Stojak, Peter
Current rating: 1693
Record: 61-52
Grand Prix Minneapolis 2005Grand Prix Boston 2009Grand Prix Washington DC 2010Grand Prix Pittsburgh 2011Grand Prix Richmond 2014Grand Prix Philadelphia 2014Grand Prix Washington DC 2014Grand Prix Baltimore 2014Grand Prix Atlanta 2016Grand Prix Indianapolis 2017Grand Prix Oklahoma City 2017Grand Prix New Jersey 2017 (lim)Grand Prix New Jersey 2019Grand Prix Washington DC 2019
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1621 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 204 | Goodrow, Jay (1500) | Won 2-1 | +161637 |
| 2sealed | 49 | Garcia III, Joe (1642) | Won 0-0 | +181655 |
| 3sealed | 222 | Friedman, Gene (1702) | Lost 1-2 | -171638 |
| 4sealed | 327 | Dreher, Gregory (1568) | Won 2-0 | +161654 |
| 5sealed | 163 | Reed, David (1663) | Lost 1-2 | -181636 |
| 6sealed | 187 | Favretto, Carlo (1537) | Won 2-0 | +171653 |
| 7sealed | 156 | Ogle, Stephen (1551) | Won 2-1 | +161669 |
| 8sealed | 107 | DeVarney, Sean (1472) | Won 2-0 | +141683 |
| 9sealed | 39 | Lopez, Jose Manuel (1616) | Won 2-0 | +171700 |
| 10draft | 42 | Rubinstein, Garrett (1518) | Won 2-1 | +151715 |
| 11draft | 41 | Berkowitz, Jordan (1798) | Lost 0-2 | -171698 |
| 12draft | 41 | Butterfield, Nathaniel (1603) | Lost 0-2 | -191679 |
| 13draft | 101 | Campbell, Ian (1564) | Lost 1-2 | -211658 |
| 14draft | 19 | Meyer, Andrew 5774 (1568) | Won 2-0 | +171675 |
| 15draft | 85 | Fleischood, Mark (1705) | Won 2-1 | +181693 |
| top | average opponent: 1600record: 10-5 | new rating: 1693 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 177 | Mascio, Anthony (1567) | Lost 1-2 | -191588 |
| 3sealed | 580 | Spinelli, James (1512) | Lost 1-2 | -191569 |
| 4sealed | 517 | Mason, Benjamin (1456) | Won 2-1 | +161585 |
| 5sealed | 432 | Churchill, Lee (1521) | Won 2-1 | +161601 |
| 6sealed | 317 | Meacham, Dylan (1522) | Won 2-0 | +171618 |
| 7sealed | 172 | Klusa, Mark (1930) | Lost 0-2 | -131605 |
| 8sealed | 230 | Kovalcik, JR (1461) | Won 2-0 | +161621 |
| top | average opponent: 1567record: 4-3 | new rating: 1621 | ||
| Grand Prix New Jersey 2017 (lim) (XLN limited) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 213 | Markson, Samuel (1480) | Won 2-1 | +161613 |
| 2sealed | 197 | Ailes, Nicholas (1532) | Lost 1-2 | -201593 |
| 3sealed | 332 | Coombe, Alan (1454) | Won 2-0 | +161609 |
| 4sealed | 244 | Nix, Robert (1716) | Won 2-1 | +201629 |
| 5sealed | 213 | Sykulski, Lynn (1590) | Won 2-0 | +171646 |
| 6sealed | 48 | Hudson, Keegan (1560) | Lost 0-2 | -201626 |
| 7sealed | 109 | Jolin, Jonathan (1790) | Won 2-0 | +211647 |
| 8sealed | 146 | Kirkpatrick, Greg (1550) | Lost 1-2 | -191628 |
| 9sealed | 215 | Robbins, Adam (1473) | Lost 1-2 | -211607 |
| top | average opponent: 1572record: 5-4 | new rating: 1607 | ||
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 514 | Pentico, Trevor (1600) | Lost 0-2 | -181585 |
| 2modern | 419 | Slater, Eric (1460) | Lost 1-2 | -211564 |
| 3modern | 680 | Owen, Slade (1443) | Won 2-0 | +161580 |
| 4modern | 548 | Kilburn, Brad (1602) | Won 2-1 | +191599 |
