Duffee, Daniel
Current rating: 1844 (#1276)
Record: 42-28 (GP) / 9-7 (professional)
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1867 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 62 | McKenna, Michael (1476) | Won 2-0 | +121879 |
| 3sealed | 249 | Davis, James (1738) | Won 2-1 | +151894 |
| 4sealed | 114 | Floro, Joshua (1572) | Lost 1-2 | -241870 |
| 5sealed | 186 | Rodriguez, Kenneth (1559) | Lost 1-2 | -231847 |
| 6sealed | 345 | Carey, Anthony (1524) | Won 2-0 | +121859 |
| 7sealed | 275 | Kassis, Eli (2005) | Lost 0-2 | -151844 |
| top | average opponent: 1646record: 3-3 | new rating: 1844 | ||
| Mythic Championship I (RNA standard) | starting rating: 1832 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 200 | Edelman, Charles (1646) | Lost 0-2 | -211811 |
| 2draft | 71 | McManis, Ellen (1499) | Won 2-0 | +121823 |
| 3draft | 245 | Hendriks, Thomas (1790) | Won 2-1 | +181841 |
| 4standard | 72 | Scholz, Tim (1529) | Won 2-1 | +121853 |
| 5standard | 21 | Kaczmarczyk, Radek (1857) | Lost 0-2 | -181835 |
| 6standard | 112 | Rubin, Steve (2036) | Lost 0-2 | -141821 |
| 7standard | 153 | Ayers, Brandon (2001) | Won 2-0 | +211842 |
| 8standard | 76 | Taketsuji, Hitoshi (1524) | Lost 1-2 | -231819 |
| 9draft | 85 | Lee, Shi Tian (1925) | Won 2-0 | +191838 |
| 10draft | 105 | Nagro, Jacob (2021) | Won 2-0 | +221860 |
| 11draft | 70 | Frye, Jeremy (1776) | Won 2-0 | +161876 |
| 12standard | 62 | Lenz, Manuel (1820) | Won 2-1 | +171893 |
| 13standard | 46 | Mok, Wilson (1999) | Lost 0-2 | -161877 |
| 14standard | 41 | Vieren, Pascal (2292) | Lost 0-2 | -111866 |
| 15standard | 77 | Zhang, Bolun (1919) | Won 2-0 | +191885 |
| 16standard | 64 | Grezes, Felix (1890) | Lost 0-2 | -181867 |
| top | average opponent: 1845record: 9-7 | new rating: 1867 | ||
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1595 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 107 | Vazquez-Carr, Malachi (1516) | Won 2-1 | +161611 |
| 3standard | 83 | Nines, Lance (1538) | Won 2-0 | +171628 |
| 4standard | 72 | Phipps, Corey (1657) | Won 2-0 | +181646 |
| 5standard | 38 | Petre, Evan (1865) | Won 2-0 | +221668 |
| 6standard | 23 | Nelson, Dan (1733) | Won 2-0 | +191687 |
| 7standard | 10 | Jacques, Zachary (1463) | Won 2-1 | +141701 |
| 8standard | 5 | Cline, Branden (1674) | Won 2-1 | +181719 |
| 9standard | 3 | Johnson, Case (1837) | Won 2-1 | +201739 |
| 10standard | 1 | Magalhaes, Edgar (1990) | Lost 1-2 | -131726 |
| 11standard | 6 | Stitson, Christopher (1799) | Lost 0-2 | -171709 |
| 12standard | 10 | Morawski, Jonathan (1842) | Won 2-0 | +201729 |
| 13standard | 9 | Tomajko, Oliver (2018) | Won 2-1 | +231752 |
| 14standard | 3 | Webb, Mark (1717) | Won 2-1 | +181770 |
| 15standard | 3 | Zhang, Bolun (1997) | ID | 01770 |
| Qstandard | Rianhard, Cain (1793) | Won 2-1 | +181788 | |
| Sstandard | Reilly, Benjamin (1976) | Won 2-1 | +221810 | |
| Fstandard | Tiu, Oliver (2066) | Won 2-1 | +221832 | |
| top | average opponent: 1793record: 14-2-1 | new rating: 1832 | ||
| Grand Prix Hartford 2018 (modern) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 382 | Modesto, Celso (1518) | Won 2-1 | +191472 |
| 3modern | 148 | Leonard, Orson (1519) | Won 2-1 | +191491 |
| 4modern | 8 | Gouveia, Adam (1659) | Won 2-0 | +211512 |
| 5modern | 4 | Sifuentes, Francisco (1933) | Won 2-1 | +261538 |
