Hasegawa, Shouichi
Current rating: 1699
Record: 58-49-2
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 56 | Shimizu, Takuma (1449) | Won 2-0 | +161577 |
| 2pioneer | 15 | Kamo, Riki (1856) | Won 2-0 | +231600 |
| 3pioneer | 10 | Morishita, Yukitaka (1544) | Won 2-1 | +171617 |
| 4pioneer | 8 | Daigo, Akazaki (1561) | Won 2-1 | +171634 |
| 5pioneer | 5 | Hosokawa, Yuya (1969) | Lost 0-2 | -121622 |
| 6pioneer | 6 | Hieda, Yosuke (1439) | Won 2-1 | +151637 |
| 7pioneer | 4 | Noine, Kazuhiro (1914) | Won 2-0 | +231660 |
| 8pioneer | 6 | Atsuji, Makoto (1649) | Won 2-0 | +181678 |
| 9pioneer | 3 | Matsuura, Takumi (2031) | Won 2-1 | +241702 |
| 10pioneer | 2 | Masukado, Kenta (2114) | Lost 1-2 | -111691 |
| 11pioneer | 5 | Hashizume, Hayato (1720) | Won 2-1 | +181709 |
| 12pioneer | 1 | Nakao, Motohiko (1966) | ID | 01709 |
| Qpioneer | Masukado, Kenta (2125) | Lost 1-2 | -101699 | |
| top | average opponent: 1795record: 9-3-1 | new rating: 1699 | ||
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 44 | Takakura, Shinichirou (1646) | Won 2-1 | +201557 |
| 2pioneer | 272 | Kubota, Hirofumi (1433) | Won 2-1 | +161573 |
| 3pioneer | 237 | Rita, Takayuki (1598) | Won 2-1 | +181591 |
| 4pioneer | 59 | Toda, Shinya (1666) | Lost 0-2 | -171574 |
| 5pioneer | 306 | Hori, Masataka (1773) | Lost 1-2 | -141560 |
| 6pioneer | 384 | Baba, Yasunori (1646) | Lost 1-2 | -161544 |
| 7pioneer | 429 | Kato, Shota (1534) | Won 2-1 | +171561 |
| top | average opponent: 1614record: 4-3 | new rating: 1561 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1581 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 188 | Takeda, Yuki 3088 (1474) | Lost 0-2 | -201561 |
| 2sealed | 746 | Yamada, Satoshi (1482) | Won 2-1 | +171578 |
| 3sealed | 668 | Nakayama, Makoto (1359) | Lost 1-2 | -221556 |
| 4sealed | 990 | Takeuchi, Hiroto (1511) | Lost 1-2 | -191537 |
| top | average opponent: 1457record: 1-3 | new rating: 1537 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1640 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 141 | Imagawa, Hiromasa (1792) | Lost 0-2 | -151625 |
| 2standard | 305 | Lin, Charlie (1452) | Lost 0-2 | -221603 |
| 3standard | 521 | Zhao, Shengbo (1464) | Lost 0-2 | -201583 |
| 4standard | 496 | Yan, Armstrong (1447) | Won 2-0 | +151598 |
| 5standard | 455 | Yi, Sanghee (1632) | Lost 0-2 | -171581 |
| top | average opponent: 1558record: 1-4 | new rating: 1581 | ||
| Grand Prix Hong Kong 2018 (modern) | starting rating: 1598 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 164 | Song, Jinliang (1536) | Won 2-0 | +171615 |
| 3modern | 140 | Kamo, Riki (1726) | Lost 1-2 | -161599 |
| 4modern | 190 | Chan, Alvin [HKG] (1534) | Won 2-0 | +171616 |
| 5modern | 90 | Xiong, Jian (1634) | Lost 1-2 | -181598 |
| 6modern | 178 | Wong, Chin Chuan (1600) | Won 2-1 | +181616 |
