Parker, Gregory
Current rating: 1685
Record: 73-50-2
Grand Prix Washington DC 2010Grand Prix Montreal 2011Grand Prix Charlotte 2013Grand Prix Pittsburgh 2013Grand Prix Montreal 2014Grand Prix Atlanta 2014Grand Prix Salt Lake City 2014Grand Prix Orlando 2014Grand Prix Baltimore 2014Grand Prix Cleveland 2015Grand Prix Indianapolis 2015Grand Prix Atlanta 2015Grand Prix Pittsburgh 2017Grand Prix Richmond 2017
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1739 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 15 | Loeffler, Darren (1500) | Lost 1-2 | -231716 |
| 2sealed | 483 | Scannell, Kevin (1464) | Won 2-1 | +141730 |
| 3sealed | 531 | Bayog, Francis (1430) | Lost 1-2 | -241706 |
| 4sealed | 637 | Kando, Anthony (1486) | Lost 0-2 | -211685 |
| top | average opponent: 1470record: 1-3 | new rating: 1685 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1798 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 228 | Kelley, Chad (1419) | Lost 1-2 | -251773 |
| 2standard | 323 | Shreffler, Jj (1482) | Won 2-1 | +131786 |
| 3standard | 463 | Strahler, Ralph (1464) | Won 2-1 | +121798 |
| 4standard | 303 | Setree, Cody (1493) | Lost 1-2 | -231775 |
| 5standard | 478 | Labuda, Lucas (1675) | Lost 1-2 | -201755 |
| 6standard | 555 | Scherer, Caleb (1832) | Lost 1-2 | -161739 |
| top | average opponent: 1561record: 2-4 | new rating: 1739 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1812 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 291 | Morgan, Trevyn (1533) | Lost 0-2 | -231789 |
| 2sealed | 583 | Talebi, Touran (1429) | Won 2-0 | +121801 |
| 3sealed | 754 | Ewing, Charlie (1499) | Won 2-0 | +121813 |
| 4sealed | 361 | Mienzenger, Mike (1350) | Won 2-1 | +111824 |
| 5sealed | 375 | Schibanoff, Justin (1603) | Won 2-0 | +141838 |
| 6sealed | 266 | Sadler, Eli (1556) | Won 2-0 | +131851 |
| 7sealed | 76 | Bass, Nathaniel (1538) | Lost 1-2 | -241827 |
| 8sealed | 279 | Tobin, Conor (1676) | Won 2-1 | +151842 |
| 9sealed | 156 | Bedsole, Hayden (1682) | Won 2-1 | +151857 |
| 10draft | 79 | Yeem, Soohwang (1896) | Lost 1-2 | -171840 |
| 11draft | 29 | Garmon, Daniel (1738) | Lost 0-2 | -201820 |
| 13draft | 27 | Bridges, Travis (1574) | Lost 1-2 | -221798 |
| top | average opponent: 1589record: 7-5 | new rating: 1798 | ||
| Grand Prix Indianapolis 2015 (BFZ standard) | starting rating: 1842 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Bell, Kirt (1445) | Won 2-1 | +111853 |
| 2standard | 239 | Keehner, Matthew (1520) | Draw 1-1 | -61847 |
| 3standard | 240 | Eckert, Jacob (1461) | Lost 1-2 | -241823 |
| 4standard | 353 | Roth, Christopher (1542) | Won 2-1 | +131836 |
| 5standard | 246 | Johnson, Jamie (1517) | Lost 1-2 | -241812 |
| top | average opponent: 1497record: 2-2-1 | new rating: 1812 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1866 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 154 | Tandy, Rob (1500) | Won 2-0 | +121878 |
| 2sealed | 160 | Wilton, Brandon (1517) | Won 2-0 | +121890 |
| 3sealed | 187 | Devine, Jimmy (1536) | Lost 1-2 | -251865 |
| 4sealed | 436 | Johnson, Peter (1567) | Lost 0-2 | -231842 |
| top | average opponent: 1530record: 2-2 | new rating: 1842 | ||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1787 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 280 | Knudstrup, Aske (1500) | Won 2-0 | +131800 |
| 2sealed | 11 | Van, Antonia (1520) | Won 2-0 | +131813 |
| 3sealed | 206 | Moss, Justin (1518) | Won 2-0 | +131826 |
