We have a Patreon! Click here to become a patron, or read the blog to learn more!
   
Koresko, Jason
Current rating: 1451

Grand Prix Louisville 2017 (legacy) starting rating: 1411
round table opponent (rating) result Δrating
1legacy 548 Trice, Jason (1487) Won 2-1 +191430
2legacy 290 Guy, Curtis A (1571) Won 2-0 +211451
3legacy 488 Buzzie, Daniel (1597) Won 2-0 +211472
4legacy 314 Galli, John (1675) Lost 1-2 -151457
5legacy 558 Martinez, Mario E (1589) Won 2-0 +211478
6legacy 354 Woodworth, Rob (1664) Lost 1-2 -151463
7legacy 551 Geist, Tyler (1544) Lost 0-2 -171446
8legacy 629 McCord, Kristopher (1570) Won 2-0 +211467
9legacy 534 Stoiber, Ryan (1575) Lost 0-2 -161451
top average opponent: 1586record: 5-4 new rating: 1451

Grand Prix Atlantic City 2015 (DTK limited) starting rating: 1424
round table opponent (rating) result Δrating
1sealed 116 Gassaway, Ryan (1569) Won 2-0 +211445
2sealed 57 Rodriguez, Luis (1504) Lost 1-2 -171428
3sealed 472 fredericksen, colin (1499) Lost 0-2 -171411
top average opponent: 1524record: 1-2 new rating: 1411

Grand Prix New Jersey 2014 (legacy) starting rating: 1458
round table opponent (rating) result Δrating
1legacy 937 Byrne, Mike (1454) Won 2-0 +171475
2legacy 787 Jones, Derrick (1601) Lost 1-2 -151460
3legacy 1021 Baker, Tim (1427) Lost 0-2 -191441
4legacy 1268 Norton, Douglas (1483) Lost 1-2 -171424
top average opponent: 1491record: 1-3 new rating: 1424

Grand Prix Orlando 2014 (KTK limited) starting rating: 1497
round table opponent (rating) result Δrating
1sealed 268 Webb, Anthony (1500) Lost 1-2 -181479
2sealed 311 Nyhuis, Daniel (1509) Won 2-1 +191498
3sealed 238 Cherven, Forest (1538) Lost 1-2 -171481
4sealed 382 Livingston, Denise (1187) Lost 1-2 -231458
top average opponent: 1433record: 1-3 new rating: 1458

Grand Prix Philadelphia 2014 (BNG limited) starting rating: 1514
round table opponent (rating) result Δrating
1sealed 95 Jeskie, Aaron (1500) Won 2-1 +181532
2sealed 448 Crocetti, Gene (1515) Lost 1-2 -181514
3sealed 371 Kukla, Nick (1603) Lost 0-2 -171497
top average opponent: 1539record: 1-2 new rating: 1497

Grand Prix Richmond 2014 (modern) starting rating: 1535
round table opponent (rating) result Δrating
1modern 1475 Carlo, Nicholas (1500) Won 2-0 +171552
2modern 1312 Nikiforakis, Steven (1486) Lost 1-2 -191533
3modern 1504 Burrows, Chris [USA] (1488) Lost 0-2 -191514
top average opponent: 1491record: 1-2 new rating: 1514

Grand Prix Philadelphia 2012 (RTR limited) starting rating: 1477
round table opponent (rating) result Δrating
1sealed 702 Montemagni, Christophe (1483) Won 0-0 +181495
2sealed 511[anonymous] Lost 0-2 -181477
3sealed 735 Phillips, Eric (1738) Lost 1-2 -131464
4sealed 887 Tuttle, Richard (1482) Won 2-0 +181482
5sealed 810 Baldwin, Kevin A (1488) Won 2-1 +191501
6sealed 683 Negri, Kazu (1388) Won 2-0 +161517
7sealed 680 Ansell, Christy (1542) Won 2-0 +181535
8sealed 576 Pascal, Brandon (1520) Won 2-1 +181553
9sealed 555 Bui, Andrew (1572) Lost 1-2 -181535
top average opponent: 1524record: 6-3 new rating: 1535

Grand Prix Providence 2011 (legacy) starting rating: 1515
round table opponent (rating) result Δrating
1legacy 25 Fabiani, Pietro (1500) Lost 1-2 -181497
2legacy 171 Joh, Michael (1483) Lost 1-2 -191478
3legacy 230 D., Joseph (1464) Won 2-0 +181496
4legacy 245 Welbes, Josef (1451) Lost 0-2 -191477
top average opponent: 1475record: 1-3 new rating: 1477

