Marshall, Stephen
Current rating: 1528
Record: 41-40-1
Grand Prix Houston 2013Grand Prix Oklahoma City 2013Grand Prix Dallas-Fort Worth 2013Grand Prix San Antonio 2014Grand Prix Las Vegas 2015 (1)Grand Prix Dallas-Fort Worth 2015Grand Prix Oklahoma City 2015Grand Prix Madison 2015Grand Prix Houston 2016Grand Prix Dallas-Fort Worth 2016Grand Prix Indianapolis 2017Grand Prix Dallas-Fort Worth 2018
| Grand Prix Dallas-Fort Worth 2018 (DOM limited) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 267 | Davis, Alan (1279) | Lost 0-2 | -231528 |
| top | record: 0-1 | new rating: 1528 | ||
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1620 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 147 | Neuman, Tim (1627) | Lost 0-2 | -181602 |
| 2sealed | 390 | Miller, Byron (1393) | Lost 0-2 | -221580 |
| 3sealed | 501 | Reed-Smith, River (1463) | Won 2-0 | +161596 |
| 4sealed | 406 | Kindler, Jim (1210) | Lost 0-2 | -251571 |
| 5sealed | 459 | Sutcliffe, Donald (1447) | Lost 1-2 | -201551 |
| top | average opponent: 1428record: 1-4 | new rating: 1551 | ||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 125 | Then, Luke (1537) | Lost 1-2 | -201588 |
| 3modern | 629 | Henson, Jim (1477) | Won 2-1 | +161604 |
| 4modern | 390 | Matthews, Steven (1419) | Won 2-1 | +151619 |
| 5modern | 253 | Orange, Gregory (1889) | Won 2-1 | +231642 |
| 6modern | 230 | Kirkpatrick, Dylan (1560) | Lost 1-2 | -201622 |
| 7modern | 349 | Kinney, Ryan (1591) | Won 2-1 | +181640 |
| 8modern | 212 | Romick, Michael (1531) | Lost 0-2 | -201620 |
| top | average opponent: 1572record: 4-3 | new rating: 1620 | ||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 200 | Jacobs, Adam (1550) | Won 2-1 | +171575 |
| 3standard | 221 | Phillips, Jase (1538) | Won 2-1 | +181593 |
| 4standard | 42 | Cervantes, Salvador (1568) | Lost 0-2 | -191574 |
| 5standard | 289 | Garrido, Gerardo (1533) | Won 2-0 | +171591 |
| 6standard | 143 | Brown, Andrew (1986) | Won 2-1 | +251616 |
| 7standard | 62 | Gonzales, Adam (1571) | Won 2-0 | +181634 |
| 8standard | 35 | Gardiner, Grant (1593) | Won 2-0 | +171651 |
| 9standard | 37 | Flynn, Kyle (1724) | Lost 1-2 | -171634 |
| 10standard | 39 | Tamada, Ryoichi (1909) | Lost 0-2 | -131621 |
| 11standard | 100 | Zhang, Bo [USA] (1629) | Lost 1-2 | -181603 |
| 12standard | 199 | Frackowiak, Sean (1542) | Won 2-0 | +171620 |
| 13standard | 100 | Elsik, Zac (1840) | Lost 0-2 | -141606 |
| 14standard | 163 | Wennmacher, Justin (1551) | Lost 1-2 | -191587 |
| 15standard | 155 | Baeckstrom, Andrew (1743) | Won 2-0 | +211608 |
| top | average opponent: 1663record: 8-6 | new rating: 1608 | ||
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 383 | Gancer, Mary Ann (1482) | Lost 0-2 | -201524 |
| 3sealed | 351 | Summ, McKinley (1500) | Won 2-1 | +181542 |
| 4sealed | 201 | Schweigl, Anthony (1495) | Won 2-1 | +171559 |
| 5sealed | 244 | Pecsi, Adam (1510) | Won 2-0 | +171576 |
| 6sealed | 136 | Dahlen, Theodore (1568) | Lost 1-2 | -181558 |
| 7sealed | 305 | Kormendi, Andre (1550) | Lost 0-2 | -181540 |
| 8sealed | 253 | Mantey, Tyler (1515) | Won 2-1 | +181558 |
| top | average opponent: 1517record: 4-3 | new rating: 1558 | ||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 1012 | Pargh, William (1701) | Lost 0-2 | -161564 |
| 3modern | 1054 | Gardner, Austin (1541) | Lost 0-0 | -181546 |
| 4modern | 1052 | Zeedyk, Shawn (1486) | Lost 1-2 | -191527 |
| 5modern | 1063 | Beam, Seth (1463) | Won 2-0 | +171544 |
