 |
| 3standard | 1195 | Nakamura, Yuu (1464) | Lost 1-2 | -181446 |
| 4standard | 1186 | Wakai, Atushi (1444) | Won 2-1 | +181464 |
| 5standard | 995 | Takahashi, Shin (1463) | Won 2-0 | +181482 |
| 6standard | 852 | Fukuda, Yoshifumi (1501) | Won 2-1 | +181500 |
| 7standard | 717 | Takahashi, Eiji (1456) | Won 2-0 | +171517 |
| 8standard | 539 | Yamashita, Keijiro (1517) | Lost 0-2 | -181499 |
| 9standard | 437 | Oikawa, Ryusuke (1633) | Lost 1-2 | -151484 |
| top | average opponent: 1494record: 4-5 | new rating: 1484 | ||