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Hosoi, Ippei
Current rating: 1674

Grand Prix Yokohama 2019 (modern) starting rating: 1691
round table opponent (rating) result Δrating
1modern 271 Shoji, Taichi (1501) Lost 0-2 -211670
2modern 963 Hanano, Tetsuaki (1436) Won 2-1 +131683
3modern 986 Yaegasi, Naoki (1540) Won 2-1 +161699
4modern 309 Murakami, Kazuya3837 (1756) Lost 1-2 -171682
5modern 898 Hieda, Ryu (1657) Won 2-1 +171699
6modern 393 Kojima, Yoshimasa (1656) Lost 1-2 -181681
7modern 603 Kurosawa, Yuuki7831 (1419) Lost 1-2 -231658
8modern 602 Iwasaki, Koichi (1561) Won 2-0 +161674
top average opponent: 1566record: 4-4 new rating: 1674

Grand Prix Chiba 2018 (M19 limited) starting rating: 1688
round table opponent (rating) result Δrating
1sealed 368 Kitagawa, Tomohiro (1292) Lost 1-2 -251663
2sealed 599 Omori, Wataru (1572) Won 2-1 +171680
3sealed 597 Kanehira, Yuma (1499) Lost 0-2 -221658
4sealed 1069 Akimoto, Daichi (1457) Won 2-0 +151673
5sealed 790 Ma, Junjie (1412) Lost 1-2 -231650
6sealed 784 Mikami, Takaya (1489) Won 2-0 +151665
7sealed 570 Ogyu, Yoshiyuki (1373) Won 2-0 +131678
8sealed 466 Kaido, Yoshiaki (1393) Won 2-1 +131691
top average opponent: 1436record: 5-3 new rating: 1691

Grand Prix Kobe 2017 (modern) starting rating: 1710
round table opponent (rating) result Δrating
2modern 389 Kondo, Shogo (1529) Lost 1-2 -211689
3modern 1009 Ookawa, Yuya (1509) Won 2-1 +141703
4modern 513 Suzuki, Kazuhiro 4218 (1505) Lost 0-2 -211682
5modern 818 Lagasca, Rafael (1639) Lost 1-2 -191663
6modern 920 Hayano, Satosi (1479) Won 2-0 +151678
7modern 962 Imai, Yu (1470) Won 2-1 +141692
8modern 624 Cheung, Zack (1512) Won 2-0 +151707
9modern 522 Yanase, Kaname (1682) Lost 0-2 -191688
top average opponent: 1541record: 4-4 new rating: 1688

Grand Prix Shizuoka 2017 (AER standard) starting rating: 1696
round table opponent (rating) result Δrating
2standard 171 Hiraoka, Yuto (1462) Won 2-1 +141710
3standard 637 Liao, Yi-Nan (1821) Lost 0-2 -161694
4standard 743 Huruta, Syuuhei (1468) Won 2-0 +141708
5standard 491 Yamamoto, Ryousuke (1510) Won 2-1 +141722
6standard 251 Matubayashi, Kazunori (1688) Lost 0-2 -181704
7standard 581 Kabeya, Atsushi (1432) Won 2-0 +131717
8standard 398 Masukado, Kenta (1759) Lost 1-2 -171700
9standard 550 Takasu, Yusuke (1537) Won 2-1 +151715
10standard 200 Takita, Takeshi (1593) Won 2-0 +161731
11standard 260 Kakumae, Teruya (1980) Lost 0-2 -141717
12standard 222 Takano, Kouhei (1692) Won 2-0 +181735
13standard 173 Shimizu, Yousuke (1769) Won 2-0 +181753
14standard 171 Iwata, Sou (1559) Lost 0-2 -211732
15standard 190 Ogata, Kai (1512) Lost 1-2 -221710
top average opponent: 1627record: 8-6 new rating: 1710

Grand Prix Chiba 2016 (legacy) starting rating: 1699
round table opponent (rating) result Δrating
2legacy 504 Hasizume, Iori (1518) Won 2-0 +151714
3legacy 518 Yamada, Yosuke9422 (1500) Won 2-0 +141728
4legacy 245 Sunada, Shougo (1753) Won 2-0 +181746
5legacy 135 Ishii, Takuya (1558) Lost 1-2 -211725
6legacy 245 Mizuguchi, Kiyoshi (1540) Lost 1-2 -211704
7legacy 455 Tay, Ken (1467) Won 2-0 +141718
8legacy 193 Ishiguro, Tetsuya (1509) Lost 1-2 -221696
9legacy 333 Yamagami, Yudai (1722) Draw 1-1 01696
top average opponent: 1571record: 4-3-1 new rating: 1696

