We have a Patreon! Click here to become a patron, or read the blog to learn more!
   
Miwa, Tatsuya
Current rating: 1570

Grand Prix Yokohama 2013 (GTC limited) starting rating: 1411
round table opponent (rating) result Δrating
1sealed 863 Ito, Keigo (1628) Won 2-0 +221433
2sealed 707 Mogi, Hironori (1518) Won 2-1 +191452
3sealed 656 Kimata, Isao (1645) Won 2-1 +221474
4sealed 679 Koshimura, Takeshi (1595) Won 2-0 +201494
5sealed 699 Suzuki, Akiyoshi (1588) Won 2-0 +191513
6sealed 659 Takamura, Ryoma (1587) Lost 1-2 -161497
7sealed 668 Mikami, Kyouhei (1574) Won 2-0 +191516
8sealed 852 Hirayama, Teruaki (1590) Won 2-1 +201536
9sealed 841 Kuribayashi, Tatsunori (1591) Won 2-1 +191555
10sealed 13 Kawasaki, Keita (1636) Lost 1-2 -171538
11sealed 64 Yoshida, Hajime (1617) Lost 1-2 -171521
12draft 57 Saito, Taishi (1565) Won 2-1 +191540
13draft 113 Nagai, Kousuke (1587) Lost 1-2 -171523
14draft 85 Shimizu, Yousuke (1657) Won 2-0 +211544
15draft 34 Ootaki, Takanori (1624) Lost 0-2 -171527
16draft 80 Tsumura, Kenji (1867) Won 2-0 +241551
17draft 46 Fujimoto, Yosuke (1588) Won 2-0 +191570
top average opponent: 1615record: 12-5 new rating: 1570

Grand Prix Yokohama 2012 (modern) starting rating: 1458
round table opponent (rating) result Δrating
1modern 396 Ushie, Yuuta (1744) Lost 1-2 -131445
2modern 487 Yamazaki, Keiji (1482) Lost 0-2 -171428
3modern 640 Matsumoto, Ryousuke (1465) Lost 0-2 -171411
top average opponent: 1564record: 0-3 new rating: 1411

Grand Prix Yokohama 2010 (extended) starting rating: 1512
round table opponent (rating) result Δrating
1extended 195 Moriya, Masaki (1500) Lost 0-2 -181494
2extended 462 Nagaya, Tomohiro (1482) Lost 0-2 -181476
3extended 471 Hirose, Yuuki (1505) Lost 0-2 -181458
top average opponent: 1496record: 0-3 new rating: 1458

Grand Prix Okayama 2008 (ALA limited) starting rating: 1506
round table opponent (rating) result Δrating
1sealed 297 Sasaki, Yuusuke (Hyogo) (1508) Won 0-0 +181524
2sealed 77 Nagaoka, Takayuki (1851) Lost 0-2 -121512
3sealed 143 Nomura, Eiji (1691) Won 2-1 +211533
4sealed 187 Saitou, Kotatsu (1547) Lost 1-2 -181515
5sealed 179 Nakamura, Fumihiko (1482) Won 2-0 +181533
6sealed 168 Samiso, Yutaka (1531) Lost 1-2 -181515
7sealed 81 Tashima, Chihiro (1445) Lost 1-2 -201495
8sealed 82 Hayashi, Masashi (1432) Won 2-0 +171512
top average opponent: 1561record: 4-4 new rating: 1512

Grand Prix Kyoto 2007 (PLC standard) starting rating: 1519
round table opponent (rating) result Δrating
1standard 217 Kobayashi, Yuuta (1500) Won 2-0 +171536
2standard 174 Yao, Shunsuke (1503) Won 2-1 +181554
3standard 77 Kubo, Ryoutarou (1645) Won 2-1 +191573
4standard 82 Mitsuya, Kazuhiko (1841) Won 2-0 +231596
5standard 31 Tominaga, Mario (1625) Won 2-0 +191615
6standard 8 Ikoma, Tomoyuki (1557) Lost 1-2 -191596
7standard 22 Hori, Nobuaki (1570) Lost 1-2 -191577
8standard 68 Kamei, Masataka (1657) Won 2-0 +201597
9standard 33 Honnami, Tomoyuki (1659) Lost 0-2 -171580
10standard 50 Ozaki, Youichirou (1529) Lost 0-2 -191561
11standard 29 Se, Atsuo (1366) Lost 1-2 -221539
12standard 62 Ogata, Shouichirou (1520) Won 2-1 +181557
13standard 18 Minami, Masashi (1672) Lost 1-2 -161541
14standard 26 Nakajima, Tomoya (1629) Lost 1-2 -161525
15standard 55 Koyama, Takahiro (1480) Lost 1-2 -191506
top average opponent: 1584record: 7-8 new rating: 1506

