Hasegawa, Kazuhiko
Current rating: 1752 (#3827)
Record: 58-45-3
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1721 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 373 | Okuyama, Kouhei (1409) | Won 2-0 | +131734 |
| 3sealed | 350 | Komiya, Yuki (1534) | Won 2-0 | +141748 |
| 4sealed | 109 | Sawada, Tetsushi (1659) | Won 2-0 | +171765 |
| 5sealed | 67 | Iwaki, Tetsuya (1562) | Lost 0-2 | -221743 |
| 6sealed | 198 | Yamamoto, Ryoichi (1649) | Won 2-1 | +161759 |
| 7sealed | 87 | Arvigo, Matias Gabriel (1770) | Won 2-0 | +181777 |
| 8sealed | 89 | Chew, Kelvin (2237) | Lost 1-2 | -101767 |
| 9sealed | 89 | Lax, Ari (1995) | Won 2-1 | +221789 |
| 10draft | 118 | Watanabe, Joe (1556) | Won 2-1 | +141803 |
| 11draft | 28 | Stok, Alex (1952) | Lost 0-2 | -151788 |
| 12draft | 284 | Arvigo, Matias Gabriel (1778) | Lost 1-2 | -181770 |
| 13draft | 286 | Sakamoto, Aihei (1582) | Lost 1-2 | -221748 |
| 14draft | 204 | Cabrera, Leandro (1686) | Won 2-0 | +171765 |
| 15draft | 232 | Takahashi, Zen (2010) | Lost 0-2 | -131752 |
| top | average opponent: 1741record: 8-6 | new rating: 1752 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1704 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 473 | Kobayashi, Yuuki 0719 (1538) | Lost 0-2 | -211683 |
| 4modern | 878 | Kawano, Yoshinari (1437) | Won 2-0 | +141697 |
| 5modern | 390 | Oh, Joo Hyun (1804) | Won 2-1 | +201717 |
| 6modern | 281 | Sano, Kaname (1584) | Won 2-1 | +151732 |
| 7modern | 101 | Ogata, Nobuhiko (1648) | Lost 0-2 | -191713 |
| 8modern | 323 | Oono, Koutarou (1582) | Won 2-1 | +151728 |
| 9modern | 209 | Takiguchi, Yuta (1626) | Lost 1-2 | -201708 |
| 10modern | 246 | Nakajima, Shunichi (1561) | Won 2-1 | +161724 |
| 11modern | 175 | Fujikake, Yakumo (1525) | Won 2-0 | +141738 |
| 12modern | 176 | Maruo, Yuuta (1800) | Lost 1-2 | -171721 |
| top | average opponent: 1611record: 6-4 | new rating: 1721 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1715 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 293 | Ishiai, Yoshinosuke (1536) | Lost 1-2 | -211694 |
| 4standard | 820 | Noto, Jun (1547) | Lost 1-2 | -211673 |
| 5standard | 1233 | Yajima, Yasunori (1375) | Draw 1-1 | -51668 |
| 6standard | 1027 | Yanagihara, Hiroki (1473) | Won 2-0 | +141682 |
| 7standard | 764 | Kim, Chang-Hoi (1604) | Won 2-0 | +171699 |
| 8standard | 500 | Nagahashi, Sadaaki (1689) | Won 2-0 | +181717 |
| 9standard | 323 | Fuse, Hajime (1549) | Won 2-1 | +151732 |
| 10standard | 228 | Kobayashi, Souichi (1490) | Lost 1-2 | -231709 |
| 11standard | 333 | Omiya, Takahiro (1403) | Draw 1-1 | -51704 |
| top | average opponent: 1518record: 4-3-2 | new rating: 1704 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1629 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 525 | Taniguchi, Hiroaki (1691) | Won 2-1 | +191648 |
