Hirosawa, Yuuichirou
Current rating: 1465
Record: 40-43-2
Grand Prix Yokohama 2010Grand Prix Yokohama 2013Grand Prix Shizuoka 2013Grand Prix Nagoya 2014Grand Prix Kobe 2014Grand Prix Shizuoka 2015Grand Prix Nagoya 2016Grand Prix Tokyo 2016Grand Prix Chiba 2016Grand Prix Shizuoka 2017Grand Prix Kobe 2017Grand Prix Chiba 2018Grand Prix Shizuoka 2018 (legacy)Grand Prix Yokohama 2019
| Grand Prix Yokohama 2019 (modern) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 93 | Takada, Narumasa (1530) | Won 2-0 | +191512 |
| 2modern | 275 | Chen, Xinrong (1699) | Lost 0-2 | -151497 |
| 3modern | 677 | Umetani, Hideo (1690) | Lost 0-2 | -141483 |
| 4modern | 809 | Azuma, Kentaro (1479) | Lost 0-2 | -181465 |
| top | average opponent: 1599record: 1-3 | new rating: 1465 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 208 | Yamada, Yasushi (1605) | Lost 1-2 | -171525 |
| 2legacy | 422 | Hiyama, Kenji (1508) | Lost 0-2 | -181507 |
| 3legacy | 607 | Oikawa, Hakudou (1737) | Lost 0-2 | -141493 |
| top | average opponent: 1617record: 0-3 | new rating: 1493 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 791 | Kambe, Kouichi (1521) | Lost 1-2 | -191547 |
| 2sealed | 632 | Hirai, Kazuki (1467) | Won 2-0 | +171564 |
| 3sealed | 624 | Kaneko, Yoshiyuki (1527) | Won 2-1 | +171581 |
| 4sealed | 455 | Chiba, Tatsuya (1371) | Lost 0-2 | -221559 |
| 5sealed | 819 | Itou, Takanori (1608) | Lost 0-2 | -171542 |
| top | average opponent: 1499record: 2-3 | new rating: 1542 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 563 | Kahata, Issei (1431) | Won 2-1 | +161536 |
| 3modern | 563 | Mori, Arashi (1408) | Won 2-0 | +161552 |
| 4modern | 134 | Kihira, Tomoya (1518) | Won 2-0 | +171569 |
| 5modern | 41 | Sakamoto, Sakito (1851) | Lost 1-2 | -131556 |
| 6modern | 306 | Tasugi, Keigo (1450) | Won 2-1 | +161572 |
| 7modern | 74 | Takahashi, Kazuhiro (1590) | Won 2-1 | +191591 |
| 8modern | 84 | Terada, Shuuhei (1695) | Lost 1-2 | -161575 |
| 9modern | 176 | Hirasawa, Daisuke (1658) | Won 2-1 | +191594 |
| 10modern | 83 | Yao, Shunsuke (1696) | Lost 0-2 | -161578 |
| 11modern | 205 | Nozaki, Issei (1616) | Won 2-1 | +191597 |
| 12modern | 80 | Matsuyama, Tsubasa (1596) | Lost 1-2 | -181579 |
| 13modern | 179 | Tang, Xavier (1620) | Won 2-0 | +181597 |
| 14modern | 129 | Kita, Takuya (1607) | Lost 1-2 | -171580 |
| 15modern | 167 | Ebitani, Keisuke (1839) | Lost 1-2 | -141566 |
| top | average opponent: 1613record: 8-6 | new rating: 1566 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1602 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 507 | Mochizuki, Katsuhiko (1286) | Lost 0-2 | -241578 |
| 2standard | 687 | Dan, Gyoutou (1505) | Lost 1-2 | -191559 |
| 3standard | 1253 | Umehara, Masashi (1508) | Lost 0-2 | -191540 |
| 4standard | 1271 | Araki, Mio (1417) | Lost 0-2 | -201520 |
| top | average opponent: 1429record: 0-4 | new rating: 1520 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 471 | Iwafuji, Kenichiro (1500) | Won 2-0 | +181504 |
| 2legacy | 264 | Kawatsu, Shunsuke (1464) | Won 2-1 | +181522 |
| 3legacy | 140 | Sato, Yusei (1623) | Won 2-0 | +191541 |
| 4legacy | 136 | Hashimoto, Yuu (1818) | Won 2-1 | +231564 |
| 5legacy | 65 | Yamanaka, Kousuke (1556) | Won 2-1 | +181582 |
| 6legacy | 48 | Hamachiyo, Takahiro (1550) | Won 2-0 | +181600 |
| 7legacy | 8 | Miyazono, Takeshi (1855) | Lost 0-2 | -141586 |
| 8legacy | 80 | Yoshimoto, Masanobu (1659) | Won 2-1 | +191605 |
| 9legacy | 59 | Iwasaki, Shun (1584) | Lost 1-2 | -181587 |
| 10legacy | 149 | Mori, Yuki (1569) | Lost 1-2 | -181569 |
| 11legacy | 219 | Yasooka, Shota (2164) | Lost 0-2 | -91560 |