Grand Prix Tokyo 2016 (SOI standard) starting rating: 1651
round table opponent (rating) result Δrating
2standard 213 Seki, Takayuki (1504) Lost 0-2 -211630
3standard 1112 Takamizu, Tomohiro (1737) Won 2-1 +201650
4standard 767 Ishijima, Kazuya (1531) Won 2-0 +161666
5standard 400 Itou, Masayoshi (1624) Lost 0-2 -191647
6standard 526 Kasai, Yuuki (1553) Won 2-0 +161663
7standard 366 Koide, Yukua (1488) Won 2-1 +151678
8standard 290 Orimo, Yuto (1520) Won 2-0 +151693
9standard 215 Saito, Shinya (1628) Lost 0-2 -191674
10standard 399 Ogawa, Ryota (1623) Won 2-0 +171691
11standard 187 Aoki, Shougo (1622) Lost 1-2 -191672
12standard 354 Kasuga, Ryou (Nagano) (1544) Lost 1-2 -201652
13standard 304 Miura, Takahiro (1506) Won 2-0 +151667
14standard 244 Aoki, Masatugu (1556) Won 2-0 +161683
15standard 205 Kokumai, Hirokazu (1581) Won 2-0 +161699
top average opponent: 1573record: 9-5 new rating: 1699

Grand Prix Nagoya 2016 (OGW limited) starting rating: 1651
round table opponent (rating) result Δrating
1sealed 468 Kakinoki, Junichi (1478) Lost 0-2 -211630
2sealed 689 Sasai, Keisuke (1482) Won 2-0 +151645
3sealed 943 Nakamura, Akihiro (1404) Lost 1-2 -221623
4sealed 889 Ohta, Shinji (1483) Won 2-1 +151638
5sealed 798 Ho, Ming Ho (1552) Won 2-1 +171655
6sealed 608 Shikama, Hideyasu (1439) Won 2-1 +141669
7sealed 288 Aoki, Yoshitsugu (1591) Won 2-1 +161685
8sealed 244 Ou, Kaitou (1687) Lost 0-2 -181667
9sealed 334 Ichikawa, Yuuki (1747) Lost 1-2 -161651
top average opponent: 1540record: 5-4 new rating: 1651

Grand Prix Kobe 2015 (BFZ standard) starting rating: 1664
round table opponent (rating) result Δrating
1standard 42 Miwa, Kazuki (1500) Lost 1-2 -211643
2standard 597 Shiota, Yuuma (1626) Won 2-1 +181661
3standard 757 Miyake, Tetsuya (1573) Lost 1-2 -201641
4standard 919 Nakajima, Syuro (1434) Won 2-0 +141655
5standard 675 Yamaguchi, Hiroshi9054 (1534) Won 2-0 +161671
6standard 389 Rita, Takayuki (1531) Lost 1-2 -201651
top average opponent: 1533record: 3-3 new rating: 1651

Grand Prix Chiba 2015 (MM2 limited) starting rating: 1539
round table opponent (rating) result Δrating
1sealed 209 Rasmussen, Tierry (1550) Won 2-0 +181557
2sealed 177 Iki, Kenjiro (1485) Won 2-0 +171574
3sealed 221 Matsuo, Akiyoshi (1574) Won 2-0 +181592
4sealed 78 Shirai, Kento (1554) Won 2-0 +171609
5sealed 42 Matsushita, Junnya (1674) Won 2-0 +191628
6sealed 26 Ogawa, Ryota (1638) Won 2-0 +191647
7sealed 11 Ou, Kaitou (1632) Won 2-1 +171664
8sealed 7 Ogata, Nobuhiko (1602) Lost 0-2 -191645
9sealed 25 Yoshimura, Naoto (1610) Won 2-0 +181663
10draft 126 Usami, Taro (1803) Won 2-0 +201683
11draft 52 Yoshida, Kazushi (1704) Won 2-1 +181701
12draft 134 Miwa, Ryou (1651) Lost 0-2 -181683
13draft 122 Tsutsumi, Naoki (1602) Lost 0-2 -201663
14draft 108 Yutaka, Ryohei (1645) Won 2-0 +181681
15draft 18 Itou, Motoaki (1756) Lost 1-2 -171664
top average opponent: 1632record: 11-4 new rating: 1664

Grand Prix Kyoto 2015 (legacy) starting rating: 1545
round table opponent (rating) result Δrating
1legacy 847 Minamide, Tatsuma (1500) Lost 0-2 -191526
2legacy 807 Satou, Kouhei (1502) Lost 1-2 -181508
3legacy 930 Kawasaki, Shingo (1416) Won 2-0 +161524
4legacy 871 Yohara, Tosho (1572) Won 2-0 +191543
5legacy 859 Shibata, Yasumasa (1355) Won 2-1 +151558
6legacy 706 Nakano, Syota (1515) Lost 0-2 -191539
top average opponent: 1477record: 3-3 new rating: 1539

Grand Prix Kobe 2014 (modern) starting rating: 1500
round table opponent (rating) result Δrating
1modern 119 Imai, Masakatsu (1571) Won 2-0 +191519
2modern 60 Kuroda, Masashiro (1875) Won 2-1 +251544
3modern 122 Murao, Masaaki (1454) Won 2-1 +161560
4modern 43 Kinugasa, Satoshi (1683) Lost 0-2 -161544
5modern 145 Tanaka, Jinshu (1533) Won 2-1 +181562
6modern 177 Kawai, Hiroki1988 (1636) Lost 0-2 -171545
top average opponent: 1626record: 4-2 new rating: 1545