| 4sealed | 136 | Hinohara, Toyokazu (1328) | Won 2-0 | +131661 |
| 5sealed | 93 | Sano, Keisuke (1459) | Won 2-1 | +141675 |
| 6sealed | 68 | Ishiwada, Hiroyuki (1651) | Won 2-0 | +181693 |
| 7sealed | 14 | Kamizono, Naoki (1690) | Lost 1-2 | -181675 |
| 8sealed | 75 | Sugimura, Yoshiyasu (1700) | Won 2-1 | +181693 |
| 9sealed | 17 | Umi, Hirokazu (1497) | Lost 0-2 | -211672 |
| 10draft | 219 | Lerdtummatragule, Chaichana (1639) | Won 2-0 | +171689 |
| 11draft | 242 | Yoshizumi, Tomohiro (1774) | Lost 1-2 | -161673 |
| 12draft | 97 | Ushie, Yuuta (1870) | Won 2-0 | +211694 |
| 13draft | 12 | Nakano, Tatsuhito (1624) | Won 2-1 | +171711 |
| 14draft | 12 | Young, Ryan (1878) | Lost 0-2 | -151696 |
| 15draft | 12 | Ishii, Taisuke (1763) | Won 2-0 | +191715 |
| top | average opponent: 1659record: 9-4 | new rating: 1715 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 350 | Arai, Ikki (1369) | Won 2-0 | +141590 |
| 4standard | 241 | Taura, Ryuji (1699) | Lost 1-2 | -161574 |
| 5standard | 301 | Endo, Takuya6807 (1406) | Won 2-0 | +151589 |
| 6standard | 141 | Serizawa, Yuuki (1525) | Won 2-1 | +171606 |
| 7standard | 111 | Yamane, Kazutaka (1575) | Won 2-1 | +181624 |
| 8standard | 61 | Kainuma, Satoru (1608) | Lost 1-2 | -191605 |
| 9standard | 215 | Saida, Toshihiro (1581) | Won 2-1 | +181623 |
| 10standard | 70 | Yada, Kazuki (1669) | Lost 1-2 | -171606 |
| 11standard | 138 | Hagiwara, Noriyuki (1769) | Lost 1-2 | -151591 |
| 12standard | 143 | Kiyonaga, Sho (1645) | Lost 0-2 | -171574 |
| 13standard | 139 | Yamakawa, Akihiro (1481) | Won 2-1 | +161590 |
| 14standard | 129 | Kinoshita, Akira (1540) | Won 2-0 | +171607 |
| 15standard | 111 | Shimada, Hiroya (1842) | Won 2-1 | +221629 |
| top | average opponent: 1593record: 8-5 | new rating: 1629 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 879 | Tsai, Kai-an (1734) | Won 2-1 | +221504 |
| 4sealed | 846 | Tsukahara, Kazuto (1667) | Lost 0-2 | -151489 |
| 5sealed | 976 | Noguchi, Takeshi (1507) | Won 2-1 | +181507 |
| 6sealed | 867 | Watanabe, Ryuji (1609) | Lost 0-2 | -161491 |
| 7sealed | 924 | Yamagata, Yutaro (1610) | Won 2-1 | +201511 |
| 8sealed | 943 | Kanaoka, Yoshihiko (1498) | Won 2-1 | +181529 |
| 9sealed | 873 | Ueno, Wataru (1588) | Won 2-0 | +191548 |
| 10draft | 63 | Takeuchi, Ataru (1583) | Lost 0-2 | -171531 |
| 11draft | 37 | Sato, Tatsuo (1476) | Won 2-0 | +171548 |
| 12draft | 71 | Fujimura, Kazuaki (1811) | Won 2-1 | +231571 |
| 13draft | 138 | Kubo, Yuta (1583) | Won 2-0 | +181589 |
| 14draft | 157 | Hirose, Daisuke (1894) | Lost 0-2 | -131576 |
| 15draft | 99 | Sato, Kimihiko (1783) | ID | 01576 |
