Countryman, Joseph
Current rating: 1561
Record: 42-39-4
Grand Prix Montreal 2007Grand Prix Philadelphia 2008Grand Prix Boston 2009Grand Prix Philadelphia 2014Grand Prix Boston-Worcester 2014Grand Prix Atlantic City 2015Grand Prix New York 2016Grand Prix Providence 2016Grand Prix Washington DC 2017Grand Prix New Jersey 2017 (lim)Grand Prix New Jersey 2018Grand Prix New Jersey 2019
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 252 | Presti, Ryan (1411) | Won 2-1 | +151574 |
| 3sealed | 99 | Adamski, Jim (1490) | Won 2-1 | +171591 |
| 4sealed | 50 | Paykar, Ashkan (1731) | Lost 1-2 | -161575 |
| 5sealed | 133 | Cochran, Hunter (1989) | Lost 1-2 | -111564 |
| 6sealed | 320 | Wong, Michael (1458) | Won 2-1 | +161580 |
| 7sealed | 274 | Malcomson, Blane (1499) | Lost 0-2 | -191561 |
| top | average opponent: 1596record: 3-3 | new rating: 1561 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1619 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 56 | Rivera, Terrence (1518) | Lost 0-2 | -201599 |
| 3standard | 326 | Radaszkiewicz, Michael (1523) | Lost 1-2 | -201579 |
| 4standard | 509 | Sherman, Justin (1437) | Lost 0-2 | -201559 |
| top | average opponent: 1493record: 0-3 | new rating: 1559 | ||
| Grand Prix New Jersey 2017 (lim) (XLN limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 47 | Lebedowicz, Osyp (1786) | Lost 1-2 | -141501 |
| 3sealed | 454 | Mitchell, Ryan (1389) | Won 2-0 | +161517 |
| 4sealed | 297 | Pruitt, Travoy (1520) | Lost 1-2 | -181499 |
| 5sealed | 328 | Ogier, James (1682) | Won 2-1 | +221521 |
| 6sealed | 303 | Seder, Robert (1769) | Won 2-1 | +221543 |
| 7sealed | 168 | Cooper, Russell (1705) | Won 2-1 | +211564 |
| 8sealed | 154 | Edelman, Charles (1700) | Won 2-0 | +201584 |
| 9sealed | 112 | Johnson, Courtney (1599) | Won 2-0 | +191603 |
| 10draft | 140 | Benns, Brian (1885) | Won 2-1 | +231626 |
| 11draft | 167 | Della Grotte, Kevin (1543) | Won 2-0 | +161642 |
| 12draft | 88 | Thanakit, Kevin (1774) | Lost 1-2 | -151627 |
| 13draft | 47 | Yu, Jarvis (2009) | Lost 1-2 | -121615 |
| 14draft | 11 | Rawlings, Peter (1828) | Won 2-0 | +221637 |
| 15draft | 40 | Jabs, Andrew (1606) | Lost 0-2 | -181619 |
| top | average opponent: 1700record: 9-5 | new rating: 1619 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 187 | Rocus, Andy (1531) | Won 2-1 | +191536 |
| 3standard | 160 | Bowman, Jeremy (1716) | Lost 1-2 | -151521 |
| 4standard | 424 | Wong, Matthew (1706) | Won 2-1 | +211542 |
| 5standard | 119 | Davis, Albert (1513) | Lost 1-2 | -181524 |
| 6standard | 261 | Wood, Zachary (1460) | Won 2-1 | +161540 |
| 7standard | 209 | Zug, Kiersten (1515) | Won 2-1 | +181558 |
| 8standard | 175 | Norton, Daniel (1667) | Won 2-0 | +201578 |
| 9standard | 107 | Tomajko, Oliver (1894) | Lost 1-2 | -121566 |
| 10standard | 179 | Liberati, Bernard (1588) | Lost 1-2 | -181548 |
| 11standard | 212 | Lewis, Dylan (1536) | Won 2-1 | +181566 |
| 12standard | 166 | Majlaton, Alex (1892) | Lost 0-2 | -131553 |
| 13standard | 170 | Monico, Riccardo (1576) | Lost 1-2 | -171536 |
| 14standard | 174 | Wakefield, Lindsay (1348) | Lost 0-2 | -211515 |
| top | average opponent: 1611record: 6-7 | new rating: 1515 | ||
| Grand Prix Providence 2016 (KLD standard) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 166 | Shane, Kyle (1676) | Lost 1-2 | -161558 |
| 3standard | 355 | McKinney, Adam (1461) | Lost 1-2 | -201538 |
| 4standard | 491 | Grimes, Zachary (1399) | Lost 1-2 | -211517 |
| top | average opponent: 1512record: 0-3 | new rating: 1517 | ||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 316 | Fain, Jeremy (1454) | Lost 1-2 | -211595 |
| 3standard | 754 | Hastings, Stephen (1539) | Lost 1-2 | -191576 |