Grand Prix Hiroshima 2006 (CSP limited) starting rating: 1556
round table opponent (rating) result Δrating
1sealed 74 Inoue, Masashi(Okayama) (1464) Won 2-1 +161572
2sealed 57 Miyaoka, Hiroyuki (1478) Lost 1-2 -201552
3sealed 86 Abe, Ryou (1656) Lost 1-2 -161536
4sealed 143 Kaneko, Masanori (1558) Lost 0-2 -171519
top average opponent: 1539record: 1-3 new rating: 1519

Grand Prix Yokohama 2004 (COK limited) starting rating: 1563
round table opponent (rating) result Δrating
1sealed 32 Yokomizo, Gouki (1500) Won 2-1 +171580
2sealed 23 Nishiwaki, Akihito (1500) Draw 1-1 -21578
3sealed 115 Itou, Kouei (1519) Won 2-0 +171595
4sealed 77 Matsuo, Keita (1457) Lost 0-2 -201575
5sealed 141 Igarashi, Daisuke (1522) Lost 1-2 -191556
top average opponent: 1499record: 2-2-1 new rating: 1556

Grand Prix Nagoya 2004 (5DN standard) starting rating: 1591
round table opponent (rating) result Δrating
1standard 76 Ito, Kazuomi (1501) Won 2-0 +161607
2standard 148 Iwata, Futoshi (1500) Won 2-0 +161623
3standard 29 Yoshioka, Hideki (1419) Lost 1-2 -211602
4standard 131 Saito, Kohei (1524) Lost 0-2 -201582
5standard 224 Kuroda, Kentaro (1505) Lost 1-2 -191563
top average opponent: 1490record: 2-3 new rating: 1563

Grand Prix Sendai 2004 (DST limited) starting rating: 1597
round table opponent (rating) result Δrating
1sealed 167 Koyama, Kazuya (1500) Won 2-0 +161613
2sealed 45 Suzuki, Masatsuna (1683) Lost 0-2 -171596
3sealed 114 Ikeda, Akio (1565) Won 2-0 +181614
4sealed 78 Umi, Hirokazu (1520) Won 2-1 +161630
5sealed 37 Takahashi, Junya (1545) Lost 1-2 -201610
6sealed 129 Suganuma, Takeshi (1534) Lost 1-2 -191591
top average opponent: 1558record: 3-3 new rating: 1591

Grand Prix Shizuoka 2003 (MRD limited) starting rating: 1570
round table opponent (rating) result Δrating
2sealed 44 Yamamoto, Akimasa (1638) Won 2-1 +191589
3sealed 93 Nakamura, Keisuke (1661) Won 2-1 +201609
4sealed 45 Satou, Kenji (1533) Won 2-0 +161625
5sealed 29 Tsumura, Kenji (1642) Won 2-0 +191644
6sealed 8 Yamamoto, Kentaro (1609) Lost 0-2 -191625
7sealed 24 Sugiyama, Naohiro (1577) Won 2-1 +171642
8sealed 23 Shiozu, Ryouma (1918) Lost 0-2 -131629
9rochester 30 Orihara, Jun (1652) Won 2-1 +181647
10rochester 12 Tamura, Ryo (1574) Won 2-1 +171664
11rochester 5 Okugawa, Shoji (1702) Lost 0-2 -171647
12rochester 25 Mori, Katsuhiro (1849) Lost 0-2 -151632
13rochester 5 Orihara, Jun (1659) Lost 1-2 -171615
14rochester 15 Miyajima, Yoshitaka (1611) Lost 0-2 -181597
top average opponent: 1664record: 7-6 new rating: 1597

Grand Prix Yokohama 2003 (Onslaught block) starting rating: 1500
round table opponent (rating) result Δrating
1block 108 Suzuki, Masahiro (1480) Won 2-1 +181518
2block 30 Kunugi, Ryou (1482) Lost 0-2 -191499
3block 196 Ohta, Shinji (1440) Lost 1-2 -191480
4block 334 Ueno, Takamasa (1489) Won 2-1 +181498
5block 234 Nikkuni, Fumihito (1524) Won 2-1 +191517
6block 144 Fujihira, Keizou (1509) Won 2-0 +171534
7block 120 Nomura, Hiroshi (1536) Won 2-0 +181552
8block 66 Mochizuki, Yuki (1453) Won 2-0 +171569
9block 34 Miyazaki, Tetsuya (1572) Won 2-1 +181587
10block 30 Takiue, Satoshi (1531) Lost 0-2 -191568
11block 38 Yamadaya, Kohei (1680) Won 2-0 +201588
12block 34 Yokoi, Masaki (1617) Lost 1-2 -181570
13block 57 Goto, Kosuke (1602) Lost 0-2 -171553
14block 61 Ino, Kentaro (1527) Lost 0-2 -191534
15block 67 Taguchi, Hironori (1538) Won 2-1 +181552
16block 53 Mizutani, Naoki (1528) Won 2-0 +181570
top average opponent: 1532record: 10-6 new rating: 1570