| 4sealed | 16 | Nagy, Stephen (1671) | Won 2-0 | +151841 |
| 5sealed | 18 | Lax, Ari (2165) | Lost 0-2 | -121829 |
| 6sealed | 135 | Song, Jungin (1469) | Won 2-1 | +121841 |
| 7sealed | 29 | Mondon, Pierre (1998) | Won 2-1 | +211862 |
| 8sealed | 56 | Mylchreest, Spencer (1525) | Won 2-1 | +121874 |
| 9sealed | 10 | Batterden, James (1625) | Lost 0-2 | -231851 |
| 10draft | 68 | Diliberto, Mario (1727) | Lost 0-2 | -201831 |
| 11draft | 62 | McPhail, Daniel (1677) | Won 2-1 | +151846 |
| 12draft | 52 | Stiles, Kevin (1540) | Lost 1-2 | -231823 |
| 13draft | 18 | Bundens, Justin (1784) | Won 2-1 | +171840 |
| 14draft | 27 | Llodra, Juan Pablo (1533) | Won 2-1 | +131853 |
| 15draft | 18 | Wicht, Jordan (1608) | Won 2-0 | +131866 |
| top | average opponent: 1657record: 11-4 | new rating: 1866 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1707 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 69 | Lux, Michael (1516) | Lost 0-2 | -221685 |
| 2sealed | 400 | Domescek, Timothy (1481) | Won 2-1 | +151700 |
| 3sealed | 409 | Irigoy, Jennifer (1500) | Won 2-1 | +141714 |
| 4sealed | 306 | Bushee, Marc (1447) | Won 2-1 | +131727 |
| 5sealed | 191 | Knowlen, Sean (1545) | Lost 0-2 | -211706 |
| 6sealed | 244 | Dowst, Mark (1516) | Won 2-0 | +151721 |
| 7sealed | 172 | Lozano, Diego (1453) | Won 2-0 | +131734 |
| 8sealed | 92 | Ortiz, Lance (1500) | Won 2-0 | +141748 |
| 9sealed | 76 | Garrison, Joseph (1570) | Won 2-1 | +141762 |
| 10draft | 78 | Barnard, Ryeland (1619) | Lost 0-2 | -201742 |
| 11draft | 7 | Arayasolano, Jovan (1569) | Won 2-1 | +151757 |
| 12draft | 74 | Lambeth, Jason (1563) | Won 2-1 | +141771 |
| 13draft | 8 | Weigel, Eric (1654) | Won 2-1 | +161787 |
| 14draft | 16 | Edel, Willy (1954) | Won 2-1 | +211808 |
| 15draft | 15 | Poroszkai, Laszlo (1654) | Lost 0-2 | -211787 |
| top | average opponent: 1569record: 11-4 | new rating: 1787 | ||
| Grand Prix Salt Lake City 2014 (M15 limited) | starting rating: 1688 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 40 | Olson, Nick (1557) | Won 2-0 | +151703 |
| 2sealed | 90 | Naylor, Andrew (1564) | Won 2-0 | +161719 |
| 3sealed | 119 | Fagundes, Marina (1578) | Lost 1-2 | -211698 |
| 4sealed | 297 | Hurst, Lowell (1466) | Won 2-0 | +141712 |
| 5sealed | 198 | Stanton, Jack (1481) | Won 2-1 | +141726 |
| 6sealed | 92 | Manfield, Seth (1908) | Lost 0-2 | -151711 |
| 7sealed | 168 | Shurtliff, Carl (1535) | Won 2-0 | +151726 |
| 8sealed | 115 | Sutcliffe, Marshall (1667) | Lost 0-2 | -191707 |
| top | average opponent: 1594record: 5-3 | new rating: 1707 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1623 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 492 | Lauro, Travis (1596) | Won 2-0 | +171640 |
| 3sealed | 372 | Revis, Andrew (1536) | Won 2-1 | +161656 |
| 4sealed | 361 | Gallichet, Mike (1573) | Won 2-0 | +171673 |
| 5sealed | 245 | Brooks, Brad (1597) | Won 2-0 | +161689 |
| 6sealed | 259 | Prost, Andrejs (1888) | Lost 0-2 | -141675 |
| 7sealed | 311 | Kohler, Tim (1592) | Lost 1-2 | -191656 |
| 8sealed | 403 | Winsett, Ryder (1555) | Won 2-1 | +161672 |
| 9sealed | 345 | Kervin, Ryan (1602) | Won 2-1 | +161688 |
| 10draft | 126 | Nakamura, Shuhei (1898) | Lost 0-2 | -141674 |
| 11draft | 139 | Burnam, Justin (1595) | Won 2-0 | +171691 |
| 12draft | 141 | Chan, Sze Hang (1806) | Lost 0-2 | -161675 |
| 13draft | 140 | Wade, Nathan (1622) | Won 2-1 | +171692 |
| 14draft | 103 | Burnam, Justin (1614) | Won 2-0 | +161708 |