| 7modern | 121 | Tong, Wing Kiu (1545) | Won 2-1 | +171633 |
| 8modern | 115 | Pai, Fu Tzu (1531) | Won 2-1 | +161649 |
| 9modern | 31 | Ng, Ming Woon (1658) | Won 2-0 | +181667 |
| 10modern | 34 | Mak, Wai Hou (1865) | Lost 1-2 | -141653 |
| 11modern | 42 | Qian, Zhengrui (1482) | Won 2-1 | +141667 |
| 12modern | 36 | Wa, Ho (1525) | Won 2-0 | +161683 |
| 13modern | 30 | Kihara, Atsuki (1877) | Lost 0-2 | -151668 |
| 14modern | 30 | Kakumae, Teruya (1942) | Lost 1-2 | -131655 |
| 15modern | 48 | Wong, Man Lok (1798) | Lost 0-2 | -151640 |
| top | average opponent: 1661record: 8-6 | new rating: 1640 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1623 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 426 | Matsumoto, Kazuma 0580 (1586) | Lost 0-2 | -191604 |
| 3sealed | 850 | Ota, Masahito (1452) | Lost 0-2 | -211583 |
| 4sealed | 849 | Tanabe, Kyohei (1479) | Won 2-0 | +161599 |
| 5sealed | 690 | Morishita, Mizuki (1763) | Lost 1-2 | -151584 |
| 6sealed | 782 | Hasegawa, Tsuneyuki (1424) | Won 2-0 | +151599 |
| 7sealed | 610 | Kusakawa, Naoto (1381) | Lost 1-2 | -211578 |
| 8sealed | 567 | Hirano, Mikita (1705) | Won 2-0 | +201598 |
| top | average opponent: 1541record: 3-4 | new rating: 1598 | ||
| Grand Prix Shanghai 2017 (XLN standard) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 107 | Jiang, Junping (1559) | Draw 1-1 | -11595 |
| 3standard | 153 | Li, Youchen (1617) | Won 2-1 | +181613 |
| 4standard | 89 | Li, Jingyang (1617) | Lost 0-2 | -181595 |
| 5standard | 162 | Sun, Sishi (1517) | Won 2-0 | +171612 |
| 6standard | 97 | Ma, Yefan (1537) | Won 2-0 | +171629 |
| 7standard | 59 | Zhang, Meng Qiu (1867) | Won 2-0 | +221651 |
| 8standard | 37 | Oonishi, Takahisa (1474) | Lost 1-2 | -211630 |
| 9standard | 71 | Wu, Jiaqi (1468) | Won 2-1 | +151645 |
| 10standard | 47 | Li, Zheng (1507) | Won 2-0 | +151660 |
| 11standard | 30 | Gondo, Kosuke (1639) | Lost 0-2 | -181642 |
| 12standard | 49 | Li, Haoyuan (1582) | Lost 1-2 | -191623 |
| top | average opponent: 1580record: 6-4-1 | new rating: 1623 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 160 | Yee, Louis (1408) | Lost 1-2 | -211567 |
| 3sealed | 608 | Sumihira, Toru (1480) | Draw 1-1 | -11566 |
| 4sealed | 799 | Anzai, Shintaro (1435) | Lost 0-2 | -211545 |
| 5sealed | 926 | Chan, Siu Cheong (1465) | Won 2-0 | +171562 |
| 6sealed | 753 | Kanetuna, Yoshinori (1574) | Won 2-1 | +181580 |
| 7sealed | 551 | Ochi, Takushi (1430) | Won 2-0 | +151595 |
| 8sealed | 378 | Kaneko, Masashi (1578) | Lost 0-2 | -181577 |
| 9sealed | 520 | Jo, Bunkun (1608) | Won 2-0 | +191596 |
| top | average opponent: 1497record: 4-3-1 | new rating: 1596 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 272 | Hukuda, Kazuki (1464) | Won 2-1 | +161592 |
| 3modern | 368 | Gondo, Kosuke (1547) | Lost 0-2 | -191573 |