| 12legacy | 199 | Izumi, Masaru (1609) | Lost 1-2 | -171543 |
| 13legacy | 275 | Yokumichi, Jun (1516) | Won 2-1 | +181561 |
| 14legacy | 213 | Akaiwa, Taku (1584) | Won 2-0 | +181579 |
| 15legacy | 149 | Aizawa, Keiji (1836) | Won 2-0 | +231602 |
| top | average opponent: 1659record: 10-5 | new rating: 1602 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 1001 | Itokazu, Kenta (1462) | Draw 1-1 | -11502 |
| 2standard | 787 | Toshikawa, Kento (1486) | Lost 1-2 | -181484 |
| 3standard | 1400 | Kimura, Minori (1461) | Won 2-0 | +171501 |
| 4standard | 1061 | Irizuki, Syouta (1499) | Won 2-1 | +181519 |
| 5standard | 728 | Asai, Ikuya (1688) | Lost 1-2 | -151504 |
| 6standard | 985 | KobayashiFujisawa, Hiroaki (1484) | Lost 1-2 | -181486 |
| top | average opponent: 1513record: 2-3-1 | new rating: 1486 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 223 | Ohtsu, Minami (1384) | Lost 0-2 | -201503 |
| top | record: 0-1 | new rating: 1503 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 960 | Sekine, Kiyotaka (1310) | Won 2-0 | +141545 |
| 2sealed | 668 | Hokumura, Tatsuro (1421) | Lost 1-2 | -201525 |
| 3sealed | 878 | Kodama, Yuu (1474) | Won 2-0 | +171542 |
| 4sealed | 896 | Mori, Hiroyuki (1516) | Won 2-0 | +181560 |
| 5sealed | 805 | Fukushi, Kyouhei (1588) | Lost 0-2 | -181542 |
| 6sealed | 807 | Takao, Syunya (1491) | Lost 1-2 | -191523 |
| top | average opponent: 1467record: 3-3 | new rating: 1523 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 258 | Nakai, Tomoki (1403) | Won 2-0 | +151589 |
| 2modern | 80 | Satou, Ryota (1583) | Lost 0-2 | -181571 |
| 3modern | 349 | Nakamura, Yuya9938 (1499) | Lost 0-2 | -191552 |
| 4modern | 498 | Yoshihara, Shinji (1431) | Lost 0-2 | -211531 |
| top | average opponent: 1479record: 1-3 | new rating: 1531 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 642 | Nishimura, Tatsuya (1557) | Lost 0-2 | -191574 |
| top | record: 0-1 | new rating: 1574 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 127 | Endo, Ken (1427) | Draw 1-1 | -31600 |
| 2standard | 223 | Yo, Keiichi (1500) | Won 2-0 | +161616 |
| 3standard | 197 | Tanaka, Sou (1517) | Lost 1-2 | -201596 |
| 4standard | 281 | Mochizuki, Tomohiro (1500) | Won 2-0 | +171613 |
| 5standard | 194 | Kumon, Takahiro (1517) | Lost 0-2 | -201593 |
| top | average opponent: 1492record: 2-2-1 | new rating: 1593 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 704 | Sakuma, Daiki (1500) | Won 2-1 | +191499 |
| 2sealed | 816 | Yamaguchi, Takumi (1576) | Won 2-0 | +191518 |
| 3sealed | 733 | Toneri, Tatsuki (1535) | Won 2-1 | +191537 |
| 4sealed | 760 | Suzuki, Akiyoshi (1571) | Lost 0-2 | -181519 |
| 5sealed | 780 | Kobayashi, Satoshi (1553) | Won 2-1 | +191538 |
| 6sealed | 702 | Ookawa, Yuusuke (1564) | Won 2-1 | +181556 |
| 7sealed | 695 | Wada, Hiroya (1610) | Lost 0-2 | -171539 |
| 8sealed | 900 | Tsai, Chih-Chun (1685) | Won 2-1 | +211560 |
| 9sealed | 918 | Suzuki, Nobuyoshi (1782) | Won 2-1 | +221582 |
| 10sealed | 71 | Kakizaki, Ryuuki (1590) | Won 2-0 | +181600 |
| 11sealed | 79 | Masaki, Yuuki (1610) | Won 2-1 | +181618 |
| 12draft | 16 | Nakahara, Shuichi (1633) | Won 2-0 | +191637 |
| 13draft | 40 | Nakashima, Hajime (1759) | Lost 1-2 | -161621 |
| 14draft | 77 | Yamamoto, Kouhei (1640) | Lost 0-2 | -181603 |
| top | average opponent: 1615record: 10-4 | new rating: 1603 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 108 | Yamazaki, Kotaro (1500) | Lost 0-2 | -181482 |
| 2extended | 461 | chomi, leandro c (1484) | Won 2-1 | +181500 |
| 3extended | 362 | Saito, Atsushi (1414) | Lost 0-2 | -201480 |
| top | average opponent: 1466record: 1-2 | new rating: 1480 | ||