Grand Prix Columbus 2010 (legacy) starting rating: 1501
round table opponent (rating) result Δrating
4legacy 411 Wee, Olwen (1455) Won 2-1 +171518
5legacy 430 March, Joey (1578) Won 2-1 +191537
6legacy 403 Lax, Ari (1828) Lost 0-2 -131524
7legacy 436 Thompson, Gerry (1849) Lost 1-2 -121512
8legacy 480 Abendroth, Allen (1569) Lost 1-2 -171495
9legacy 465 Glackin, Ryan (1611) Won 2-0 +201515
top average opponent: 1648record: 3-3 new rating: 1515

Grand Prix Boston 2009 (M10 limited) starting rating: 1554
round table opponent (rating) result Δrating
4sealed 41 Thanakit, Kevin (1555) Lost 1-2 -181536
5sealed 137 Thieringer, Rob (1536) Lost 1-2 -181518
6sealed 164 Muir, Jeremy (1566) Lost 1-2 -171501
top average opponent: 1552record: 0-3 new rating: 1501

Grand Prix Chicago 2009 (legacy) starting rating: 1489
round table opponent (rating) result Δrating
1legacy 25 Haglund, Brendan (1445) Won 2-0 +171506
2legacy 213 Cullen, Joshua R (1518) Won 2-0 +181524
3legacy 184 Walsh, Steve (1481) Lost 0-2 -181506
4legacy 158 Hendershott, Eric (1537) Won 2-0 +181524
5legacy 234 Manestar, Brad (1604) Won 2-1 +201544
6legacy 148 Farrell, Michael K (1640) Won 2-0 +191563
7legacy 20 Yurchick, Adam (1930) Lost 0-2 -111552
8legacy 100 Emmert, Frank L (1572) Lost 0-2 -181534
9legacy 155 Serignese, Paul (1618) Won 2-0 +201554
top average opponent: 1594record: 6-3 new rating: 1554

Grand Prix Philadelphia 2008 (extended) starting rating: 1508
round table opponent (rating) result Δrating
1extended 231 Knight, Michael R (1500) Draw 1-1 -11507
2extended 256 Cimaszewski, Joseph (1501) Won 2-1 +181525
3extended 172 Gelb, Evan (1517) Won 2-1 +181543
4extended 127 Fowler, Zach (1506) Lost 0-2 -191524
5extended 209 Goh, Darwin (1569) Lost 1-2 -171507
6extended 284 Montaruli, Michael D (1499) Lost 1-2 -181489
7extended 266 Camp, Corey (1485) Draw 1-1 01489
top average opponent: 1511record: 2-3-2 new rating: 1489

Grand Prix New Jersey 2006 (TSP limited) starting rating: 1522
round table opponent (rating) result Δrating
1sealed 70 Ford, James D (1500) Lost 0-2 -191503
2sealed 334 King, Jeremy (1541) Lost 1-2 -171486
3sealed 360 Kelly, Patrick (1446) Won 2-0 +171503
4sealed 370 Jordan, Chris (1519) Won 2-1 +191522
5sealed 224 Douglass, Morgan (1732) Lost 0-2 -141508
top average opponent: 1548record: 2-3 new rating: 1508

Grand Prix Boston 2003 (LGN limited) starting rating: 1501
round table opponent (rating) result Δrating
1sealed 60 Micari, Frank (1500) Won 2-0 +181519
2sealed 103 Duncker, Conrad (1534) Lost 1-2 -181501
3sealed 167 Fox, Tom (1483) Won 2-1 +181519
4sealed 107 Stefanides, Harry (1519) Won 2-1 +181537
5sealed 111 Shvartsman, Alex (1619) Lost 0-2 -171520
6sealed 143 Churchill, Michael (1504) Won 2-0 +181538
7sealed 70 Guevin, Peter (1659) Lost 0-2 -161522
8sealed 91 Regnier, Mark (1518) Won 2-1 +181540
9sealed 58 Irvine, David (1524) Lost 1-2 -181522
top average opponent: 1540record: 5-4 new rating: 1522

Grand Prix Philadelphia 2002 (ONS rochester) starting rating: 1500
round table opponent (rating) result Δrating
1sealed 40 Fermenti, Aaron (1420) Won 2-0 +171517
2sealed 15 Wood, Matthew (1522) Lost 0-2 -181499
3sealed 181 Messersmith, Tyler (1484) Won 2-1 +171516
4sealed 155 Bluett, Taerthrum (1650) Lost 0-2 -151501
5sealed 146 Bonney, Jayson (1508) Won 2-0 +181519
6sealed 116 Mullins, Stephen (1519) Lost 1-2 -181501
top average opponent: 1517record: 3-3 new rating: 1501