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Katou, Takahiko
Current rating: 1484

Grand Prix Kitakyushu 2009 (ZEN limited) starting rating: 1466
round table opponent (rating) result Δrating
2sealed 18 Yanagizawa, Kazutoyo (1382) Won 2-0 +161482
3sealed 50 Shiozu, Ryouma (1853) Won 2-1 +251507
4sealed 63 Takahashi, Keisuke (1550) Lost 0-2 -181489
5sealed 113 Yamashita, Hidetoshi (1675) Lost 1-2 -141475
6sealed 109 Takahashi, Yuta (1933) Won 2-1 +261501
7sealed 71 Sawada, Ken (1573) Lost 0-2 -171484
top average opponent: 1661record: 3-3 new rating: 1484

Grand Prix Okayama 2008 (ALA limited) starting rating: 1468
round table opponent (rating) result Δrating
4sealed 41 Tsumura, Kenji (1896) Lost 0-2 -111457
5sealed 127 Ikeshita, Tooru (1638) Lost 1-2 -151442
6sealed 155 Takenaka, Yuuhi (1527) Won 2-1 +201462
7sealed 37 Tsuruta, Takayuki (1420) Won 2-1 +171479
8sealed 141 Nagashima, Makoto (1741) Lost 1-2 -131466
top average opponent: 1644record: 2-3 new rating: 1466

Grand Prix Kitakyushu 2005 (extended) starting rating: 1538
round table opponent (rating) result Δrating
4extended 37 Okamoto, Jin (1780) Lost 0-2 -141524
5extended 52 Fujimoto, Tatsuya (1537) Won 2-0 +191543
6extended 39 Ishida, Naoyuki (1569) Won 2-1 +181561
7extended 14 Tsumura, Kenji (2128) Lost 0-2 -91552
8extended 27 Motoyama, Kazuhiko (1558) Lost 1-2 -171535
9extended 28 Shirouzono, Kenshi (1496) Lost 0-2 -191516
10extended 31 Osawa, Takuya (1807) Lost 1-2 -131503
11extended 31 Kawakami, Hiroshi (1437) Lost 0-2 -191484
12extended 22 Sutou, Takuo (1588) Lost 0-2 -161468
top average opponent: 1656record: 2-7 new rating: 1468

Grand Prix Matsuyama 2005 (BOK limited) starting rating: 1482
round table opponent (rating) result Δrating
4sealed 21 Ootsuka, Koutarou (1738) Lost 1-2 -131469
5sealed 38 Hisaki, Yuu (1529) Won 2-1 +191488
6sealed 30 Ishida, Yuuichi (1617) Lost 0-2 -161472
7sealed 47 Yorita, Masashi (1526) Won 2-1 +191491
8sealed 55 Sasagawa, Tomohide (1778) Won 2-0 +241515
9draft 31 Ruel, Olivier (2093) Lost 1-2 -91506
10draft 29 Ishikawa, Masayo (1551) Lost 1-2 -171489
11draft 29 Imai, Ryouta (1667) Won 2-1 +211510
12draft 10 Kudo, Koichi (1595) Won 2-1 +201530
13draft 13 Okada, Wataru (1703) Lost 1-2 -151515
14draft 6 Chai, Royce Ming Huang (1812) Won 2-0 +231538
top average opponent: 1692record: 6-5 new rating: 1538

Grand Prix Okayama 2004 (extended) starting rating: 1500
round table opponent (rating) result Δrating
1extended 62 Moriya, Jun (1500) Won 2-0 +181518
2extended 91 Goto, Kiyoaki (1580) Won 2-0 +191537
3extended 22 Ikeda, Yasuhiro (1535) Lost 0-2 -181519
4extended 119 Kishishita, Kunihiko (1435) Lost 0-2 -191500
5extended 140 Harada, Daisaku (1551) Lost 1-2 -181482
top average opponent: 1520record: 2-3 new rating: 1482