Goscinak, David
Current rating: 1686
Record: 38-27
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 178 | Justiniano, Joao (1466) | Won 2-1 | +161562 |
| 2sealed | 50 | Shapiro, Charles (1518) | Won 2-1 | +171579 |
| 3sealed | 22 | Eveland, James (1651) | Lost 1-2 | -161563 |
| 4sealed | 213 | Berger, Maximilien (1445) | Won 2-1 | +151578 |
| 5sealed | 97 | Ruszkowski, Michael (1614) | Won 2-1 | +191597 |
| 6sealed | 196 | Yosmanovich, Peter (1552) | Won 2-0 | +171614 |
| 7sealed | 81 | Cox, Patrick (1931) | Won 2-0 | +241638 |
| 8sealed | 68 | Zhang, Boyang (1602) | Lost 0-2 | -191619 |
| 9sealed | 118 | Bautista, Gino (1539) | Won 2-0 | +171636 |
| 10draft | 129 | Garcia Rosas, Jose Daniel (1855) | Lost 1-2 | -141622 |
| 11draft | 137 | Caudle, Clinton (1742) | Won 2-1 | +201642 |
| 12draft | 106 | Collier-Ridge, Owen (1651) | Won 2-1 | +181660 |
| 13draft | 44 | Van Cleave, Trey (1853) | Won 2-1 | +211681 |
| 14draft | 65 | Gareau, Philippe (1796) | Lost 0-2 | -151666 |
| 15draft | 62 | Abrams, Daniel (1783) | Won 2-0 | +201686 |
| top | average opponent: 1667record: 11-4 | new rating: 1686 | ||
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 63 | Bernier-usereau, Noah (1500) | Lost 1-2 | -191513 |
| 2sealed | 382 | Keenan, Jon (1472) | Won 2-0 | +181531 |
| 3sealed | 379 | Culligan, Michael (1515) | Won 2-0 | +171548 |
| 4sealed | 175 | DeJohn, Chris (1436) | Won 2-0 | +161564 |
| 5sealed | 212 | Hamasoor, Delan (1598) | Won 2-1 | +191583 |
| 6sealed | 48 | Bokaer-Smith, Nathaniel (1553) | Lost 0-2 | -191564 |
| 7sealed | 99 | Verrecchia, Alessandro (1519) | Lost 1-2 | -181546 |
| top | average opponent: 1513record: 4-3 | new rating: 1546 | ||
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 202 | Schneider, Justin (1818) | Won 2-0 | +231585 |
| 3sealed | 46 | Ghiron, Marc (1532) | Lost 0-2 | -191566 |
| 4sealed | 206 | McNaught, Wallace (1518) | Lost 0-2 | -191547 |
| 5sealed | 520 | Blanchet, Eric (1712) | Lost 1-2 | -151532 |
| top | average opponent: 1645record: 1-3 | new rating: 1532 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1632 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 710 | Fett, Hans (1500) | Won 2-0 | +151647 |
| 2modern | 785 | Salveson, Eric G (1507) | Won 2-0 | +161663 |
| 3modern | 777 | Walker, Adam (1545) | Lost 0-2 | -201643 |
| 4modern | 899 | Swartz, Tim (1441) | Lost 1-2 | -221621 |
| 5modern | 1049 | Perron, Tyler (1500) | Lost 1-2 | -201601 |
| 6modern | 1079 | Purcell, Justin (1498) | Lost 1-2 | -201581 |
| 7modern | 1015 | Perrien, Michael (1541) | Lost 0-2 | -191562 |
| top | average opponent: 1505record: 2-5 | new rating: 1562 | ||
| Grand Prix Portland 2013 (modern) | starting rating: 1581 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 226 | Hobuss, Andrew (1500) | Won 2-1 | +161597 |
| 2modern | 36 | Reeve, Samuel (1518) | Won 2-0 | +171614 |
| 3modern | 20 | McAtee, Brian (1545) | Won 2-1 | +171631 |
| 4modern | 46 | Ennis, Antonio (1527) | Lost 1-2 | -201611 |
| 5modern | 163 | Laskin, Lewis (1647) | Won 2-0 | +181629 |
| 6modern | 143 | Blake, Paul (1553) | Won 2-1 | +171646 |
| 7modern | 26 | Guo, Orie (1655) | Lost 0-2 | -181628 |
| 8modern | 84 | Pickett, Alastair (1647) | Won 2-1 | +191647 |
| 9modern | 58 | Woo, Travis (1815) | Lost 1-2 | -151632 |
| top | average opponent: 1601record: 6-3 | new rating: 1632 | ||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 836 | Chapin, Alexandros (1500) | Won 0-0 | +181552 |
| 2sealed | 503 | Papaccio, Anthony (1517) | Lost 1-2 | -191533 |
| 3sealed | 748 | Ludvik, Matt (1501) | Won 2-0 | +171550 |
| 4sealed | 687 | Currie, Matthew (1517) | Lost 0-2 | -181532 |
| 5sealed | 793 | Kelly, Thompson P (1454) | Won 2-0 | +161548 |
| 6sealed | 730 | Alvarez, Lance (1504) | Won 2-1 | +171565 |
| 7sealed | 699 | Shan, Kevin (1534) | Won 2-1 | +181583 |
| 8sealed | 591 | Moneymaker, Nathan (1555) | Won 2-1 | +171600 |
| 9sealed | 538 | Mckeown, Ryan (1519) | Lost 1-2 | -191581 |
| top | average opponent: 1511record: 6-3 | new rating: 1581 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 343 | Dolan, Richard (1500) | Lost 1-2 | -191535 |
| 2sealed | 613 | Norton, Chet (1481) | Won 2-0 | +171552 |
| 3sealed | 466 | Hunt, Justin (1626) | Won 2-1 | +201572 |
| 4sealed | 305 | Blevins, John (1537) | Lost 0-2 | -191553 |
| 5sealed | 585 | Kibbe, Josh (1498) | Lost 0-2 | -191534 |
| top | average opponent: 1528record: 2-3 | new rating: 1534 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 269 | Bilotto, Robert (1558) | Lost 1-2 | -171483 |
| 2standard | 524 | Sherlock, Adam (1482) | Won 2-0 | +181501 |
| 3standard | 588 | Kelly, Frank (1499) | Won 2-1 | +181519 |
| 4standard | 479 | Kovac, Chase (1471) | Lost 0-2 | -191500 |
| 5standard | 589 | Davis, Kaleb (1411) | Won 2-1 | +171517 |
| 6standard | 283 | Zinich, Jeremy (1522) | Won 2-1 | +181535 |
| 7standard | 207 | Lam, Sam (1524) | Won 2-0 | +171552 |
| 8standard | 104 | Wright, Henry (1665) | Won 2-1 | +201572 |
| 9standard | 68 | Brown, Alex (1569) | Lost 0-2 | -181554 |
| top | average opponent: 1522record: 6-3 | new rating: 1554 | ||