Hasegawa, Yu
Current rating: 1732 (#4704)
Record: 71-51-2
- 2009
- 2010
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2019
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1718 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 211 | Semura, Junichi (1608) | Won 2-0 | +161734 |
| 2sealed | 20 | Nishi, Hyuma (1666) | Won 2-0 | +171751 |
| 3sealed | 154 | Onoda, Kenji (1607) | Lost 1-2 | -211730 |
| 4sealed | 309 | Abe, Yuji3038 (1464) | Won 2-1 | +131743 |
| 5sealed | 223 | Hori, Tatsuya (1540) | Won 2-0 | +151758 |
| 6sealed | 157 | Moriya, Daisuke (1599) | Lost 1-2 | -211737 |
| 7sealed | 389 | Tanaka, Yuki 4774 (1532) | Won 2-1 | +141751 |
| 8sealed | 250 | Kawasoe, Shintaro (1690) | Lost 0-2 | -191732 |
| top | average opponent: 1588record: 5-3 | new rating: 1732 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1728 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 423 | Yusuke, Ono (1560) | Won 2-0 | +151743 |
| 2standard | 74 | Nishikawa, Ryota (1600) | Won 2-0 | +161759 |
| 3standard | 246 | Nakamura, Junya (1625) | Lost 1-2 | -211738 |
| 4standard | 532 | Kasahara, Takuya (1611) | Lost 1-2 | -201718 |
| top | average opponent: 1599record: 2-2 | new rating: 1718 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1742 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 46 | Abe, Michio (1529) | Won 2-1 | +141756 |
| 4modern | 128 | Kato, Kensuke (1693) | Draw 1-1 | -11755 |
| 5modern | 169 | Shimizu, Keisuke (1521) | Lost 1-2 | -221733 |
| 6modern | 422 | Ise, Mohiro (1542) | Won 2-1 | +141747 |
| 7modern | 247 | Yamamoto, Tetsuji (1700) | Lost 1-2 | -191728 |
| top | average opponent: 1597record: 2-2-1 | new rating: 1728 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1755 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 415 | Okada, Masakazu (1535) | Won 2-0 | +141769 |
| 4standard | 41 | Itou, Masayoshi (1572) | Lost 1-2 | -221747 |
| 5standard | 492 | Ito, Tsukasa (1505) | Lost 0-2 | -221725 |
| 6standard | 689 | Urasaki, Takayuki (1586) | Won 2-1 | +151740 |
| 7standard | 563 | Ohki, Tatsuhiko (1793) | Won 2-0 | +191759 |
| 8standard | 252 | Baba, Yasunori (1772) | Lost 0-2 | -171742 |
| top | average opponent: 1627record: 3-3 | new rating: 1742 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1781 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 172 | Date, Tsutomu (1541) | Won 2-1 | +141795 |
| 4legacy | 20 | Kumagae, Kousuke (1551) | Won 2-1 | +141809 |
| 5legacy | 130 | Takahashi, Ryo 3906 (1599) | Lost 0-2 | -221787 |
| 6legacy | 152 | Takeda, Kengo (1559) | Won 2-0 | +141801 |
| 7legacy | 76 | Akamatsu, Manabu (1546) | Lost 0-2 | -231778 |
| 8legacy | 213 | Jinnai, Ryosuke (1465) | Lost 1-2 | -231755 |
| top | average opponent: 1544record: 3-3 | new rating: 1755 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1785 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 201 | Ichikawa, Sho (1551) | Won 2-1 | +141799 |
| 3standard | 90 | Ohba, Hiroshi (1532) | Won 2-0 | +131812 |
| 4standard | 264 | Taniguchi, Hitoshi (1540) | Lost 1-2 | -231789 |
| 5standard | 542 | Hisano, Mikita (1456) | Won 2-1 | +121801 |
| 6standard | 362 | Shiozaki, Toshinori (1624) | Draw 1-1 | -31798 |
| 7standard | 283 | Hakage, Daiki (1554) | Won 2-0 | +141812 |
| 8standard | 163 | Shinohara, Gen (Tokyo) (1559) | Lost 1-2 | -231789 |
| 9standard | 327 | Ohira, Shinichi (1549) | Won 2-1 | +141803 |
| 10standard | 231 | Healy, Brendan (1604) | Lost 1-2 | -221781 |
