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Koike, Yuta
Current rating: 1680

Grand Prix Yokohama 2019 (modern) starting rating: 1596
round table opponent (rating) result Δrating
1modern 333 Nakamura, Yuto (1441) Won 2-0 +151611
2modern 134 Nishikori, Kouji (1401) Won 1-0 +141625
3modern 441 Kanda, Akihiro (1401) Won 2-0 +141639
4modern 166 Miwa, Ryou (1721) Won 2-1 +201659
5modern 119 Matsuda, Kenji (1555) Won 2-0 +161675
6modern 58 Takahashi, Yuta (1984) Lost 0-2 -131662
7modern 149 Kuriyama, Takuya (1559) Won 2-0 +161678
8modern 24 Noine, Kazuhiro (1814) Lost 0-2 -151663
9modern 132 Fujita, Tsuyoshi (1904) Lost 1-2 -141649
10modern 185 Masuda, Satoshi (1503) Won 2-0 +161665
11modern 174 Terada, Shuuhei (1660) Won 2-0 +181683
12modern 124 Mita, Ryoichi (1559) Won 2-1 +151698
13modern 66 Morikawa, Taichi (1774) Won 2-1 +201718
14modern 31 Suzuki, Takahito (1669) Lost 1-2 -191699
15modern 72 Seo, Kenta (1657) Lost 0-2 -191680
top average opponent: 1640record: 10-5 new rating: 1680

Grand Prix Shizuoka 2018 (legacy) (legacy) starting rating: 1610
round table opponent (rating) result Δrating
1legacy 314 Horikawa, Hideaki (1495) Won 2-1 +161626
2legacy 194 Umehara, Kei (1691) Won 2-1 +191645
3legacy 241 Kwan, Philip (1449) Lost 1-2 -211624
4legacy 302 Yamamoto, Kazuaki (1469) Lost 0-2 -211603
5legacy 419 Shoji, Kenta (1563) Lost 1-2 -191584
6legacy 496 Sakou, Chihiro (1422) Won 2-1 +151599
7legacy 394 Kobayashi, Kazuma (1449) Lost 1-2 -201579
8legacy 348 Matsushita, Masayoshi (1534) Won 2-1 +171596
top average opponent: 1509record: 4-4 new rating: 1596

Grand Prix Chiba 2018 (M19 limited) starting rating: 1629
round table opponent (rating) result Δrating
1sealed 697 Tokairin, Taishi (1427) Won 2-1 +141643
2sealed 233 Sugiyama, Takashi (1518) Lost 0-2 -201623
3sealed 706 Iwatsuki, Takanori (1500) Lost 0-2 -201603
4sealed 1061 Takei, Tomoyuki (1486) Won 2-1 +161619
5sealed 888 Eda, Taichirou (1477) Won 2-0 +151634
6sealed 592 Konno, Tomoyuki (1490) Lost 0-2 -201614
7sealed 607 Kobayashi, Tetsuro (1590) Lost 0-2 -191595
8sealed 560 Ota, Masahito (1442) Won 2-1 +151610
top average opponent: 1491record: 4-4 new rating: 1610

Grand Prix Kyoto 2017 (HOU limited) starting rating: 1655
round table opponent (rating) result Δrating
2sealed 410 Yamada, Ryuichiro (1754) Lost 1-2 -161639
3sealed 688 Oota, Yuuki (1592) Won 2-1 +171656
4sealed 669 Nagafuchi, Takayuki (1480) Lost 0-2 -211635
5sealed 764 Matsumura, Hideaki (1466) Lost 0-2 -211614
6sealed 917 Kase, Tomoki (1438) Won 2-1 +151629
7sealed 599 Kobayashi, Kazutaka (1694) Won 2-1 +191648
8sealed 501 Zhu, Yuxuan (1605) Lost 0-2 -191629
top average opponent: 1576record: 3-4 new rating: 1629

Grand Prix Kobe 2017 (modern) starting rating: 1696
round table opponent (rating) result Δrating
1modern 316 Masui, Yuusuke (1659) Won 2-0 +171713
2modern 280 Hashimoto, Syouta (1518) Lost 0-2 -211692
3modern 861 Moriya, Nobutoshi (1443) Won 2-0 +131705
4modern 658 Chiba, Takato (1660) Lost 1-2 -181687
5modern 959 Furukawa, Jun (1503) Won 2-1 +141701
6modern 517 Murakami, Souta (1687) Won 2-1 +181719
7modern 508 Sakamoto, Takumi (1526) Lost 0-2 -221697
8modern 523 Syota, Kashiwagi (1523) Lost 1-2 -211676
9modern 711 Azuma, Yuki (1493) Lost 1-2 -211655
top average opponent: 1557record: 4-5 new rating: 1655

Grand Prix Shizuoka 2017 (AER standard) starting rating: 1674
round table opponent (rating) result Δrating
1standard 216 Takasou, Kazuki (1500) Won 2-1 +141688
2standard 304 Yamasita, Akinori (1344) Won 2-0 +121700
3standard 399 Hashimoto, Hiromune (1503) Won 2-1 +151715
4standard 105 Tomita, Ryutaro (1462) Won 2-0 +131728
5standard 57 Strautz, Marcel (1713) Won 2-0 +181746
6standard 80 Aka, Shunsuke (1662) Won 2-0 +171763
7standard 39 Horiuchi, Makoto (1880) Lost 1-2 -161747
8standard 104 Hosokawa, Yuya (1773) Lost 1-2 -181729
9standard 125 Honda, Rintaro (1683) Lost 1-2 -191710
10standard 350 Araki, Tatsunori (1642) Lost 0-2 -191691
11standard 373 Terada, Shuuhei (1605) Won 2-0 +161707
12standard 267 Mitsunaga, Yuki (1520) Lost 0-2 -211686
13standard 324 Shiroma, Hiroshi (1506) Won 2-0 +151701
14standard 249 Ichikawa, Norikazu (1601) Lost 1-2 -201681
15standard 237 Hannuki, Yuya (1511) Won 2-0 +151696
top average opponent: 1594record: 9-6 new rating: 1696