| 5modern | 421 | Bonura, Joseph (1483) | Lost 0-2 | -201579 |
| 6modern | 441 | Hunt, Patrick (1482) | Won 2-1 | +161595 |
| 7modern | 341 | Moreno, Arthur (1500) | Won 2-0 | +161611 |
| 8modern | 232 | Kennedy, Sean (1615) | Won 2-1 | +181629 |
| 9modern | 202 | Perreault, Joshua (1567) | Won 2-1 | +171646 |
| 10modern | 130 | Baeckstrom, Andrew (1876) | Lost 0-2 | -141632 |
| 11modern | 148 | Hughes, Shawn (1613) | Lost 1-2 | -181614 |
| 12modern | 171 | Womack, Gabriel (1667) | Lost 1-2 | -171597 |
| top | average opponent: 1576record: 6-6 | new rating: 1597 | ||
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 89 | James, Harold (1486) | Won 2-0 | +171564 |
| 2sealed | 176 | Dunkin, Robert (1570) | Won 2-1 | +181582 |
| 3sealed | 103 | Berrios, Stephen (1824) | Lost 0-2 | -141568 |
| 4sealed | 252 | Charlton, David (1388) | Won 2-0 | +151583 |
| 5sealed | 239 | Williams, Justin (1710) | Won 2-0 | +201603 |
| 6sealed | 165 | Benke, Jake (1604) | Won 2-1 | +181621 |
| 7sealed | 47 | Ochoa, David (1884) | Won 2-0 | +231644 |
| 8sealed | 27 | Ruggles, Randall (1702) | Lost 0-2 | -171627 |
| 9sealed | 90 | Turtenwald, Owen (2128) | Lost 1-2 | -91618 |
| 10draft | 27 | Spano, Greggory (1791) | Lost 1-2 | -151603 |
| top | average opponent: 1709record: 6-4 | new rating: 1603 | ||
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 698 | Anderson, Ben (1651) | Won 2-0 | +201577 |
| 2sealed | 529 | Saitou, Ryuuga (2001) | Lost 0-2 | -111566 |
| 3sealed | 931 | Pena, Phillip (1501) | Lost 1-2 | -191547 |
| top | average opponent: 1718record: 1-2 | new rating: 1547 | ||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1583 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 223 | Kim, Pitter (1482) | Won 2-0 | +171600 |
| 2sealed | 2 | Mitchell, Damon (1464) | Lost 0-2 | -211579 |
| 3sealed | 463 | Paris, Andrew (1518) | Lost 1-2 | -191560 |
| 4sealed | 452 | Griffith, Ted (1487) | Won 2-0 | +171577 |
| 5sealed | 384 | Horton, Jay (1499) | Lost 1-2 | -201557 |
| top | average opponent: 1490record: 2-3 | new rating: 1557 | ||
| Grand Prix Washington DC 2014 (JOU limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 282 | Husbands, Louis (1500) | Won 2-0 | +191481 |
| 2sealed | 173 | Lombardi, Anthony (1649) | Lost 1-2 | -151466 |
| 3sealed | 535 | Hogan, Sean (1534) | Won 2-1 | +191485 |
| 4sealed | 210 | Jenkins, Joe (1414) | Won 2-0 | +171502 |
| 5sealed | 132 | Ponce, Fernando (1502) | Won 2-1 | +181520 |
| 6sealed | 122 | Vo, Thomas (1496) | Lost 1-2 | -191501 |
| 7sealed | 149 | Mabie, Bryan (1692) | Won 2-1 | +221523 |
| 8sealed | 117 | Grenfell, Hunter (1569) | Won 2-1 | +191542 |
| 9sealed | 90 | Casale, John (1668) | Won 2-1 | +201562 |
| 10draft | 76 | Senneway, Bill (1675) | Won 2-1 | +201582 |
| 11draft | 48 | Poirier, Robert (1604) | Lost 0-2 | -181564 |
| 12draft | 38 | Do, Dzi (1592) | Won 2-0 | +191583 |
| 13draft | 64 | Perrien, Michael (1602) | Lost 1-2 | -181565 |
| 14draft | 68 | Endlich, Dylan (1572) | Won 2-0 | +181583 |
| 15draft | 31 | Houle, Ray (1650) | ID | 01583 |
| top | average opponent: 1581record: 10-4-1 | new rating: 1583 | ||
