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Piwiec, Jacek
Current rating: 1574

Grand Prix Prague 2017 (AER limited) starting rating: 1626
round table opponent (rating) result Δrating
1sealed 287 Grosse-Stoltenberg, Markus (1497) Won 2-1 +161642
2sealed 422 Vantuch, Matej (1894) Lost 0-2 -141628
3sealed 808 Schipkowski, Jan (1630) Lost 1-2 -181610
4sealed 687 Posolda, Ondrej (1788) Lost 1-2 -151595
5sealed 834 Venturi, Raul (1417) Lost 0-2 -211574
top average opponent: 1645record: 1-4 new rating: 1574

Grand Prix Warsaw 2016 (KLD standard) starting rating: 1552
round table opponent (rating) result Δrating
1standard 10 Nikov, Martin (1597) Won 2-0 +191571
2standard 36 Dima, Enrik (1465) Won 2-0 +161587
3standard 151 Ciesielski, Kamil (1471) Won 2-1 +161603
4standard 56 Lansdale, Tim (1590) Won 2-1 +181621
5standard 49 Llinares, Leo (1573) Lost 0-2 -191602
6standard 130 Verbeken, Dirk (1726) Won 2-0 +201622
7standard 96 Myszkowiak, Maciej (1727) Won 2-1 +201642
8standard 22 Abou Omar, Ashraf (1883) Won 2-1 +231665
9standard 15 Perez, Ruben (1947) Lost 0-2 -131652
10standard 70 Glogowski, Piotr (1818) Won 2-0 +211673
11standard 16 Martini, Stephane-Jean (1543) Lost 1-2 -211652
12standard 70 Owen, Archibald (1682) Lost 0-2 -171635
13standard 79 Reiter, Florian (1785) Lost 0-2 -151620
14standard 112 Magni, Luca (1849) Lost 0-2 -141606
15standard 122 Bains, Steve (1736) Won 2-0 +201626
top average opponent: 1693record: 9-6 new rating: 1626

Grand Prix Krakow 2015 (DTK standard) starting rating: 1593
round table opponent (rating) result Δrating
1standard 271 Janusz, Drzal (1500) Lost 1-2 -201573
2standard 283 Stone, Yonathan (1616) Lost 1-2 -171556
3standard 521 Czarnik, Michal 2208 (1463) Won 2-1 +161572
4standard 469 Panigada, Igor (1475) Lost 0-2 -201552
top average opponent: 1513record: 1-3 new rating: 1552

Grand Prix Warsaw 2014 (JOU limited) starting rating: 1601
round table opponent (rating) result Δrating
1sealed 14 Duggan, Matthew [ENG] (1500) Won 2-1 +161617
2sealed 101 Jathe, Nicolas (1711) Lost 1-2 -171600
3sealed 234 Pinkwart, Wiktor (1468) Won 2-0 +161616
4sealed 230 Blieck, Benny (1548) Won 2-0 +171633
5sealed 185 Halouska, Matej (1623) Lost 1-2 -181615
6sealed 241 Knap, Cestmir (1403) Lost 0-2 -221593
top average opponent: 1542record: 3-3 new rating: 1593

Grand Prix Vienna 2014 (BNG limited) starting rating: 1541
round table opponent (rating) result Δrating
1sealed 329 Alexandersson, Bjarki (1456) Won 2-1 +161557
2sealed 119 Garmroudi, Fabian (1583) Won 2-0 +191576
3sealed 137 Koubek, Vojtech (1542) Won 2-0 +171593
4sealed 25 Dagen, Pierre (1921) Won 2-1 +241617
5sealed 3 Lantto, Magnus (1659) Lost 0-2 -171600
6sealed 116 Loeffen, Daan (1568) Lost 1-2 -191581
7sealed 113 Vanek, Tomas (1795) Lost 0-2 -141567
8sealed 251 Dzino, Paul (1515) Won 2-0 +171584
9sealed 148 Yurochko, Nikita (1515) Won 2-1 +171601
top average opponent: 1617record: 6-3 new rating: 1601

Grand Prix Warsaw 2013 (M14 standard) starting rating: 1460
round table opponent (rating) result Δrating
2standard 192 Gustavsson, Gustav (1591) Won 2-1 +201480
3standard 62 Eriksson, Lars (1475) Won 2-1 +181498
4standard 37 Nolan, Bevan (1521) Won 2-1 +181516
5standard 42 Huber, Gabriel (1562) Won 2-1 +191535
6standard 3 Chovanec, Jakub (1484) Won 2-1 +171552
7standard 175 Eriksson, Niklas (1814) Won 2-1 +231575
8standard 9 Ramquist, Niklas (1681) Lost 0-2 -161559
9standard 19 Matych, Adrian (1602) Lost 0-2 -171542
10standard 80 Kuzmichev, Andrew (1582) Draw 1-1 01542
11standard 53 Pichon, Elie (1837) Lost 0-2 -121530
12standard 68 Gobern, Luis (1621) Lost 1-2 -171513
13standard 75 Rosenfjeld, Soren (1550) Won 2-0 +191532
14standard 61 Szoke, Zoltan (1806) Won 2-1 +231555
15standard 48 Bingen, Sturla (1772) Lost 0-2 -141541
top average opponent: 1636record: 8-5-1 new rating: 1541

Grand Prix London 2013 (GTC limited) starting rating: 1430
round table opponent (rating) result Δrating
1sealed 258 Davidson, Callum (1500) Won 2-0 +191449
2sealed 165 Edet, Johan (1444) Won 2-0 +181467
3sealed 74 Johnson, Daniel [ENG] (1535) Won 2-1 +191486
4sealed 239 Hiroux, Benoit (1500) Lost 0-2 -181468
5sealed 160 Harland, George (1537) Won 2-0 +201488
6sealed 228 Aurejac, Alexandre (1791) Lost 0-2 -131475
7sealed 366 Cheshire, Stuart (1535) Won 2-0 +191494
8sealed 238 Calzetta, Alessio (1528) Lost 1-2 -171477
9sealed 277 Fermani, Marco (1528) Lost 1-2 -171460
top average opponent: 1544record: 5-4 new rating: 1460

Grand Prix Malmo 2012 (AVR limited) starting rating: 1482
round table opponent (rating) result Δrating
1sealed 617 Furby, Mats (1570) Lost 0-2 -171465
2sealed 660 Andersson, Emil (1482) Lost 0-2 -171448
3sealed 690 Risan, Geir Morten (1471) Lost 0-2 -181430
4sealed 712 Blomqvist, Carl-henrik (1446) Won 2-1 +181448
5sealed 690 Schwenke, Steph (1490) Lost 0-2 -171431
6sealed 676 Wahlquist, Alex (1443) Won 2-0 +181449
7sealed 637 Linden, Anders (1459) Won 2-1 +181467
8sealed 613 Falger, Andrew (1294) Lost 1-2 -211446
9sealed 598 Giacomelli, Franco (1515) Lost 1-2 -161430
top average opponent: 1463record: 3-6 new rating: 1430

Grand Prix Milan 2011 (ISD limited) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 167 Sghedoni, Luca (1422) Won 2-0 +171517
2sealed 37 Kaasik, Mikk (1518) Lost 0-2 -181499
3sealed 150 Ellwanger, Antje (1469) Won 2-1 +171516
4sealed 274 Sarri, Luca (1536) Lost 0-2 -181498
5sealed 306 Newbold, George (1507) Lost 1-2 -171481
6sealed 271 Baroni, Stefano (1482) Lost 0-2 -181463
7sealed 269 Searles, James (1519) Won 2-1 +191482
top average opponent: 1493record: 3-4 new rating: 1482