Marsh, Greg
Current rating: 1599
Record: 34-32
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 258 | Paulson, Michael (1500) | Won 2-0 | +181521 |
| 2sealed | 102 | Brennecke, Sarah (1516) | Won 2-1 | +181539 |
| 3sealed | 85 | Kristoff, Daniel (1785) | Won 2-0 | +221561 |
| 4sealed | 143 | Thomason, Timothy (1846) | Won 2-1 | +231584 |
| 5sealed | 83 | Garcia Rosas, Jose Daniel (2057) | Lost 0-2 | -101574 |
| 6sealed | 110 | Riley, Marco (1561) | Won 2-0 | +181592 |
| 7sealed | 103 | Winstead, Forrest (1519) | Lost 1-2 | -191573 |
| 8sealed | 190 | Whittington, Michael (1538) | Won 2-1 | +171590 |
| 9sealed | 117 | Life, Ricky (1640) | Won 2-1 | +191609 |
| 10draft | 345 | Mayfield, Michael (1615) | Lost 0-2 | -181591 |
| 11draft | 361 | Spitzer, Craig (1593) | Won 2-0 | +181609 |
| 12draft | 295 | Wu, Timothy (1883) | Won 2-1 | +231632 |
| 13draft | 291 | Kelly, Kenneth (1634) | Lost 1-2 | -181614 |
| 14draft | 343 | Castro, Robert (1771) | Lost 0-2 | -151599 |
| top | average opponent: 1676record: 9-5 | new rating: 1599 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 224 | Betts, Jonathan (1655) | Won 2-1 | +201518 |
| 2sealed | 303 | Cole, Allyson (1484) | Won 2-0 | +181536 |
| 3sealed | 104 | De Santis, Andrew (1536) | Lost 1-2 | -181518 |
| 4sealed | 597 | Murphy, Ryan (1514) | Won 2-0 | +181536 |
| 5sealed | 377 | Nadeau, Branden (1715) | Lost 1-2 | -151521 |
| 6sealed | 502 | Silbey, Patrick (1512) | Lost 1-2 | -181503 |
| top | average opponent: 1569record: 3-3 | new rating: 1503 | ||
| Grand Prix Milwaukee 2016 (KLD limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 119 | Stoeckman, Noah (1500) | Won 2-0 | +171551 |
| 2sealed | 182 | Ferris, Bob (1579) | Lost 0-2 | -171534 |
| 3sealed | 501 | Meyer, Ivan (1499) | Lost 0-2 | -191515 |
| 4sealed | 454 | Poellinger, Ethan (1556) | Lost 1-2 | -171498 |
| top | average opponent: 1534record: 1-3 | new rating: 1498 | ||
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 185 | Duan, Daniel (1591) | Lost 0-2 | -171518 |
| 3sealed | 481 | Lewman, Jordan (1499) | Won 2-1 | +181536 |
| 4sealed | 195 | Rizzi, Mattia (1936) | Won 2-1 | +241560 |
| 5sealed | 197 | Sochurek, Petr (1993) | Lost 0-2 | -101550 |
| 6sealed | 319 | Larson, Aaron (1644) | Lost 0-2 | -161534 |
| top | average opponent: 1733record: 2-3 | new rating: 1534 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 33 | Jiang, Shangliang (1555) | Lost 0-2 | -191574 |
| 2sealed | 216 | Houser, Graham (1482) | Lost 1-2 | -191555 |
| 3sealed | 286 | Richardson, Andrew (1463) | Lost 0-2 | -201535 |
| top | average opponent: 1500record: 0-3 | new rating: 1535 | ||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 21 | [anonymous] | Lost 1-2 | -161509 |
| 4standard | 246 | Patterson, Terry (1564) | Won 2-1 | +191528 |
| 5standard | 64 | Nelson, Jeremiah (1527) | Lost 0-0 | -181510 |
| 6standard | 191 | Earnest, John (1558) | Won 2-0 | +191529 |
| 7standard | 157 | Zell, Susan (1549) | Won 2-0 | +181547 |
| 8standard | 122 | Musser, Dan (1887) | Won 2-1 | +241571 |
| 9standard | 31 | Pulera, Scott (1556) | Won 2-1 | +181589 |
| 10standard | 35 | Clock, Kevin (1637) | Won 2-1 | +181607 |
| 11standard | 50 | Brankatelli, Matthew (1618) | Lost 1-2 | -171590 |
| 12standard | 56 | Smith, Jackson (1604) | Lost 1-2 | -181572 |
| 13standard | 96 | Foster, Justin (1587) | Won 2-1 | +181590 |
| 14standard | 58 | Yam, Wing Chun (1766) | Won 2-1 | +211611 |
| 15standard | 54 | Strehl, James (1585) | Lost 1-2 | -181593 |
| top | average opponent: 1621record: 8-5 | new rating: 1593 | ||
| Grand Prix Minneapolis 2012 (AVR standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 173 | Plumb, Andrew (1482) | Won 2-0 | +181521 |
| 2standard | 162 | Ojala, Luke (1512) | Lost 0-2 | -181503 |
| 3standard | 369 | Bartlett, Johnny (1500) | Won 1-0 | +181521 |
| 4standard | 156 | Viers, Trey (1533) | Won 2-0 | +181539 |
| 5standard | 98 | Tran, Chi K (1573) | Won 2-0 | +191558 |
| 6standard | 110 | Johnson-Epstein, Jasper (1733) | Lost 1-2 | -151543 |
| 7standard | 130 | Whitman, Tyler (1536) | Lost 0-2 | -181525 |
| top | average opponent: 1553record: 4-3 | new rating: 1525 | ||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 385 | Thomas, Michael (1497) | Won 2-0 | +181518 |
| 2sealed | 62 | McGuire, Curtis (1518) | Won 2-1 | +181536 |
| 3sealed | 45 | Potter, Luke (1518) | Lost 0-2 | -181518 |
| 4sealed | 185 | Risk, Jimmy K (1621) | Won 2-0 | +201538 |
| 5sealed | 205 | Goveia, Kevin (1504) | Won 2-1 | +171555 |
| 6sealed | 84 | Chapman, Dan (1597) | Won 2-1 | +191574 |
| 7sealed | 45 | Smart, Shawn (1572) | Lost 1-2 | -181556 |
| 8sealed | 163 | Farris, Billy (1549) | Won 2-0 | +181574 |
| 9sealed | 46 | Bedford, Daniel W (1582) | Won 2-1 | +181592 |
| 10draft | 65 | Wise, Nick (1685) | Lost 0-2 | -171575 |
| 11draft | 40 | Anderson, David (1575) | Lost 0-2 | -181557 |
| 12draft | 63 | Overturf, Ryan (1569) | Lost 0-2 | -171540 |
| 13draft | 68 | Marin, Julian (1522) | Lost 0-2 | -191521 |
| 14draft | 29 | Nguyen, Kenny (1526) | Lost 0-2 | -181503 |
| top | average opponent: 1560record: 7-7 | new rating: 1503 | ||