| top | average opponent: 1552record: 5-3-1 | new rating: 1781 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1654 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 140 | Takahashi, Takefumi (1536) | Won 2-0 | +161670 |
| 4standard | 211 | Hama, Shunsuke (1399) | Won 2-0 | +131683 |
| 5standard | 32 | Takao, Shota (1855) | Won 2-0 | +211704 |
| 6standard | 11 | Mituyasu, Yuki (1668) | Won 2-0 | +171721 |
| 7standard | 24 | Masumoto, Kazuhiro (1609) | Won 2-1 | +161737 |
| 8standard | 16 | Kobayashi, Tatsuumi (1828) | Won 2-1 | +201757 |
| 9standard | 3 | Chiba, Akio (2064) | Lost 0-2 | -131744 |
| 10standard | 14 | Tsuda, Tomohiro (1604) | Won 2-0 | +161760 |
| 11standard | 4 | Ookawa, Akihiro (1648) | Lost 0-2 | -201740 |
| 12standard | 23 | Matsubara, Ichiro (1869) | Won 2-1 | +201760 |
| 13standard | 28 | Kitazawa, Kentarou (1657) | Won 2-0 | +161776 |
| 14standard | 5 | Fujimura, Kazuaki (1932) | Lost 1-2 | -151761 |
| 15standard | 16 | Matsumoto, Yuki2978 (2106) | Won 2-0 | +241785 |
| top | average opponent: 1752record: 10-3 | new rating: 1785 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1675 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 2249 | Obi, Atsushi (1516) | Lost 0-2 | -211654 |
| top | record: 0-1 | new rating: 1654 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1661 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 182 | Kajiwara, Shou (1658) | Won 2-0 | +181679 |
| 4legacy | 104 | Cho, Jeong Woo (1694) | Won 2-1 | +181697 |
| 5legacy | 23 | Itou, Takanori (1613) | Won 2-0 | +171714 |
| 6legacy | 5 | Tsuchiya, Hiroki (1609) | Lost 1-2 | -201694 |
| 7legacy | 75 | Mizuki, Shota (1568) | Won 2-0 | +151709 |
| 8legacy | 22 | Tanimoto, Tatsuro (1376) | Won 2-1 | +121721 |
| 9legacy | 6 | Thiele, Kai (1524) | Lost 0-2 | -211700 |
| 10legacy | 71 | Funabiki, Yuusuke (1559) | Lost 0-2 | -211679 |
| 11legacy | 77 | Nakano, Akinori (1451) | Won 2-0 | +141693 |
| 12legacy | 56 | Saitou, Ryuuga (1701) | Won 2-1 | +181711 |
| 13legacy | 36 | Nomura, Ryosuke (1820) | Lost 1-2 | -161695 |
| 14legacy | 53 | Clark, Anthonlee (1539) | Lost 1-2 | -201675 |
| top | average opponent: 1593record: 7-5 | new rating: 1675 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1602 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 372 | Oldekamp, Ulf (1563) | Lost 1-2 | -191583 |
| 2modern | 329 | Nisiyama, Kenji (1482) | Won 2-1 | +161599 |
| 3modern | 255 | Kikuchi, Kota (1473) | Won 2-0 | +161615 |
| 4modern | 337 | Gouda, Fumito (1465) | Lost 1-2 | -211594 |
| 5modern | 302 | Terai, Tadayuki (1500) | Won 2-1 | +161610 |
| 6modern | 242 | Matsuida, Naoki (1522) | Won 2-0 | +171627 |
| 7modern | 172 | Yamane, Kazuya (1488) | Won 2-1 | +151642 |
| 8modern | 173 | Ikebata, Ryou (1573) | Won 2-0 | +171659 |
| 9modern | 86 | Nakamichi, Daisuke (1622) | Won 2-1 | +171676 |
| 10modern | 45 | Sakai, Yuuichi (1584) | Won 2-0 | +171693 |
| 11modern | 38 | Matsushita, Takahiro (1599) | Lost 0-2 | -201673 |
| 12modern | 89 | Oldziey, Kalim (1767) | Won 2-1 | +201693 |
| 13modern | 59 | Yukuhiro, Ken (1988) | Lost 1-2 | -131680 |
| 14modern | 59 | Sato, Kazumasa5036 (1618) | Lost 0-2 | -191661 |
| top | average opponent: 1589record: 9-5 | new rating: 1661 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 550 | Sakai, Yuuichi (1495) | Won 2-0 | +171573 |
| 2standard | 683 | Moriyama, Masahiro (1330) | Won 2-1 | +141587 |
