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Kumagai, Haruka
Current rating: 1435

Grand Prix Chiba 2019 (M20 limited) starting rating: 1429
round table opponent (rating) result Δrating
1sealed 117 Hashimoto, Ken (1500) Won 2-0 +201449
2sealed 283 Takenaka, Takumi (1676) Lost 0-2 -141435
3sealed 722 Ohno, Junki (1530) Lost 1-2 -171418
4sealed 818 Teshima, Hisanori (1456) Lost 0-2 -171401
5sealed 911 Saito, Tomoe (1266) Won 2-0 +161417
6sealed 766 Mitani, Takashi (1385) Won 2-1 +171434
7sealed 526 Nishikawa, Haruyoshi (1451) Lost 0-2 -181416
8sealed 497 Hayashi, Kenta (1462) Won 2-1 +191435
top average opponent: 1466record: 4-4 new rating: 1435

Grand Prix Chiba 2016 (legacy) starting rating: 1462
round table opponent (rating) result Δrating
1legacy 297 Uno, Tomoki (1500) Lost 0-2 -171445
2legacy 623 Tutumi, Takuya (1355) Won 2-0 +161461
3legacy 987 Matsumoto, Tomohiro (1565) Lost 0-2 -161445
4legacy 1049 Ishikawa, Makoto (1481) Won 2-1 +181463
5legacy 712 Nystrom, Sebastian (1467) Lost 0-2 -171446
6legacy 794 Hagiwara, Kenichi (1542) Lost 0-2 -171429
top average opponent: 1485record: 2-4 new rating: 1429

Grand Prix Chiba 2015 (MM2 limited) starting rating: 1501
round table opponent (rating) result Δrating
1sealed 1223 Satou, Kengo (1500) Won 2-0 +181519
2sealed 1037 Murakami, Kohei (1501) Lost 1-2 -181501
3sealed 1216 Hirose, Daichi (1335) Lost 1-2 -211480
4sealed 1273 Oikawa, Takaaki (1480) Lost 1-2 -181462
top average opponent: 1454record: 1-3 new rating: 1462

Grand Prix Kyoto 2015 (legacy) starting rating: 1480
round table opponent (rating) result Δrating
1legacy 829 Fukuhara, Asumu (1480) Won 2-1 +181498
2legacy 593 Sato, Takatoshi (1727) Lost 1-2 -141484
3legacy 885 Kumon, Shun (1579) Won 2-1 +201504
4legacy 792 Kumegawa, Nobuo (1466) Lost 0-2 -191485
5legacy 848 Yamazaki, Kotaro (1523) Won 2-0 +191504
6legacy 656 Murao, Masaaki (1444) Lost 0-2 -201484
7legacy 776 Takahashi, Youichi (1409) Lost 0-2 -191465
8legacy 751 Furukawa, Yun (1480) Won 2-1 +181483
9legacy 683 Wang, Ge-Tine (1477) Won 2-1 +181501
top average opponent: 1509record: 5-4 new rating: 1501

Grand Prix Yokohama 2013 (GTC limited) starting rating: 1535
round table opponent (rating) result Δrating
1sealed 247 Nakao, Hiroaki (1500) Lost 1-2 -191516
2sealed 329 Oikawa, Mutsuki (1527) Lost 0-2 -181498
3sealed 455 Liang, Chihwei (1462) Lost 0-2 -181480
top average opponent: 1496record: 0-3 new rating: 1480

Grand Prix Sendai 2010 (ROE standard) starting rating: 1540
round table opponent (rating) result Δrating
1standard 151 Kojima, Toshihiro (1422) Won 2-0 +161556
2standard 104 Yokoyama, Ryousuke (1495) Won 2-1 +171573
3standard 52 Ishikawa, Masami (1531) Lost 0-2 -191554
4standard 250 Kikuchi, Taiki (1540) Lost 1-2 -181536
5standard 239 Suzuki, Yuya (1503) Won 2-1 +171553
6standard 244 Miyazaki, Hirofumi (1522) Lost 1-2 -181535
top average opponent: 1502record: 3-3 new rating: 1535

Grand Prix Yokohama 2010 (extended) starting rating: 1480
round table opponent (rating) result Δrating
1extended 19 Fukumoto, Hiroaki (1500) Won 2-0 +181498
2extended 116 Yabuta, Junichi (1574) Won 2-1 +201518
3extended 14 Motomura, Shigeru (1693) Won 2-1 +211539
4extended 12 Kobayashi, Takahito (1431) Lost 1-2 -201519
5extended 101 Nakajima, Chikara (1762) Won 2-1 +221541
6extended 56 Miyashita, Kazuki (1558) Lost 1-2 -181523
7extended 114 Itou, Masayoshi (1552) Won 2-0 +191542
8extended 72 Mitsui, Hideo (1427) Lost 0-2 -201522
9extended 115 Miyazi, Yuuta (1544) Won 2-1 +181540
top average opponent: 1560record: 6-3 new rating: 1540

Grand Prix Niigata 2009 (M10 limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 185 Yamamoto, Hiroshi (1500) Lost 1-2 -181482
2sealed 222 Ushikubo, Kenichi (1451) Lost 0-2 -191463
3sealed 273 Tamaki, Yuuta (1465) Won 2-0 +181481
4sealed 271 Nishiwaki, Yousuke (1437) Won 2-1 +181499
5sealed 166 Takeuchi, Ryota (1451) Lost 0-2 -191480
top average opponent: 1461record: 2-3 new rating: 1480