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Kozak, Jonas
Current rating: 1628

Grand Prix Paris 2014 (legacy) starting rating: 1663
round table opponent (rating) result Δrating
3legacy 559 De Decker, Tom (1504) Lost 1-2 -201643
4legacy 333 Decker, Fabian (1477) Won 2-1 +151658
5legacy 172 Helm, JD (1529) Lost 1-2 -211637
6legacy 395 Warcholik, Manuel (1497) Won 2-1 +161653
7legacy 138 Plimmer, Justin (1537) Won 2-1 +161669
8legacy 191 Petersen, Erland (1525) Lost 1-2 -211648
9legacy 241 Potier, Julien (1561) Lost 0-2 -201628
top average opponent: 1519record: 3-4 new rating: 1628

Grand Prix Prague 2014 (modern) starting rating: 1610
round table opponent (rating) result Δrating
1modern 19 Ruhland, Michael (1500) Won 2-1 +161626
2modern 130 Rohrer, Niki (1447) Won 2-1 +151641
3modern 95 Hohler, Arno (1535) Won 2-1 +161657
4modern 137 Lippi, Alessandro (1662) Won 2-1 +181675
5modern 51 Clark, Nick (1553) Won 2-0 +161691
6modern 2 Koch, Florian (1991) Lost 0-2 -131678
7modern 48 Hensel, Petr (1567) Won 2-0 +161694
8modern 52 Calafell, Joel (1982) Lost 1-2 -121682
9modern 112 Teoh, Yann Lee (1677) Lost 0-2 -191663
top average opponent: 1657record: 6-3 new rating: 1663

Grand Prix Strasbourg 2013 (legacy) starting rating: 1614
round table opponent (rating) result Δrating
4legacy 56 Loncar, Mislav (1500) Won 2-1 +161630
5legacy 50 Brade, Raphael (1829) Won 2-1 +221652
6legacy 15 Lanninger, Christian (1541) Lost 1-2 -201632
7legacy 80 Jorgensen, Rune (1511) Lost 1-2 -201612
8legacy 105 Levy, Samuel (1565) Won 2-0 +171629
9legacy 67 Guenzel, Achim (1608) Lost 0-2 -191610
top average opponent: 1592record: 3-3 new rating: 1610

Grand Prix Amsterdam 2011 (legacy) starting rating: 1629
round table opponent (rating) result Δrating
2legacy 672 Biermann, Patrick (1543) Lost 1-2 -191610
3legacy 886 Dattani, Amar (1518) Lost 0-2 -201590
4legacy 944 Johnsen, John-Martin (1485) Lost 1-2 -201570
5legacy 968 Christensen, Philip (1486) Won 2-1 +171587
6legacy 936 Mabire, Alrik (1481) Won 2-1 +161603
7legacy 841 Lintula, Lauri (1499) Won 2-1 +161619
8legacy 778 Schaffhausen, Jeroen (1483) Lost 0-2 -201599
9legacy 770 Puissant, Benjamin (1483) Won 2-0 +151614
top average opponent: 1497record: 4-4 new rating: 1614

Grand Prix Prague 2011 (NPH limited) starting rating: 1498
round table opponent (rating) result Δrating
2sealed 18 Ngonvorarath, Ekxay (1511) Won 2-1 +181516
3sealed 7 Sele, Yves (1905) Lost 0-2 -111505
4sealed 156 Wijnen, Marc (1747) Lost 1-2 -141491
5sealed 169 Preyer, Thomas (1774) Won 2-1 +231514
6sealed 168 Montagner, Fabio (1548) Won 2-0 +191533
7sealed 94 Wouters, Robin (1459) Won 2-1 +161549
8sealed 59 Harding, Oyvind (1761) Won 2-0 +221571
9sealed 23 Varaksin, Aleksey (1581) Won 2-0 +181589
10draft 42 Dagen, Pierre (1724) Lost 0-2 -151574
11draft 28 Rosenberger, Alexander (1756) Won 2-0 +211595
12draft 62 Gruson, Pierre (1562) Won 2-0 +171612
13draft 24 Kytka, Petr (1574) Lost 1-2 -181594
14draft 38 De Decker, Tom (1550) Won 2-1 +171611
15draft 32 Clemente, Stefano (1647) Won 2-1 +181629
top average opponent: 1650record: 10-4 new rating: 1629

Grand Prix Brussels 2010 (WWK standard) starting rating: 1500
round table opponent (rating) result Δrating
1standard 683 Mazy, Romuald (1483) Won 2-0 +181518
2standard 738 Van Reusel, Brecht (1518) Lost 1-2 -181500
3standard 884 Bron, Dany (1389) Won 2-0 +161516
4standard 838 Cravo, Daniel (1556) Won 2-1 +181534
5standard 685 Lyaruu, Philip Mtenga (1488) Lost 0-2 -181516
6standard 725 Donnat, Jean (1514) Lost 0-2 -181498
top average opponent: 1491record: 3-3 new rating: 1498