| top | average opponent: 1548record: 1-3 | new rating: 1544 | ||
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 277 | Crabtree, Scott (1518) | Won 2-0 | +171561 |
| 3sealed | 17 | Olson, Erick (1536) | Won 2-1 | +181579 |
| 4sealed | 182 | Sheen, Kaider (1535) | Won 2-0 | +171596 |
| 5sealed | 75 | Garcia III, Joe (1558) | Lost 0-2 | -191577 |
| 6sealed | 216 | Conboy, James (1613) | Won 2-1 | +191596 |
| 7sealed | 120 | Hu, Jonathan (1718) | Lost 0-2 | -161580 |
| 8sealed | 142 | Creshaw, Austin (1554) | Won 2-0 | +181598 |
| 9sealed | 80 | Wise, Jacob (1613) | Lost 1-2 | -181580 |
| top | average opponent: 1581record: 5-3 | new rating: 1580 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 22 | Robinson, Jason (1517) | Won 2-0 | +171550 |
| 3sealed | 46 | Ohlschwager, Andrew (2003) | Lost 1-2 | -101540 |
| 4sealed | 109 | Tang, Andrew (1466) | Lost 1-2 | -191521 |
| 5sealed | 168 | Wedding, Reid (1508) | Won 2-1 | +181539 |
| 6sealed | 164 | Kubo, Eric (1530) | Won 2-0 | +171556 |
| 7sealed | 118 | Hatch, Gregory (1788) | Lost 1-2 | -131543 |
| 8sealed | 100 | Kramer, Josh (1535) | Won 2-0 | +171560 |
| 9sealed | 68 | Cabanero, Erik (1636) | Lost 0-2 | -161544 |
| top | average opponent: 1623record: 4-4 | new rating: 1544 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 34 | Church, Darien (1518) | Won 2-1 | +181495 |
| 3standard | 115 | Quinn, Serena (1486) | Draw 1-1 | 01495 |
| 4standard | 109 | Gleason, Jason (1512) | Won 2-1 | +181513 |
| 5standard | 53 | Oliver, Gregory (1552) | Won 2-1 | +191532 |
| 6standard | 29 | Edwards, Kyle (1507) | Lost 1-2 | -181514 |
| 7standard | 92 | Cortes, Gerard (1554) | Won 2-1 | +181532 |
| 8standard | 45 | Rougeou, Robert (1556) | Lost 0-2 | -171515 |
| 9standard | 101 | Elguea, Austin (1510) | Won 2-0 | +181533 |
| top | average opponent: 1524record: 5-2-1 | new rating: 1533 | ||
| Grand Prix Dallas-Fort Worth 2013 (THS standard) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 194 | Smith, Rachael (1520) | Won 2-0 | +181527 |
| 3standard | 104 | Kang, Brian (1596) | Lost 1-2 | -171510 |
| 4standard | 274 | Schutz, Cory (1517) | Won 2-0 | +191529 |
| 5standard | 190 | Wolloch, Sam (1624) | Lost 1-2 | -171512 |
| 6standard | 305 | Dean, Jonathan (1465) | Lost 1-2 | -191493 |
| 7standard | 328 | Ho, Anthony (1559) | Lost 0-2 | -161477 |
| top | average opponent: 1547record: 2-4 | new rating: 1477 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 116 | Brummett, Chris (1498) | Lost 1-2 | -181484 |
| 3sealed | 469 | Blackston, Eric (1481) | Won 2-1 | +181502 |
| 4sealed | 429 | VANDEVENTER, JASON (1517) | Won 2-1 | +181520 |
| 5sealed | 262 | Blanchard, Wes (1511) | Lost 0-2 | -181502 |
| 6sealed | 387 | Lytle, Tyler (1837) | Won 2-0 | +241526 |
| 7sealed | 231 | Betts, Dustin (1562) | Lost 1-2 | -171509 |
| 8sealed | 271 | Hiltenbrand, Chuck C (1520) | Won 2-1 | +181527 |
| 9sealed | 230 | Randell, Tye (1527) | Lost 1-2 | -181509 |
| top | average opponent: 1557record: 4-4 | new rating: 1509 | ||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 92 | Jenkins, Tracie (1500) | Won 2-0 | +181518 |
| 2sealed | 92 | Garner, Brent (1518) | Won 2-0 | +181536 |
| 3sealed | 92 | Keith, Jody (1883) | Lost 0-2 | -121524 |
| 4sealed | 92 | Monaco, Shane (1518) | Won 2-0 | +181542 |
| 5sealed | 92 | Xu, Roy (1435) | Lost 0-2 | -201522 |
| 6sealed | 92 | Sukenik, Sara (1422) | Lost 0-2 | -201502 |
| top | average opponent: 1546record: 3-3 | new rating: 1502 | ||