| 3standard | 556 | Tanaka, Yu (1632) | Lost 0-2 | -171570 |
| 4standard | 680 | Saida, Kazuki (1503) | Won 2-0 | +161586 |
| 5standard | 688 | Wada, Yuusaku (1520) | Won 2-0 | +171603 |
| 6standard | 538 | Kobayashi, Jun0116 (1525) | Won 2-0 | +171620 |
| 7standard | 530 | Suzuki, Gou (1492) | Won 2-0 | +151635 |
| 8standard | 535 | Kumagai, Riku (1721) | Lost 0-2 | -161619 |
| 9standard | 649 | Kunisato, Ebie (1658) | Lost 1-2 | -171602 |
| top | average opponent: 1542record: 6-3 | new rating: 1602 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1592 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 124 | Mashima, Mitsuharu (1662) | Lost 1-2 | -161576 |
| 4standard | 336 | Nagasawa, Shingo (1518) | Won 2-0 | +171593 |
| 5standard | 209 | Shibata, Syouhei (1534) | Won 2-1 | +161609 |
| 6standard | 151 | Yoshimori, Sho (1759) | Lost 1-2 | -151594 |
| 7standard | 218 | Luo, Xingbin (1604) | Lost 0-2 | -181576 |
| 8standard | 337 | Hozumi, Masashi (1455) | Lost 0-2 | -201556 |
| top | average opponent: 1589record: 2-4 | new rating: 1556 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 4modern | 95 | Nakamura, Shuhei (1902) | Won 2-0 | +251528 |
| 5modern | 58 | Takao, Akinao (1685) | Won 2-0 | +211549 |
| 6modern | 36 | Yasuda, Masayuki (1817) | Won 2-1 | +221571 |
| 7modern | 8 | Okumura, Noriaki (1504) | Won 2-1 | +171588 |
| 8modern | 10 | Furuta, Yusuke (1689) | Won 2-0 | +201608 |
| 9modern | 4 | Kuo, Tzu-Ching (1987) | Won 2-1 | +251633 |
| 10modern | 2 | Sui, Xin (1887) | Lost 1-2 | -141619 |
| 11modern | 4 | Maki, Yousuke (1612) | Won 2-1 | +181637 |
| 12modern | 4 | Sakamoto, Sakito (1807) | Won 2-0 | +211658 |
| 13modern | 3 | Nagami, Youichi (1721) | Lost 0-2 | -171641 |
| 14modern | 4 | Kadooka, Toshiyuki (1883) | Lost 1-2 | -131628 |
| 15modern | 11 | Ohtani, Yuya (1645) | Lost 1-2 | -181610 |
| 16modern | 21 | Okino, Ryuu (1632) | Lost 0-2 | -181592 |
| top | average opponent: 1752record: 8-5 | new rating: 1592 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 48 | Iyanaga, Junya (1906) | Lost 1-2 | -121540 |
| 5standard | 140 | Ootsuki, Naofumi (1521) | Lost 1-2 | -181522 |
| 6standard | 206 | Nakamura, Mineyuki (1465) | Lost 1-2 | -191503 |
| top | average opponent: 1631record: 0-3 | new rating: 1503 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 50 | Ando, Junichi (1406) | Won 2-0 | +161533 |
| 2extended | 47 | Hirayama, Hideyuki (1518) | Won 2-1 | +171550 |
| 3extended | 115 | Kanamori, Yusuke (1535) | Lost 1-2 | -181532 |
| 4extended | 283 | Sawada, Ken (1641) | Won 2-1 | +201552 |
| 5extended | 99 | Andou, Haruka (1534) | Won 2-0 | +181570 |
| 6extended | 36 | Inoue, Junji (1628) | Lost 1-2 | -171553 |
| 7extended | 139 | Kitagawa, Tomoaki (1574) | Won 2-0 | +181571 |
| 8extended | 193 | Ishiguro, Satoshi (1510) | Lost 1-2 | -191552 |
| top | average opponent: 1543record: 5-3 | new rating: 1552 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 97 | Watanabe, Hayato (1451) | Won 2-1 | +171517 |
| 2sealed | 180 | Matsumura, Takehiko (1429) | Lost 0-2 | -191498 |
| 3sealed | 254 | Katagiri, Toshiki (1468) | Won 2-0 | +171515 |
| 4sealed | 161 | Nishimaki, Akira (1597) | Won 2-1 | +191534 |
| 5sealed | 63 | Tanaka, Yu (1563) | Won 2-0 | +191553 |
| 6sealed | 61 | Kimura, Takuto (1538) | Lost 0-2 | -181535 |
| 7sealed | 112 | Fujita, Shunsuke (1534) | Lost 1-2 | -181517 |
| top | average opponent: 1512record: 4-3 | new rating: 1517 | ||