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Koseki, Yuuji
Current rating: 1454

Grand Prix Kobe 2017 (modern) starting rating: 1464
round table opponent (rating) result Δrating
2modern 158 Sato, Kazuhito (1451) Won 2-1 +181482
3modern 393 Mclean, Xavier (1535) Lost 0-2 -171465
4modern 487 Yabuta, Junichi (1742) Won 2-1 +231488
5modern 547 Tsuda, Tomohiro (1633) Lost 1-2 -161472
6modern 674 Watanabe, Yuuki (1426) Lost 0-2 -191453
7modern 774 Lauricella, John (1488) Won 2-1 +191472
8modern 708 Yoshikawa, Takuma (1472) Lost 1-2 -181454
top average opponent: 1535record: 3-4 new rating: 1454

Grand Prix Chiba 2016 (legacy) starting rating: 1516
round table opponent (rating) result Δrating
2legacy 222 Nishiyama, Shinosuke (1471) Lost 1-2 -191497
3legacy 933 Ookawa, Yuusuke (1575) Lost 1-2 -171480
4legacy 976 Ishida, Ryouhei (1559) Lost 1-2 -161464
5legacy 1085 Yamamura, Yuki (1472) Won 2-1 +181482
6legacy 817 Sakamoto, Satoshi (1476) Lost 1-2 -181464
top average opponent: 1510record: 1-4 new rating: 1464

Grand Prix Tokyo 2016 (SOI standard) starting rating: 1571
round table opponent (rating) result Δrating
2standard 433 Ieda, Toma (1592) Won 2-1 +191590
3standard 204 Nakajima, Chikara (1777) Lost 0-2 -151575
4standard 488 Ohba, Hiroshi (1519) Lost 0-2 -191556
5standard 933 Tanaka, Tomonori (1353) Lost 1-2 -221534
6standard 1177 Yamaguchi, Hiroshi (Niigata) (1507) Lost 0-2 -181516
top average opponent: 1550record: 1-4 new rating: 1516

Grand Prix Nagoya 2016 (OGW limited) starting rating: 1581
round table opponent (rating) result Δrating
1sealed 677 Takagi, Kenji (1465) Won 2-0 +161597
2sealed 467 Fujii, Takashi2978 (1518) Won 2-0 +171614
3sealed 17 Ito, Kazuma (1553) Won 2-0 +171631
4sealed 44 Fukuda, Tatsuya (1579) Won 2-1 +171648
5sealed 84 Shiraishi, Ryou (1690) Lost 0-2 -181630
6sealed 277 Kiyonaga, Sho (1658) Lost 1-2 -171613
7sealed 505 Yamada, Yasuo (1405) Lost 0-2 -221591
8sealed 669 Oono, Koutarou (1480) Lost 0-2 -201571
top average opponent: 1544record: 4-4 new rating: 1571

Grand Prix Shizuoka 2015 (KTK limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 805 Watanabe, Yuichiro (1500) Won 2-0 +181518
2sealed 848 Nishikawa, Haruyoshi (1460) Won 2-0 +171535
3sealed 684 Furuichi, Takenori (1603) Lost 0-2 -171518
4sealed 819 Miyamoto, Akihiro (1514) Won 2-0 +181536
5sealed 667 Nakatani, Hiroki (1474) Won 2-1 +171553
6sealed 640 Mihara, Makihito (2042) Won 2-1 +261579
7sealed 662 Matsushita, Shintaro (1606) Won 2-0 +191598
8sealed 646 Furuse, Noriaki (1570) Won 2-1 +171615
9sealed 610 Katagiri, Kazushi (1612) Won 2-1 +181633
10draft 72 Nakano, Shinji (1616) Lost 1-2 -181615
11draft 42 Ichige, Masato (1628) Lost 1-2 -181597
13draft 81 Sakai, Ryou (1578) Lost 0-2 -181579
14draft 91 Shiraishi, Masaharu (1700) Lost 1-2 -161563
15draft 87 Mituyasu, Yuki (1583) Won 2-1 +181581
top average opponent: 1606record: 9-5 new rating: 1581