DuPont, Jeffrey
Current rating: 1742 (#4249)
Record: 60-38-1
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1784 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 204 | Beatty, Robert (1779) | Lost 0-2 | -181766 |
| 4standard | 418 | Bender, Joel (1503) | Won 2-0 | +131779 |
| 5standard | 248 | Madsen, Benton (1594) | Lost 0-2 | -211758 |
| 6standard | 388 | Lu, Jason (1456) | Lost 0-2 | -231735 |
| 7standard | 343 | Johnson, Angelique (1545) | Won 2-1 | +141749 |
| 8standard | 311 | Davis, Andrew (1610) | Lost 1-2 | -201729 |
| 9standard | 318 | Matthews, Austin (1462) | Won 2-0 | +131742 |
| top | average opponent: 1564record: 3-4 | new rating: 1742 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1818 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 517 | Hammond, Bradley (1728) | Lost 1-2 | -201798 |
| 3modern | 985 | Waterson, David (1500) | Won 2-1 | +131811 |
| 4modern | 756 | Li, Jonathan [CAN] (1522) | Lost 1-2 | -231788 |
| 5modern | 673 | Gibeault, Gilles (1435) | Won 2-1 | +121800 |
| 6modern | 365 | Paras, Nikolas (1486) | Won 2-1 | +121812 |
| 7modern | 462 | Rettberg, Carlin (1512) | Won 2-0 | +131825 |
| 8modern | 249 | Stickroe, Tim (1556) | Lost 1-2 | -231802 |
| 9modern | 425 | Feingersh, Rachel (1813) | Lost 0-2 | -181784 |
| top | average opponent: 1569record: 4-4 | new rating: 1784 | ||
| Grand Prix Indianapolis 2015 (BFZ standard) | starting rating: 1808 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 238 | Tomsovic, Tommy (1575) | Lost 0-2 | -221786 |
| 3standard | 383 | Lindle, David (1467) | Won 2-0 | +131799 |
| 4standard | 224 | Johnson, Craig (1665) | Won 2-0 | +151814 |
| 5standard | 173 | Wyatt, Phil (1625) | Won 2-1 | +151829 |
| 6standard | 98 | Solave, Ryan (1506) | Won 2-0 | +121841 |
| 7standard | 73 | Reiter, Joseph (1807) | Won 2-1 | +181859 |
| 8standard | 23 | Garnier, Spencer (1850) | Lost 1-2 | -191840 |
| 9standard | 42 | McDermott, John (1579) | Lost 0-0 | -221818 |
| top | average opponent: 1634record: 5-3 | new rating: 1818 | ||
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1723 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 81 | Lavrenz, James (1518) | Lost 1-2 | -221701 |
| 3sealed | 608 | Oliver, Joseph (1499) | Won 2-0 | +151716 |
| 4sealed | 1035 | Weller, Rachel (1534) | Won 2-0 | +141730 |
| 5sealed | 122 | Chen, Peter (1590) | Won 2-0 | +161746 |
| 6sealed | 126 | Doetsch, Trevor (1600) | Won 2-0 | +151761 |
| 7sealed | 66 | Habel, Jonathon (1621) | Won 2-1 | +161777 |
| 8sealed | 21 | Severa, Matt (1818) | Lost 0-2 | -181759 |
| 9sealed | 97 | Carter, Steven (1792) | Won 2-1 | +191778 |
| 10draft | 100 | Zachow, Andrew (1740) | Won 2-1 | +171795 |
| 11draft | 43 | Mechtensimer, Aaron (1705) | Won 2-0 | +171812 |
| 12draft | 100 | Scholze, Aaron (1652) | Lost 0-2 | -211791 |
| 13draft | 13 | Mechler, Kyle (1755) | Won 2-0 | +171808 |
| 14draft | 13 | Rodrigues, Thiago (1808) | Lost 1-2 | -181790 |
| 15draft | 12 | Baeckstrom, Andrew (1808) | Won 2-0 | +181808 |
| top | average opponent: 1674record: 10-4 | new rating: 1808 | ||
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1676 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 17 | Jayakumar, Amlesh (1518) | Won 2-1 | +161692 |
| 3standard | 90 | Moles, Tommy (1486) | Won 2-1 | +141706 |
| 4standard | 11 | Matthews, Austin (1513) | Won 2-1 | +141720 |
| 5standard | 58 | Tedeschi, Joey (1585) | Won 2-0 | +161736 |
| 6standard | 28 | Dunn, Paul (1672) | Lost 0-2 | -191717 |
| 7standard | 27 | Pichette, Charles (1571) | Won 2-0 | +151732 |
| 8standard | 12 | Keeffe, Stephen (1649) | Won 2-0 | +171749 |
| 9standard | 35 | Jolicoeur, Draven (1607) | Lost 0-2 | -211728 |
| 10standard | 52 | Oliver, Neal (1825) | Lost 1-2 | -161712 |
| 11standard | 91 | Vollick, Matt (1575) | Lost 1-2 | -211691 |
| 12standard | 78 | Herberman, Erin (1435) | Won 2-0 | +141705 |
| 13standard | 66 | Shenhar, Shahar (1913) | Lost 0-2 | -141691 |
