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Kozak, Stefan
Current rating: 1658

Grand Prix Bochum 2010 (SOM limited) starting rating: 1690
round table opponent (rating) result Δrating
2sealed 526 Gerber, Matthias (1446) Lost 1-2 -221668
3sealed 759 Tscharner, Beat (1614) Won 2-1 +171685
4sealed 658 Verelst, Jamie (1553) Lost 0-2 -211664
5sealed 729 Klinger, Uwe (1499) Won 2-0 +151679
6sealed 652 Glaser, Steffen (1460) Lost 1-2 -211658
top average opponent: 1514record: 2-3 new rating: 1658

Grand Prix Brussels 2008 (SHM limited) starting rating: 1679
round table opponent (rating) result Δrating
2sealed 41 Jalkanen, Lauri (1466) Lost 1-2 -221657
3sealed 225 Perrache, David (1520) Won 2-1 +161673
4sealed 179 von Beschwitz, Bastian (1571) Won 2-1 +161689
5sealed 124 Snijdewind, Ruben (1712) Won 2-0 +181707
6sealed 92 Van Nieuwenhove, Jan (1551) Won 2-1 +161723
7sealed 45 van Heeswijk, Roel (1909) Lost 1-2 -151708
8sealed 89 Urban, Adam (1720) Lost 0-2 -181690
top average opponent: 1636record: 4-3 new rating: 1690

Grand Prix Dortmund 2006 (GPT limited) starting rating: 1688
round table opponent (rating) result Δrating
1sealed 33 Riebisch, Andreas (1429) Won 2-0 +141702
2sealed 21 Norgaard, Mikkel (1560) Won 2-1 +151717
3sealed 34 Vonderberg, Sven (1675) Lost 1-2 -191698
4sealed 91 Reinderman, Dimitri (1773) Won 2-0 +201718
5sealed 47 Jessen, Johannes (1597) Lost 0-2 -211697
6sealed 87 Salamon, Michal (1685) Lost 1-2 -181679
top average opponent: 1620record: 3-3 new rating: 1679

Grand Prix Eindhoven 2005 (extended) starting rating: 1600
round table opponent (rating) result Δrating
1extended 190 Kammer, Michael (1500) Won 2-0 +161616
2extended 113 Lemaire, Sylvain (1477) Won 2-1 +161632
3extended 136 Sedler, Helge (1495) Won 2-1 +151647
4extended 81 Urban, Adam (1755) Won 2-0 +201667
5extended 1 Robyn, Nick (1573) Draw 1-1 -11666
6extended 30 Scheckenbach, Moritz (1572) Won 2-0 +161682
7extended 15 Roux, Sebastien (1743) Won 2-0 +191701
8extended 7 Cornelissen, Kamiel (2002) Lost 1-2 -131688
top average opponent: 1640record: 6-1-1 new rating: 1688

Pro Tour Nice 2002 (TOR draft) starting rating: 1612
round table opponent (rating) result Δrating
1draft 122 Salem, Gisle (1674) Lost 0-2 -171595
2draft 25 Haigh, Julian (1450) Lost 0-2 -211574
3draft 3 van Leeuwen, Arjan (1857) Lost 1-2 -131561
4draft 112 Wallin, Johnny (1468) Won 2-0 +171578
5draft 111 Galvez, Sergi (1598) Won 2-0 +181596
6draft 61 Evans, Merlyn (1507) Won 2-1 +161612
7draft 84 Witt, Alexander (1933) Lost 1-2 -121600
top average opponent: 1641record: 3-4 new rating: 1600

Grand Prix Antwerp 2002 (TOR limited) starting rating: 1634
round table opponent (rating) result Δrating
2sealed 109 Cedercrantz, Martin (1429) Lost 0-2 -221612
top record: 0-1 new rating: 1612

Grand Prix Heidelberg 2002 (TOR limited) starting rating: 1510
round table opponent (rating) result Δrating
2sealed 123 Nessler, Michael (1573) Won 2-1 +191529
3sealed 25 Tan, Iwan (1752) Won 2-0 +221551
4sealed 43 Schweiger, Martin (1560) Won 2-0 +181569
5sealed 29 Platt, Christoph (1533) Lost 0-2 -181551
6sealed 33 Geweke, Michael (1558) Won 2-1 +181569
7sealed 18 Graefling, Beat (1556) Won 2-0 +171586
8sealed 27 Boeken, Noah (1797) ID 01586
9draft 19 Herold, Jim (1812) Won 2-1 +221608
10draft 24 Kozachuk, Artem (1395) Won 2-1 +151623
11draft 9 Heim, Andreas (1651) Won 2-1 +181641
12draft 27 Sheljasov, Georg (1680) Won 2-0 +191660
13draft 3 Vollebregt, Joost (1966) Lost 0-2 -131647
14draft 8 Benafel, Chris (1889) Lost 1-2 -131634
top average opponent: 1671record: 9-3-1 new rating: 1634

Grand Prix Cologne 2001 (PLS limited) starting rating: 1484
round table opponent (rating) result Δrating
1sealed 183 Meyer, Stephan (1500) Draw 1-1 01484
2sealed 145 Betschart, Peter (1504) Won 2-1 +181502
3sealed 97 Straub, Patrick (1518) Lost 1-2 -171485
4sealed 167 Steiner, Sven (1500) Won 2-0 +181503
5sealed 110 Ammermann, Kai (1519) Won 2-0 +181521
6sealed 74 Barthelmes, Andre (1539) Won 2-0 +191540
7sealed 42 Meilikhov, Michael (1555) Won 2-1 +181558
8sealed 25 Kunzler, Matthias (1426) Won 2-0 +151573
9draft 12 De Wael, Tom (1609) Lost 1-2 -171556
10draft 23 Tramm, Martin (1587) Won 2-0 +191575
11draft 19 Levy, Raphael (1818) Lost 0-2 -141561
12draft 20 Holzweiss, Ralf (1653) Lost 0-2 -161545
13draft 27 Sejdiu, Demir (1496) Lost 0-2 -191526
14draft 28 Yeh, Gottlieb (1640) Lost 1-2 -161510
top average opponent: 1562record: 7-6-1 new rating: 1510

Grand Prix Amsterdam 2001 (INV limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 180 Beenhakker, Martin (1500) Lost 0-2 -181482
2sealed 232 Franz, Beau (1482) Won 2-0 +181500
3sealed 193 Legrand, Hugues (1499) Won 1-0 +181518
4sealed 176 Rothenheueler, Peter (1518) Won 2-0 +181536
5sealed 125 Summersberger, Helmut (1633) Lost 0-2 -161520
6sealed 161 Blontrock, Stijn (1523) Lost 0-1 -181502
7sealed 143 Rocchini, Regis (1499) Lost 0-2 -181484
top average opponent: 1522record: 3-4 new rating: 1484