Koura, Masahiro
Current rating: 1790 (#2507)

Grand Prix Okayama 2004 (extended) starting rating: 1743
round table opponent (rating) result Δrating
3 55 Ueno, Shinichi (1684) Lost 1-2 -191724
4 62 Yamada, Tsutomu (1675) Won 2-0 +171741
5 67 Maruyama, Tomohiro (1698) Won 2-1 +171758
6 25 Yokosuka, Tomohiro (1773) Won 2-1 +191777
7 24 Hirosawa, Yuuta (1668) Won 2-1 +161793
8 10 Takeda, Hiroki (1620) Won 2-1 +151808
9 4 Lee, Sang-Ryeol (1652) Won 2-1 +151823
10 9 Kawamura, Kazushi (1672) Lost 0-2 -211802
11 8 Doi, Asuka (1703) Lost 0-2 -201782
12 17 Tanaka, Hiroki (1549) Lost 1-2 -221760
13 18 Yanagisawa, Tadahiro (1579) Won 2-1 +151775
14 24 Matsumoto, Taiki (1610) Won 2-0 +151790
top average opponent: 1657record: 8-4 new rating: 1790

Grand Prix Yokohama 2003 (Onslaught block) starting rating: 1711
round table opponent (rating) result Δrating
2 136 Umezawa, Shinobu (1529) Won 2-0 +151726
3 123 Nobushita, Jun (1701) Lost 0-2 -191707
4 226 Ota, Yusuke (1517) Won 2-0 +151722
5 48 Fujihira, Taro (1521) Won 2-1 +141736
6 82 Nakajima, Daisuke (1552) Lost 1-2 -211715
7 125 Yoshioka, Yuki (1519) Won 2-1 +141729
8 44 Kouno, Tomohiro (1579) ID 01729
9 72 Adachi, Shingo (1662) Won 2-0 +171746
10 55 Kobayashi, Hiroyuki (1563) Lost 0-2 -211725
11 84 Takaishi, Yuuri (1555) Won 2-0 +151740
12 56 Tanahashi, Masayasu (1572) Won 2-0 +151755
13 37 Ito, Yoshimasa (1611) Won 2-1 +151770
14 22 Eguchi, Sho (1600) Won 2-1 +151785
15 14 Sakai, Yasuki (1648) Lost 0-2 -201765
16 26 Kushibe, Toshiki (1574) Lost 0-2 -221743
top average opponent: 1580record: 9-5-1 new rating: 1743

Grand Prix Kyoto 2003 (LGN limited) starting rating: 1670
round table opponent (rating) result Δrating
4 46 Fujita, Osamu (1800) Lost 0-2 -151655
5 107 Nakamura, Kazuo (1537) Won 2-1 +151670
6 56 Tamura, Ryo (1507) Lost 1-2 -211649
7 74 Ootsuka, Koutarou (1437) Won 2-1 +151664
8 74 Hirota, Yuzo (1564) Won 2-1 +161680
9 24 Arahori, Kazuaki (1689) Won 2-0 +181698
10 23 Shimura, Ichirou (1701) Won 2-0 +181716
11 6 Tsushima, Tomoya (1696) Won 2-0 +181734
12 14 Miyazaki, Hidetaka (1661) Won 2-1 +161750
13 1 Tashiro, Yoshiaki (1723) Lost 1-2 -181732
14 2 Shiwaku, Tsuyoshi (1573) Lost 0-2 -211711
top average opponent: 1626record: 7-4 new rating: 1711

Grand Prix Hiroshima 2003 (extended) starting rating: 1705
round table opponent (rating) result Δrating
2 28 Tanaka, Yoshinori (1494) Lost 1-2 -221683
3 132 Nakai, Kentaro (1500) Lost 0-2 -211662
4 139 Inanaga, Nobuyuki (1484) Won 2-1 +151677
5 100 Nagase, Shougo (1449) Won 2-0 +141691
6 97 Ueno, Shinichi (1550) Lost 1-2 -211670
top average opponent: 1496record: 2-3 new rating: 1670