| 15draft | 156 | Carter, Dalton (1546) | Lost 0-2 | -201688 |
| top | average opponent: 1644record: 9-5 | new rating: 1688 | ||
| Grand Prix Montreal 2014 (BNG limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 114 | Kunkel, Jeremy (1739) | Lost 1-2 | -141488 |
| 2sealed | 239 | Ray, Alexander (1439) | Won 2-0 | +171505 |
| 3sealed | 404 | Cossette-Pacheco, Alexandre (1500) | Won 2-1 | +181523 |
| 4sealed | 227 | Vannelli, Lucas (1517) | Won 2-1 | +181541 |
| 5sealed | 97 | Abela, Andrew (1542) | Won 2-1 | +181559 |
| 6sealed | 55 | Rambarran, Ricardo (1620) | Lost 1-2 | -171542 |
| 7sealed | 220 | Metzger, Jonathan (1678) | Won 2-0 | +211563 |
| 8sealed | 66 | Stern, Jon (1944) | Won 2-1 | +241587 |
| 9sealed | 218 | Maynard, Pascal (1671) | Won 2-1 | +201607 |
| 10draft | 948 | Miller, Matthew (1517) | Won 2-1 | +161623 |
| 11draft | 923 | Daigle, Carl-Francis (1615) | Lost 1-2 | -181605 |
| 12draft | 956 | Dufour, Marc (1682) | Won 2-1 | +191624 |
| 13draft | 902 | Miller, Matthew (1542) | Lost 0-2 | -191605 |
| 14draft | 956 | Priemer, Tyler (1598) | Won 2-0 | +181623 |
| 15draft | 958 | Garant-Rousseau, Guillaume (1673) | ID | 01623 |
| top | average opponent: 1618record: 10-4-1 | new rating: 1623 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 37 | Speer, Jamie (1481) | Won 2-1 | +191471 |
| 2sealed | 148 | Panknin, Jason (1559) | Lost 0-2 | -171454 |
| 3sealed | 348 | Kirkpatrick, Greg (1437) | Won 2-0 | +181472 |
| 4sealed | 361 | Steele, Jesse (1591) | Won 2-1 | +201492 |
| 5sealed | 345 | Verderese, Leanna (1503) | Won 2-1 | +181510 |
| 6sealed | 129 | Gill, Bryon (1462) | Won 2-0 | +181528 |
| 7sealed | 121 | Jones, Matt (1439) | Won 2-1 | +161544 |
| 8sealed | 55 | Kofsky, Robert (1687) | Won 2-0 | +211565 |
| 9sealed | 41 | League, Charles (1658) | Lost 0-2 | -171548 |
| 10sealed | 395 | Schreiber, Marc (1589) | Won 2-1 | +191567 |
| 11draft | 4 | Holden, Russell (1637) | Lost 0-2 | -171550 |
| 12draft | 75 | Ingram, Peter (1757) | Lost 1-2 | -141536 |
| 13draft | 79 | Rudolph, David (1618) | Lost 0-2 | -171519 |
| 14draft | 33 | Henn, Robert (1544) | Lost 0-2 | -171502 |
| top | average opponent: 1569record: 8-6 | new rating: 1502 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1043 | Lewton, Jason (1500) | Won 2-0 | +191489 |
| 2sealed | 987 | Brazzell, Davis (1462) | Lost 0-2 | -191470 |
| 3sealed | 926 | Labny, Ross (1470) | Lost 0-2 | -181452 |
| top | average opponent: 1477record: 1-2 | new rating: 1452 | ||
| Grand Prix Montreal 2011 (M12 limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 163 | Venne Raymond, Nichola (1521) | Won 2-1 | +191482 |
| 2sealed | 86 | Garcia, Mark (1583) | Draw 1-1 | +21484 |
| 3sealed | 84 | Plouffe, Jeremi (1613) | Lost 1-2 | -161468 |
| 4sealed | 162 | Grandmaison, Carl (1499) | Lost 1-2 | -171451 |
| 5sealed | 198 | Little, Dustin (1482) | Won 2-1 | +181469 |
| 6sealed | 156 | Sun, Richard (1500) | Lost 1-2 | -171452 |
| 7sealed | 147 | Hernandez, Kevin (1464) | Won 2-0 | +181470 |
| top | average opponent: 1523record: 3-3-1 | new rating: 1470 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 151 | Sperry, Richard (1499) | Won 2-0 | +181518 |
| 2standard | 227 | Johnson, Randall (1463) | Lost 1-2 | -191499 |
| 3standard | 242 | Pence, Jt (1500) | Lost 0-2 | -181481 |
| 4standard | 316 | Perry, Ryan (1482) | Lost 0-2 | -181463 |
| top | average opponent: 1486record: 1-3 | new rating: 1463 | ||