| 4modern | 823 | Satou, Yuuya (1564) | Lost 0-2 | -181555 |
| 5modern | 856 | Nagata, Atsushi (1438) | Won 2-1 | +161571 |
| 6modern | 541 | Kamei, Hiroto (1495) | Won 2-0 | +171588 |
| 7modern | 374 | Nakayama, Kousuke (1532) | Won 2-1 | +171605 |
| 8modern | 396 | Yokono, Yuusuke (1551) | Won 2-0 | +171622 |
| 9modern | 99 | Chu Heng, Eng (1780) | Lost 0-2 | -161606 |
| 10modern | 309 | Takato, Toshiyuki (1602) | Lost 0-2 | -181588 |
| top | average opponent: 1553record: 5-4 | new rating: 1588 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 480 | Kawatsu, Shunsuke (1450) | Lost 0-2 | -191502 |
| 3standard | 1104 | Kubota, Hirofumi (1395) | Won 2-1 | +161518 |
| 4standard | 672 | Takeuchi, Kenichi (1567) | Won 2-1 | +191537 |
| 5standard | 297 | Tsuchiya, Hideaki (1779) | Lost 0-2 | -141523 |
| 6standard | 609 | Murao, Keisuke (1597) | Won 2-1 | +191542 |
| 7standard | 354 | Oh, Young Seok (1606) | Lost 0-2 | -161526 |
| 8standard | 655 | Zhi, Yimin (1689) | Won 2-0 | +201546 |
| 9standard | 473 | Horiike, Shinya (1456) | Won 2-0 | +171563 |
| 10standard | 347 | Furukawa, Takuto (1499) | Won 2-1 | +171580 |
| 11standard | 196 | Okumura, Yuji (1881) | Lost 0-2 | -131567 |
| 12standard | 263 | Lim, Zhong Yi (1939) | Won 2-1 | +241591 |
| 13standard | 217 | Kusanagi, Hikaru (1571) | Lost 0-2 | -181573 |
| 14standard | 204 | Takeuchi, Ataru (1696) | Won 2-0 | +201593 |
| 15standard | 210 | Lee, Alan (1638) | Lost 0-2 | -171576 |
| top | average opponent: 1626record: 8-6 | new rating: 1576 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 459 | Yoshida, Atsushi (1461) | Won 2-1 | +181484 |
| 3legacy | 425 | Yamakoshi, Nozomi (1508) | Won 2-1 | +181502 |
| 4legacy | 101 | Okano, Yukimasa (1445) | Won 2-0 | +171519 |
| 5legacy | 60 | Masuda, Sho (1611) | Won 2-0 | +201539 |
| 6legacy | 12 | Takeuchi, Shouhei (1524) | Lost 1-2 | -191520 |
| 7legacy | 49 | Fujita, Toshihide (1535) | Won 2-1 | +191539 |
| 8legacy | 56 | Yamane, Masahiro (1552) | Lost 0-2 | -181521 |
| 9legacy | 231 | Faber, Manuel (1888) | Won 2-1 | +241545 |
| 10legacy | 49 | Park, Heechan (1562) | Lost 1-2 | -171528 |
| 11legacy | 176 | Katou, Takayoshi (1646) | Won 2-1 | +201548 |
| 12legacy | 80 | Lam, Joe (1832) | Lost 1-2 | -131535 |
| 13legacy | 162 | Oiso, Kenji (1735) | Lost 0-2 | -151520 |
| 14legacy | 249 | Iwamura, Yusuke (1546) | Won 2-1 | +191539 |
| 15legacy | 152 | Manabe, Shun (1544) | Lost 1-2 | -181521 |
| top | average opponent: 1599record: 8-6 | new rating: 1521 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 977 | Sakamine, Takayuki (1500) | Won 2-1 | +181518 |
| 2sealed | 620 | Higaki, Motohide (1502) | Lost 0-2 | -181500 |
| 3sealed | 890 | Yajima, Tatsuaki (1639) | Lost 0-2 | -161484 |
| 4sealed | 992 | Tamai, Toshimasa (1454) | Lost 1-2 | -181466 |
| top | average opponent: 1524record: 1-3 | new rating: 1466 | ||