Grand Prix Utsunomiya 2002 (ONS rochester) starting rating: 1704
round table opponent (rating) result Δrating
2 65 Fukuchi, Takahiro (1656) Won 2-1 +181722
3 38 Orihara, Jun (1536) Draw 1-1 -41718
4 57 Lee, Sang-Ryeol (1523) Lost 0-2 -211697
5 128 Nakamura, Yusuke (1505) Won 2-0 +141711
6 80 Suzuki, Yuuji (1543) Draw 1-1 -31708
7 107 Sakamoto, Kazuya (1543) Won 2-0 +151723
8 136 Shimada, Masatake (1717) Lost 0-2 -181705
top average opponent: 1575record: 3-2-2 new rating: 1705

Grand Prix Fukuoka 2002 (TOR limited) starting rating: 1585
round table opponent (rating) result Δrating
2 47 Komatsu, Toshiaki (1561) Won 2-1 +171602
3 53 Neki, Haruyuki (1480) Won 2-0 +161618
4 18 Shikata, Nobuaki (1556) Lost 1-2 -191599
5 72 Tanaka, Hisaya (1517) Won 2-0 +161615
6 37 Yoo, Sang-oh (1556) Won 2-0 +171632
7 29 Uchida, Momotarou (1530) Won 2-1 +161648
8 12 Kanda, Satoshi (1566) Lost 0-2 -191629
9 22 Murakami, Yuuki (Miyagi) (1694) Won 2-1 +191648
10 10 Tsujimoto, Hideki (1593) Won 2-0 +171665
11 7 Harada, Masahiro (1614) Won 2-0 +171682
12 6 Okamoto, Jin (1920) Won 2-1 +221704
13 4 Ishida, Itaru (1901) ID 01704
top average opponent: 1624record: 9-2-1 new rating: 1704

Grand Prix Kobe 2001 (Invasion block) starting rating: 1561
round table opponent (rating) result Δrating
2 47 Kato, Yukisato (1518) Won 2-0 +171578
3 62 Tominaga, Akira (1536) Won 2-0 +181596
4 41 Fukata, Takamasa (1551) Lost 1-2 -191577
5 217 Nakai, Ryoji (1515) Lost 1-2 -191558
6 291 Okita, Yoichi (1516) Won 2-0 +171575
7 159 Yamaguchi, Teruyuki (1518) Won 2-0 +171592
8 131 Nishibata, Shunsuke (1554) Won 2-1 +171609
9 80 Ishii, Keisuke (1591) Won 2-0 +181627
10 60 Ikeda, Takashi (1590) Lost 1-2 -191608
11 51 Kusaka, Tadateru (1557) Lost 1-2 -191589
12 59 Okugawa, Shoji (1541) Draw 1-1 -11588
13 57 Imura, Kazuo (1505) Won 2-1 +171605
14 46 Imai, Kimio (1559) Lost 1-2 -191586
15 50 Sakashita, Yuichi (1540) Won 2-0 +171603
16 41 Horie, Takashi (1568) Lost 0-2 -181585
top average opponent: 1544record: 8-6-1 new rating: 1585

Grand Prix Hiroshima 2001 (INV limited) starting rating: 1500
round table opponent (rating) result Δrating
1 70 Kamakura, Takahiro (1500) Won 2-0 +181518
2 31 Kiyohara, Yoichi (1518) Won 2-1 +181536
3 20 Ida, Eigo (1536) Won 2-0 +181554
4 37 Onoda, Michihisa (1637) Won 2-0 +201574
5 2 Arita, Ryuichi (1569) Won 2-1 +171591
6 4 Andou, Koutarou (1585) Won 2-0 +181609
7 3 Suzuki, Takaaki (1613) Won 2-0 +181627
8 1 Okada, Kou (1541) Lost 0-2 -191608
9 2 Fujita, Tsuyoshi (1921) Lost 1-2 -131595
10 11 Andou, Koutarou (1592) Lost 1-2 -181577
11 19 Koji, Kazumasa (1623) Lost 1-2 -171560
12 23 Nakamura, Satoshi (1683) Lost 0-2 -161544
13 25 Tanaka, Ittoku (1483) Won 2-1 +171561
top average opponent: 1600record: 8-5 new rating: 1561