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Sakuma, Hiroshi
Current rating: 1547

Grand Prix Sendai 2010 (ROE standard) starting rating: 1547
round table opponent (rating) result Δrating
1standard 95 Kobayashi, Satoshi (1507) Won 2-1 +181565
2standard 91 Saito, Atsushi (1441) Won 2-1 +151580
3standard 101 Kikutani, Kou (1537) Lost 0-2 -181562
4standard 258 Tanaka, Yu (1546) Won 2-0 +171579
5standard 75 Fujita, Tsuyoshi (1591) Lost 1-2 -171562
6standard 190 Hirata, Daigo (1518) Draw 1-1 -11561
7standard 203 Hirabayashi, Kazuya (1812) Lost 0-2 -141547
top average opponent: 1565record: 3-3-1 new rating: 1547

Grand Prix Niigata 2009 (M10 limited) starting rating: 1540
round table opponent (rating) result Δrating
1sealed 5 Baba, Yoshinao (1500) Won 2-0 +171557
2sealed 110 Washimi, Kazuo (1540) Won 2-1 +181575
3sealed 93 Hosaka, Atsushi (1660) Won 2-1 +201595
4sealed 69 Tsuboyama, Shuta (1510) Won 2-0 +161611
5sealed 30 Kimura, Takuto (1555) Won 2-1 +171628
6sealed 17 Hagiwara, Genta (1576) Lost 0-2 -191609
7sealed 23 Endou, Yuusuke (1751) Won 2-1 +211630
8sealed 24 Takagi, Yui (1724) Lost 1-2 -171613
9sealed 53 Iwasaki, Yuusuke (1776) Won 2-1 +211634
10draft 5 Masuno, Ryosuke (1814) Lost 0-2 -141620
11draft 17 Kaida, Hiroshi (1599) Lost 0-2 -191601
12draft 20 Nuruki, Hiroaki (1603) Lost 1-2 -181583
13draft 4 Sugiyama, Kenji (1548) Lost 0-2 -181565
14draft 25 Ozawa, Takeshi (1616) Lost 0-2 -181547
top average opponent: 1627record: 7-7 new rating: 1547

Grand Prix Kyoto 2007 (PLC standard) starting rating: 1500
round table opponent (rating) result Δrating
1standard 238 Yasuda, Masayuki (1500) Lost 0-1 -181482
2standard 249 Nakao, Munenari (1503) Lost 0-2 -181464
3standard 352 Satou, Yoshikazu (1409) Won 2-0 +171481
4standard 276 Yamagami, Yoshikazu (1485) Draw 1-1 01481
5standard 304 Takeda, Koji (1480) Won 2-0 +181499
6standard 235 Sugimoto, Yuuki (1502) Won 2-1 +181517
7standard 170 Hinohara, Toyokazu (1522) Won 2-0 +191536
8standard 116 Matsumoto, Fumiya (1577) Won 2-0 +181554
9standard 81 Nakano, Hiroaki (1559) Won 2-0 +181572
10standard 2 Ooshima, Junji (1577) Lost 1-2 -181554
11standard 15 Hirabayashi, Kazuya (1749) Lost 1-2 -141540
top average opponent: 1533record: 6-4-1 new rating: 1540