| 14standard | 79 | Henderson, Seth (1580) | Won 2-1 | +161707 |
| 15standard | 70 | Clarke, Davies (1621) | Won 2-1 | +161723 |
| top | average opponent: 1611record: 9-5 | new rating: 1723 | ||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1664 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 46 | Jansen, Morgan (1465) | Lost 1-2 | -211643 |
| 3standard | 219 | Dean, Zach (1398) | Lost 1-2 | -231620 |
| 4standard | 430 | DiTursi, Mary Kate (1426) | Won 2-1 | +151635 |
| 5standard | 367 | Woodward, Thomas (1534) | Won 0-0 | +161651 |
| 6standard | 267 | Casey, Cathy (1517) | Won 2-1 | +161667 |
| 7standard | 108 | Teeter, David (1374) | Won 2-0 | +121679 |
| 8standard | 80 | Tan, Chin Heng (1759) | Won 2-1 | +201699 |
| 9standard | 73 | Swift, Andrew (1452) | Lost 1-2 | -231676 |
| top | average opponent: 1491record: 5-3 | new rating: 1676 | ||
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1631 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 546 | Klebba, Byford (1484) | Won 2-1 | +151646 |
| 2standard | 649 | Crandell, Kris (1517) | Won 2-1 | +161662 |
| 3standard | 232 | Norman, Nick (1430) | Lost 0-2 | -231639 |
| 4standard | 347 | Weaver, Joseph (1517) | Won 2-1 | +161655 |
| 5standard | 177 | Combs, Richard (1501) | Won 2-1 | +151670 |
| 6standard | 63 | Maginnis, Peter (1778) | Won 2-0 | +201690 |
| 7standard | 55 | Neighbors, Jacob (1564) | Lost 1-2 | -201670 |
| 8standard | 107 | Lanthier, Dan (1849) | Won 2-1 | +211691 |
| 9standard | 116 | Capaldi, Alex (1583) | Won 2-1 | +161707 |
| 10standard | 82 | Ramsey, Nicholas (1606) | Won 2-0 | +161723 |
| 11standard | 16 | Hanson, Andrew J (1599) | Won 2-1 | +161739 |
| 12standard | 17 | Negri, Kazu (1613) | Lost 0-2 | -201719 |
| 13standard | 24 | Jansen, Adam (1924) | Lost 0-2 | -141705 |
| 14standard | 52 | Smith, Madison (1584) | Lost 1-2 | -211684 |
| 15standard | 63 | Uttke, Ryan (1573) | Lost 0-2 | -201664 |
| top | average opponent: 1608record: 9-6 | new rating: 1664 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1629 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 253 | Ward, Christopher (1445) | Won 2-1 | +151644 |
| 2modern | 101 | Shao, Xiran (1500) | Lost 0-0 | -211623 |
| 3modern | 560 | Schmidlin, Jared (1498) | Won 2-0 | +161639 |
| 4modern | 305 | Gostek, Ryan (1518) | Lost 1-2 | -201619 |
| 5modern | 535 | Howard, Cody (1465) | Won 2-1 | +151634 |
| 6modern | 322 | Cato, Daniel (1599) | Won 2-0 | +171651 |
| 7modern | 231 | NEER, BRANDON (1499) | Lost 1-2 | -201631 |
| top | average opponent: 1504record: 4-3 | new rating: 1631 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1636 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 69 | Barr, Alex (1518) | Won 2-0 | +161652 |
| 3sealed | 146 | Fornaro, Christopher (1614) | Won 2-0 | +171669 |
| 4sealed | 208 | Jensen, William (1796) | Lost 1-2 | -161653 |
| 5sealed | 296 | Haywood, Robert (1463) | Won 2-0 | +151668 |
| 6sealed | 114 | Umile, Zeke (1629) | Lost 1-2 | -191649 |
| 7sealed | 222 | Harrell, Chase (1536) | Lost 0-2 | -201629 |
| top | average opponent: 1593record: 3-3 | new rating: 1629 | ||
| Grand Prix Indianapolis 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 109 | Ford, Jason (1906) | Won 2-0 | +251525 |
| 5sealed | 4 | Mey, Jacob (1559) | Won 2-1 | +191544 |
| 6sealed | 13 | Norton, Matt M (1664) | Won 2-0 | +201564 |
| 7sealed | 5 | Bruggeman, Bobby (1608) | Lost 0-2 | -171547 |
| 8sealed | 44 | Lax, Ari (2087) | Won 2-1 | +271574 |
| 9sealed | 15 | Ogreenc, Greg (1652) | Won 2-1 | +191593 |
| 10draft | 62 | DeMars, Brian (1993) | Lost 1-2 | -111582 |
| 11draft | 3 | Zornes, James (1886) | Won 2-0 | +231605 |
| 12draft | 33 | McDarby, David (1680) | Won 2-1 | +201625 |
| 13draft | 57 | Martell, Tom (2026) | Draw 1-1 | +71632 |
| 14draft | 15 | Mispagel, Joey (1797) | Won 2-0 | +211653 |
| 15draft | 7 | Walker, Noah (1718) | Lost 1-2 | -171636 |
| top | average opponent: 1798record: 8-3-1 | new rating: 1636 | ||