Murahata, Hiroyuki
Current rating: 1469
Record: 19-21-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 131 | Yagi, Hitoshi (1639) | Won 2-0 | +201522 |
| 2pioneer | 73 | Ishibashi, Akihito (1479) | Lost 0-2 | -181504 |
| 3pioneer | 451 | Bai, Yuhan (1467) | Lost 1-2 | -191485 |
| 4pioneer | 626 | Tago, Daisuke (1589) | Lost 1-2 | -161469 |
| top | average opponent: 1544record: 1-3 | new rating: 1469 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 731 | Fukuda, Ayako (1500) | Won 2-1 | +181514 |
| 2modern | 228 | Aoyama, Mizuki (1579) | Lost 1-2 | -171497 |
| 3modern | 620 | Torii, Motonori (1599) | Won 2-0 | +201517 |
| 4modern | 397 | Zudin, Rodion (1501) | Lost 1-2 | -191498 |
| 5modern | 802 | Fujihira, Kohei (1702) | Draw 1-1 | +41502 |
| 6modern | 728 | Lee, Soojong (1497) | Won 2-0 | +181520 |
| 7modern | 539 | Ito, Tatsuya (1513) | Lost 0-2 | -181502 |
| top | average opponent: 1556record: 3-3-1 | new rating: 1502 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 717 | Suzuki, Yousuke (1500) | Won 2-1 | +171538 |
| 2standard | 332 | Muramatsu, Kunihiro (1425) | Lost 0-2 | -201518 |
| 3standard | 931 | Takafuji, Masato (1575) | Lost 1-2 | -171501 |
| 4standard | 826 | Iwatou, Kodai (1411) | Won 2-0 | +171518 |
| 5standard | 892 | Shiraishi, Shinji (1300) | Lost 1-2 | -221496 |
| top | average opponent: 1442record: 2-3 | new rating: 1496 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 142 | Yasu, Ryotaro (1660) | Lost 0-2 | -161517 |
| 2sealed | 681 | Sasaki, Kazuo (1568) | Won 2-0 | +191536 |
| 3sealed | 988 | Yamazaki, Motohiro (1669) | Lost 1-2 | -151521 |
| 4sealed | 824 | Narumi, Masaru (1397) | Won 2-0 | +151536 |
| 5sealed | 736 | Masuda, Tomohito (1518) | Won 2-0 | +181554 |
| 6sealed | 627 | Sasaki, Shou (1612) | Lost 0-2 | -171537 |
| 7sealed | 545 | Guo, Cheng (1617) | Lost 0-2 | -161521 |
| top | average opponent: 1577record: 3-4 | new rating: 1521 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 484 | Takeda, Shota (1259) | Lost 0-2 | -231502 |
| 2sealed | 831 | Uno, Yuki (1521) | Lost 1-2 | -181484 |
| 3sealed | 1005 | Sasaki, Ken (1488) | Lost 0-2 | -181466 |
| 4sealed | 1116 | Yoshida, Satoru (1369) | Won 2-0 | +171483 |
| 5sealed | 1047 | Morokuma, Daisuke (1452) | Won 2-0 | +171500 |
| 6sealed | 912 | Tabata, Yuusuke (1426) | Won 2-1 | +171517 |
| 7sealed | 806 | Kim, Ho-Yeon (1483) | Won 2-1 | +171534 |
| 8sealed | 660 | Arai, Yuusuke3019 (1510) | Won 2-0 | +181552 |
| 9sealed | 424 | Shimizu, Masatoshi (1520) | Lost 0-2 | -191533 |
| top | average opponent: 1447record: 5-4 | new rating: 1533 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 714 | Kamata, Toshihiko (1530) | Won 2-0 | +191519 |
| 2standard | 185 | Kitajima, Ryoko (1521) | Won 2-1 | +181537 |
| 3standard | 140 | Nagahashi, Sadaaki (1692) | Lost 1-2 | -161521 |
| 4standard | 838 | Yu, Chenghsien (1355) | Won 2-1 | +151536 |
| 5standard | 273 | Garano, Bryan (1545) | Lost 1-2 | -171519 |
| 6standard | 544 | Mochiki, Kazuto (1727) | Lost 1-2 | -151504 |
| 7standard | 1039 | Kusakari, Rei (1484) | Won 2-1 | +181522 |
| 8standard | 833 | Ishikawa, Tomohiko (1513) | Won 2-0 | +181540 |
| 9standard | 428 | Takeda, Hiroki (1699) | Lost 0-2 | -151525 |
| top | average opponent: 1563record: 5-4 | new rating: 1525 | ||