| 6modern | 11 | Place, Kevin (1741) | Lost 1-2 | -151523 |
| 7modern | 82 | Pace, Stanley (1561) | Won 2-0 | +191542 |
| 8modern | 61 | Gavigan, Cody (1593) | Lost 1-2 | -171525 |
| 9modern | 367 | Corbin, Julia (1641) | Won 2-1 | +201545 |
| 10modern | 267 | VanDerMaelen, Joseph (1603) | Won 2-0 | +191564 |
| 11modern | 232 | Southworth, Luke (1875) | Lost 0-2 | -121552 |
| 12modern | 273 | Brothers, Derek (1571) | Lost 0-2 | -181534 |
| 13modern | 322 | Sockol, Edward (1753) | Won 2-0 | +221556 |
| 14modern | 266 | Milano, Kyle (1609) | Won 2-0 | +191575 |
| 15modern | 255 | Ingram, Michael (1671) | Won 2-1 | +201595 |
| top | average opponent: 1660record: 10-4 | new rating: 1595 | ||
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 66 | Tino, Jonathan (1482) | Lost 0-2 | -171420 |
| 3sealed | 631 | Hendrickson, Levi (1502) | Lost 0-2 | -171403 |
| 4sealed | 605 | Dixon, Richard (1529) | Won 2-0 | +211424 |
| 5sealed | 446 | Bunn, Caleb (1481) | Won 2-0 | +191443 |
| 6sealed | 396 | Stewart, Perry (1585) | Won 2-1 | +201463 |
| 7sealed | 292 | Ioerger, Roderick (1487) | Lost 1-2 | -171446 |
| 8sealed | 436 | Hakim, Joshua (1701) | Lost 0-2 | -141432 |
| 9sealed | 363 | Juang, Kevin (1597) | Won 2-1 | +211453 |
| top | average opponent: 1546record: 4-4 | new rating: 1453 | ||
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 275 | Liang, Yong Li (1533) | Won 2-0 | +201483 |
| 3standard | 373 | Dufour, Jimmy (1735) | Lost 1-2 | -141469 |
| 4standard | 265 | DeLange, Gregory (1564) | Won 2-0 | +201489 |
| 5standard | 292 | Siembor, Michael (1529) | Lost 1-2 | -181471 |
| 6standard | 457 | Regan, Thomas (1520) | Lost 0-2 | -171454 |
| 7standard | 459 | Mark, Nathan (1494) | Lost 0-2 | -171437 |
| top | average opponent: 1562record: 2-4 | new rating: 1437 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 209 | Wertz, Robert (1500) | Lost 1-2 | -191504 |
| 2standard | 405 | Nalbone, Michael (1465) | Won 2-0 | +171521 |
| 3standard | 366 | Bishop, Alyssa (1430) | Lost 1-2 | -191502 |
| 4standard | 591 | Smith, Trey (1399) | Lost 0-2 | -201482 |
| 5standard | 547 | Eustace, Timothy (1443) | Lost 1-2 | -191463 |
| top | average opponent: 1447record: 1-4 | new rating: 1463 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 77 | Ma, Jonathan (1656) | Lost 1-2 | -151523 |
| 3modern | 970 | Lee, Mike (1514) | Won 2-0 | +171540 |
| 4modern | 583 | Seylar, Joshua (1529) | Lost 1-2 | -181522 |
| 5modern | 662 | Lancaster, Chris (1518) | Lost 1-2 | -181504 |
| 6modern | 159 | Fuson, Joey (1445) | Won 2-1 | +171521 |
| 7modern | 682 | Little, Stephen (1540) | Won 2-0 | +181539 |
| 8modern | 501 | Freas, Gerald (1611) | Lost 0-2 | -161523 |
| top | average opponent: 1544record: 3-4 | new rating: 1523 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 954 | Leeper, Jason (1475) | Lost 1-2 | -181482 |
| 3legacy | 1101 | Shaw, Wesley (1462) | Won 2-1 | +171499 |
| 4legacy | 934 | Kichline, Nate (1520) | Won 2-0 | +191518 |
| 5legacy | 719 | Robinson, Jesse (1557) | Won 2-1 | +181536 |
| 6legacy | 711 | Hildreth, Nicholas (1631) | Won 2-1 | +201556 |
| 7legacy | 638 | Mascio, Anthony (1564) | Won 2-1 | +181574 |
| 8legacy | 581 | Flyum, Geir Magne (1601) | Lost 1-2 | -171557 |
| 9legacy | 634 | Taylor, Zach (1543) | Lost 1-2 | -191538 |
| top | average opponent: 1544record: 5-3 | new rating: 1538 | ||