| top | average opponent: 1642record: 8-4-1 | new rating: 1576 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 664 | Yonezawa, Musashi (1753) | Lost 1-2 | -131453 |
| 4sealed | 840 | Watanabe, Takefumi (1474) | Won 2-0 | +181471 |
| 5sealed | 717 | Uematsu, Tatsuya (1551) | Lost 0-2 | -161455 |
| 6sealed | 818 | Hashimoto, Masatoshi (1615) | Won 2-1 | +211476 |
| 7sealed | 793 | Oonishi, Tatsuya (1656) | Won 2-1 | +211497 |
| 8sealed | 675 | Takagi, Kengo (1590) | Draw 1-1 | +21499 |
| 9sealed | 700 | Abe, Yuya (1556) | Lost 0-2 | -171482 |
| top | average opponent: 1599record: 3-3-1 | new rating: 1482 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 118 | Kawakami, Naoki (1519) | Won 2-0 | +201429 |
| 5standard | 20 | Kusakabe, Shuichi (1553) | Lost 1-2 | -161413 |
| 6standard | 88 | Kimonji, Hiroki (1489) | Won 2-0 | +191432 |
| 7standard | 90 | Watanabe, Yuuki (1535) | Won 2-0 | +201452 |
| 8standard | 80 | Honda, Jun'Ichi (1638) | Won 2-1 | +211473 |
| 9standard | 28 | Chen, Liang (1883) | Lost 1-2 | -111462 |
| 10standard | 83 | Itou, Syuhei (1592) | Lost 1-2 | -151447 |
| 11standard | 98 | Tanigaki, Toshiyuki (1571) | Won 2-0 | +201467 |
| 12standard | 54 | Sando, Masao (1662) | Won 2-0 | +221489 |
| 13standard | 56 | Kasuga, Ryosuke (1634) | Won 0-0 | +201509 |
| 14standard | 42 | Yokote, Takeshi (1635) | Lost 0-2 | -151494 |
| 15standard | 33 | Kawakami, Hiroshi (1845) | Lost 0-2 | -121482 |
| 16standard | 60 | Kawahara, Ryouta (1598) | Lost 0-2 | -161466 |
| top | average opponent: 1627record: 7-6 | new rating: 1466 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 125 | Fukuda, Yousuke (1500) | Lost 0-2 | -181465 |
| 2standard | 273 | Imakawa, Kiyoshi (1305) | Lost 1-2 | -211444 |
| 3standard | 341 | Ueno, Tsuyoshi (1429) | Lost 1-2 | -181426 |
| 4standard | 409 | Kuriyama, Yuusuke (1445) | Won 2-0 | +181444 |
| 5standard | 365 | Kawano, Ryo (1414) | Lost 1-2 | -181426 |
| 6standard | 349 | Satou, Takahisa (1489) | Lost 0-2 | -171409 |
| 7standard | 292 | Kasuga, Takashi (1369) | Lost 0-1 | -191390 |
| 8standard | 238 | Kusumi, Kousei (1405) | Won 2-1 | +191409 |
| top | average opponent: 1420record: 2-6 | new rating: 1409 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 257 | Taniguchi, Yuusuke (1524) | Lost 0-0 | -181482 |
| 2sealed | 192 | Tsukimoto, Kazuhiro (1322) | Won 2-0 | +161498 |
| 3sealed | 149 | Fukushige, Hirofumi (1505) | Won 2-0 | +181516 |
| 4sealed | 133 | koyama, masashi[TK] (1519) | Lost 0-2 | -181498 |
| 5sealed | 176 | Sato, Hideyuki (1455) | Won 2-1 | +171515 |
| 6sealed | 8 | Senba, Kotaro (1641) | Lost 1-2 | -161499 |
| 7sealed | 90 | Nakamura, Satoshi (1591) | Lost 0-2 | -161483 |
| top | average opponent: 1508record: 3-4 | new rating: 1483 | ||