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 158 | Pickering, Matthew (1469) | Won 2-0 | +181498 |
| 2sealed | 18 | Mathieson, Marcus (1519) | Lost 0-2 | -181480 |
| 3sealed | 374 | Kwon, Phillip (1503) | Lost 1-2 | -181462 |
| 4sealed | 777 | Channing, Harry (1463) | Won 2-0 | +181480 |
| 5sealed | 468 | Sturtevant, Evan (1465) | Lost 0-2 | -181462 |
| top | average opponent: 1484record: 2-3 | new rating: 1462 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1401 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 340 | Fowler, Stephen (1463) | Won 2-1 | +191420 |
| 2modern | 272 | Jacobs, Cory (1524) | Lost 0-2 | -161404 |
| 3modern | 351 | Halverson, Leif (1448) | Won 2-0 | +191423 |
| 4modern | 297 | Rosenblum, James (1666) | Won 2-0 | +221445 |
| 5modern | 105 | Burris, Christopher (1682) | Won 2-0 | +221467 |
| 6modern | 138 | Manuel, Melvin (1579) | Won 2-0 | +211488 |
| 7modern | 66 | Sharfman, David (2026) | Won 2-0 | +261514 |
| 8modern | 17 | Phillips, Bert (1514) | Lost 1-2 | -181496 |
| 9modern | 97 | Woolet, Andrew (1575) | Lost 1-2 | -161480 |
| top | average opponent: 1609record: 6-3 | new rating: 1480 | ||
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 62 | Benson, Riley (1500) | Lost 1-2 | -171454 |
| 2standard | 460 | Amoroso, Joseph (1481) | Lost 1-2 | -181436 |
| 3standard | 588 | Riggs, Brandon (1464) | Lost 1-2 | -171419 |
| 4standard | 662 | Unser, Ryan (1447) | Lost 0-2 | -181401 |
| top | average opponent: 1473record: 0-4 | new rating: 1401 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 234 | Sutherburg, Nate A (1464) | Won 2-1 | +171500 |
| 2standard | 26 | Ferrando, Matthew (1602) | Lost 0-2 | -161484 |
| 3standard | 209 | Pace, Sarah (1500) | Won 2-0 | +191503 |
| 4standard | 271 | Duke, Reid (1691) | Lost 1-2 | -151488 |
| 5standard | 212 | Pennachio, Joe (1499) | Lost 0-2 | -181470 |
| 6standard | 293 | Garabedian, Dylan (1434) | Won 2-0 | +181488 |
| 7standard | 207 | Tellier, Dave D (1499) | Won 2-1 | +181506 |
| 8standard | 139 | Musser, Dan (1565) | Lost 0-2 | -171489 |
| 9standard | 110 | Portillo, Erik (1499) | Lost 1-2 | -181471 |
| top | average opponent: 1528record: 4-5 | new rating: 1471 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 178 | Bederka, Alan (1481) | Lost 0-2 | -181464 |
| 2sealed | 234 | Cusson, Patrick (1481) | Won 2-0 | +191483 |
| 3sealed | 211 | Kapsidis, James (1500) | Lost 0-2 | -181465 |
| 4sealed | 285 | Pirro, Myles (1482) | Won 2-0 | +181483 |
| 5sealed | 206 | Arruda, Brian (1499) | Won 2-0 | +191502 |
| 6sealed | 144 | Toyota, Shimpei (1456) | Lost 0-2 | -191483 |
| top | average opponent: 1483record: 3-3 | new rating: 1483 | ||
| Grand Prix Minneapolis 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 109 | Chelberg, Jeffrey (1556) | Won 2-1 | +191519 |
| 2block | 70 | Haefner, Ralph (1483) | Lost 1-2 | -191500 |
| 3block | 133 | Wyrowski, Andrew (1500) | Won 2-0 | +181518 |
| 4block | 113 | Cox, Adam (1521) | Lost 0-2 | -181500 |
| 5block | 107 | Rudd, Shawn (1504) | Lost 0-2 | -181482 |
| top | average opponent: 1513record: 2-3 | new rating: 1482 | ||