Grand Prix Chiba 2016 (legacy) starting rating: 1556
round table opponent (rating) result Δrating
1legacy 467 Tanabe, Masatoshi (1500) Won 2-1 +171573
2legacy 331 Wada, Kousuke (1499) Won 2-0 +171590
3legacy 244 Saito, Shinya (1649) Lost 0-2 -171573
4legacy 706 Miki, Hirozou (1459) Lost 1-2 -201553
5legacy 874 Shin, Jong-Ho (1602) Won 2-0 +191572
6legacy 715 Ito, Toshihiro (1495) Won 2-0 +161588
7legacy 484 Kusunoki, Yuu (1535) Won 2-1 +171605
8legacy 140 Komiyama, Kouhei (1512) Won 2-0 +171622
9legacy 149 Akamatsu, Sei (1572) Won 2-1 +171639
10legacy 116 Arita, Ryuichi (1752) Won 2-0 +201659
11legacy 73 Yamanaka, Kousuke (1600) Won 2-1 +171676
12legacy 52 Koshimura, Takeshi (1663) Won 2-0 +171693
13legacy 23 Nomura, Hidehiro (1779) Lost 1-2 -161677
14legacy 45 Wada, Yusuke (1552) Won 2-0 +161693
15legacy 41 Takemura, Yoshiyuki (1634) Lost 0-2 -191674
top average opponent: 1587record: 11-4 new rating: 1674

Grand Prix Tokyo 2016 (SOI standard) starting rating: 1449
round table opponent (rating) result Δrating
1standard 121 Tanaka, Jun (1466) Won 2-0 +191468
2standard 205 Sugimoto, Taiki (1518) Lost 1-2 -181450
3standard 1321 Chee, Cristerson (1427) Won 2-1 +181468
4standard 565 Nishiyori, Tasuku (1448) Lost 1-2 -181450
5standard 1091 Nihongi, Yuta (1391) Won 2-0 +171467
6standard 592 Simizu, Shou (1517) Won 2-0 +191486
7standard 447 Ogawa, Yoei (1535) Won 2-1 +181504
8standard 334 Tamai, Yuno (1487) Lost 1-2 -181486
9standard 490 Yoshikawa, Yuta (1642) Won 2-1 +211507
10standard 341 Narita, Yuusuke (1602) Won 2-0 +201527
11standard 259 Matsuo, Hirokazu (1631) Won 2-1 +201547
12standard 182 Teo, Yuen Peir (1616) Won 2-0 +191566
13standard 69 Molle, Niels (1887) Lost 0-2 -131553
14standard 145 Mishina, Ryota (1593) Won 2-1 +191572
15standard 134 Maruyama, Yuichiro (1673) Lost 1-2 -161556
top average opponent: 1562record: 10-5 new rating: 1556

Grand Prix Nagoya 2016 (OGW limited) starting rating: 1413
round table opponent (rating) result Δrating
1sealed 63 Kakiuchi, Nobuyuki (1578) Lost 0-2 -151398
2sealed 885 Kuraoka, Satoshi (1534) Lost 0-2 -151383
3sealed 1175 Saito, Keisuke (1406) Won 2-1 +181401
4sealed 973 Itoyama, Yuki (1481) Won 2-1 +201421
5sealed 787 Yanagawa, Tomoyuki (1412) Won 2-0 +181439
6sealed 463 Sakata, Akinori (1254) Won 2-0 +141453
7sealed 298 Yagi, Wataru (1541) Won 2-0 +201473
8sealed 168 Yamada, Yasuo (1427) Won 2-0 +171490
9sealed 101 Ishimaru, Ken (1795) Lost 1-2 -131477
10draft 214 Teshima, Hisanori (1456) Lost 0-2 -181459
11draft 169 Woo, Minseok (1495) Won 2-1 +191478
12draft 330 Kanari, Ken (1596) Lost 0-2 -161462
13draft 339 Koga, Tomohiro (1543) Won 2-0 +191481
14draft 193 Kumayabu, Katuhiro (1526) Lost 0-2 -171464
15draft 230 Chou, Takayuki (1640) Lost 1-2 -151449
top average opponent: 1512record: 8-7 new rating: 1449

Grand Prix Kobe 2015 (BFZ standard) starting rating: 1428
round table opponent (rating) result Δrating
1standard 251 Asano, Jun'ya (1618) Lost 0-2 -151413
top record: 0-1 new rating: 1413

Grand Prix Chiba 2015 (MM2 limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 2066 Shirayama, Shyuntarou (1500) Lost 1-2 -181482
2sealed 2282 Takeda, Makoto (1482) Lost 1-2 -181464
3sealed 2477 Noda, Toshiaki (1463) Lost 0-2 -181446
4sealed 2430 Plej, Julian (1445) Lost 0-2 -181428
top average opponent: 1472record: 0-4 new rating: 1428