| 4standard | 783 | Gonnelly, Nicholas (1467) | Won 2-1 | +161592 |
| 5standard | 722 | Dolan, Brian (1579) | Lost 0-2 | -181574 |
| top | average opponent: 1510record: 1-3 | new rating: 1574 | ||
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1605 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 63 | Parks, Ian (1553) | Lost 1-2 | -191586 |
| 2sealed | 423 | Wilk, Marissa (1483) | Won 2-0 | +161602 |
| 3sealed | 453 | Morton, Kevin (1512) | Won 2-1 | +161618 |
| 4sealed | 298 | Orts, Zachary (1572) | Won 2-0 | +181636 |
| 5sealed | 250 | Joswick, Tyler (1541) | Lost 1-2 | -201616 |
| top | average opponent: 1532record: 3-2 | new rating: 1616 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1614 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 808 | Starbird, Zachary (1518) | Lost 1-2 | -201594 |
| 3modern | 1077 | Long, Drake (1483) | Lost 1-2 | -201574 |
| 4modern | 1173 | Fortin, Andrew (1481) | Won 2-0 | +161590 |
| 5modern | 1024 | Seifried, David (1500) | Won 2-1 | +171607 |
| 6modern | 899 | Rice, Forrest (1502) | Won 2-1 | +161623 |
| 7modern | 825 | Casselman, Jeffrey (1625) | Lost 1-2 | -181605 |
| top | average opponent: 1518record: 3-3 | new rating: 1605 | ||
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 197 | Zhang, George (1500) | Won 2-1 | +161623 |
| 2sealed | 457 | Young, Brett (1496) | Won 2-1 | +161639 |
| 3sealed | 218 | Johnson, Ethan (1571) | Lost 0-2 | -191620 |
| 4sealed | 390 | Donaldson, Mark (1484) | Won 2-0 | +151635 |
| 5sealed | 323 | Hohwald, Daniel (1537) | Lost 1-2 | -191616 |
| 6sealed | 321 | Barlieb, Nicholas (1542) | Won 2-0 | +161632 |
| 7sealed | 193 | Cheney, Colin (1612) | Lost 1-2 | -181614 |
| top | average opponent: 1535record: 4-3 | new rating: 1614 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1631 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 523 | Cooney, Aaron (1518) | Won 2-0 | +161647 |
| 3sealed | 444 | Bousquet, Eric J (1536) | Lost 0-2 | -201627 |
| 4sealed | 527 | Istfan, Raeef (1520) | Lost 1-2 | -201607 |
| top | average opponent: 1525record: 1-2 | new rating: 1607 | ||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 280 | Hilley, Dennis (1500) | Won 2-1 | +171578 |
| 2extended | 81 | Bledsoe, Doyle (1544) | Won 2-1 | +171595 |
| 3extended | 101 | Henahan, Sean m (1539) | Won 2-0 | +171612 |
| 4extended | 102 | Lieberman, Alex (1944) | Won 2-1 | +241636 |
| 5extended | 38 | Fabiano, Gerard (1660) | Draw 1-1 | 01636 |
| 6extended | 29 | Powell, Zeilend (1495) | Won 2-0 | +161652 |
| 7extended | 13 | Imperiale, Jason (1856) | Draw 1-1 | +41656 |
| 8extended | 42 | Price, David (1756) | Won 2-1 | +191675 |
| 9extended | 24 | Edel, Willy (1806) | ID | 01675 |
| 10extended | 35 | Drebsky, David (1591) | Draw 1-1 | -11674 |
| 11extended | 36 | Sukenik, Jonathan (1555) | Draw 1-1 | -21672 |
| 12extended | 47 | Liberati, Anthony W (1588) | Lost 0-2 | -201652 |
| 13extended | 54 | Rodriguez, Juan C (1493) | Lost 0-2 | -211631 |
| top | average opponent: 1641record: 6-2-5 | new rating: 1631 | ||
| Grand Prix Montreal 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 32 | Pettengill, Morgan (1500) | Won 2-0 | +181518 |
| 2block | 73 | Leon Valencia, Francisco (1550) | Lost 0-2 | -171501 |
| 3block | 179 | Smith, Oswell S (1536) | Won 2-0 | +181519 |
| 4block | 192 | Diminie, Josh (1518) | Won 2-0 | +181537 |
| 5block | 96 | Cape, Phil (1707) | Won 2-1 | +211558 |
| 6block | 82 | Sibast, Rasmus (1757) | Lost 0-2 | -141544 |
| 7block | 103 | Bailie, Scott H (1522) | Won 2-0 | +171561 |
| 8block | 74 | Phelon, Tom (1565) | Lost 0-0 | -171544 |
| 9block | 88 | Li, Chester (1515) | Won 0-0 | +171561 |
| top | average opponent: 1574record: 6-3 | new rating: 1561 | ||