Gwirtsman, Benjamin
Current rating: 1575
Record: 33-28-1
| Grand Prix Columbus 2019 (modern) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 68 | Giebel, Mason (1500) | Won 2-1 | +161593 |
| 2modern | 24 | Switzer, Isaiah (1518) | Won 2-0 | +171610 |
| 3modern | 101 | Carlson, Cody (1538) | Lost 1-2 | -191591 |
| 4modern | 162 | Bodee, Roger (1731) | Won 2-1 | +201611 |
| 5modern | 106 | Mork, Elliot (1578) | Lost 0-2 | -181593 |
| 6modern | 105 | Schmidt, Mike (1600) | Lost 1-2 | -181575 |
| top | average opponent: 1578record: 3-3 | new rating: 1575 | ||
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1564 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 95 | Knoll, Katelyn (1484) | Won 2-0 | +171581 |
| 2standard | 192 | Lewsader, Dave (1590) | Won 2-1 | +181599 |
| 3standard | 185 | Yeo, Tommie (1536) | Won 2-0 | +171616 |
| 4standard | 49 | Horak, Nathan (1562) | Lost 1-2 | -191597 |
| 5standard | 135 | Neiswenter, Daryl (1531) | Lost 1-2 | -191578 |
| 6standard | 173 | Brewer, Samuel (1501) | Won 2-1 | +161594 |
| 7standard | 146 | Martin, Clyde (1612) | Lost 0-2 | -171577 |
| top | average opponent: 1545record: 4-3 | new rating: 1577 | ||
| Grand Prix Atlanta 2018 (modern) | starting rating: 1624 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 163 | Zona, Jordan (1449) | Lost 1-2 | -221602 |
| 2modern | 547 | Livingston, Robert (1620) | Lost 0-2 | -171585 |
| 3modern | 655 | Simmons, Joel (1463) | Lost 1-2 | -211564 |
| top | average opponent: 1510record: 0-3 | new rating: 1564 | ||
| Grand Prix Louisville 2017 (legacy) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 383 | Doiron, Curtis (1542) | Won 2-1 | +181585 |
| 2legacy | 343 | Boyd, Adam (1833) | Won 2-1 | +221607 |
| 3legacy | 363 | O'Bryant, Christopher (1741) | Won 2-1 | +211628 |
| 4legacy | 393 | Tomajko, Oliver (1920) | Lost 0-2 | -131615 |
| 5legacy | 533 | Cardoza, Nathan (1526) | Won 2-1 | +161631 |
| 6legacy | 496 | Wesley, Sebastian (1670) | Lost 1-2 | -171614 |
| 7legacy | 435 | Motamed, Iman (1491) | Won 2-0 | +161630 |
| 8legacy | 380 | Campbell, Brad (1547) | Lost 1-2 | -201610 |
| 9legacy | 507 | Ukropen, Alex (1443) | Won 2-0 | +151625 |
| 10legacy | 1209 | Kovasckitz, Aaron (1585) | Won 2-1 | +171642 |
| 11legacy | 1074 | Salvador Arnal, Guillem (1656) | Lost 0-2 | -171625 |
| 12legacy | 1131 | Curran, Riley (1801) | Won 2-1 | +211646 |
| 13legacy | 1117 | Kaida-Yip, Ned (1538) | Lost 1-2 | -201626 |
| 14legacy | 1152 | Wilson, Jacob [USA] (1593) | Won 2-0 | +171643 |
| 15legacy | 1096 | Mason, Donald (1548) | Lost 0-2 | -191624 |
| top | average opponent: 1629record: 9-6 | new rating: 1624 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 539 | Bacon, Robert (1378) | Won 2-0 | +151590 |
| 2modern | 148 | Giering, Cole (1512) | Won 2-1 | +161606 |
| 3modern | 355 | Apperson, Michael (1498) | Lost 1-2 | -191587 |
| 4modern | 234 | Neal, Stephen (1833) | Lost 0-2 | -141573 |
| 5modern | 621 | Evans, Curtis (1503) | Won 2-1 | +171590 |
| 6modern | 155 | Baker, Jason (1510) | Lost 1-2 | -201570 |
| 7modern | 627 | Goldman, Jonathan (1481) | Won 2-0 | +171587 |
| 8modern | 554 | Weigand, Eric (1515) | Lost 1-2 | -201567 |
| top | average opponent: 1529record: 4-4 | new rating: 1567 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 794 | Polizzi, Jack (1480) | Lost 1-2 | -191502 |
| 2modern | 940 | Bott, Mike (1480) | Won 2-1 | +181520 |
| 3modern | 895 | Romero, Steven (1463) | Won 2-0 | +171537 |
| 4modern | 835 | Pham, Jonathan (1559) | Won 2-0 | +181555 |
| 5modern | 712 | Joyner, Belton (1567) | Won 2-1 | +191574 |
| 6modern | 709 | Turner, Jacob B (1507) | Won 2-0 | +161590 |
| 7modern | 554 | Cloutier, Chuck (1572) | Won 2-1 | +181608 |
| 8modern | 547 | Spurlock, Brian (1551) | Won 2-0 | +171625 |
| 9modern | 538 | Crane, Paul (1657) | Lost 0-2 | -171608 |
| 10modern | 746 | Johnson, Nicholas (1756) | Won 2-1 | +201628 |
| 11modern | 684 | Tibbitts, Nicholas (1559) | Lost 1-2 | -191609 |
| 12modern | 680 | Dragone, Matthew (1580) | Won 2-1 | +181627 |
| 13modern | 667 | Saito, Tomoharu (1865) | Lost 1-2 | -141613 |
| 14modern | 695 | Williams, Robert (1574) | Lost 1-2 | -191594 |
| 15modern | 719 | Ozmun, Dalton (1559) | Lost 1-2 | -191575 |
| top | average opponent: 1582record: 9-6 | new rating: 1575 | ||
| Grand Prix Memphis 2015 (FRF standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 30 | Addington, Jasper (1449) | Won 2-0 | +171517 |
| 2standard | 76 | Singletery, Christopher (1500) | Lost 0-2 | -181499 |
| 3standard | 413 | Renuard, Todd (1523) | Draw 1-1 | 01499 |
| 4standard | 330 | Laney, George (1467) | Won 2-0 | +181517 |
| 5standard | 233 | Kim, Da-Me (1478) | Won 2-0 | +171534 |
| 6standard | 137 | LePine, Mark (1901) | Won 2-1 | +241558 |
| 7standard | 85 | Lutes, Tyler (1500) | Lost 1-2 | -191539 |
| 8standard | 151 | Beard, Joshua (1539) | Lost 0-2 | -181521 |
| top | average opponent: 1545record: 4-3-1 | new rating: 1521 | ||