Simon, Gregory
Current rating: 1405
Record: 31-36-3
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 82 | Herod, Jim (1462) | Lost 1-2 | -181440 |
| 2modern | 298 | Phelps, Hayley (1483) | Lost 0-2 | -181422 |
| 3modern | 433 | Dubay, David (1445) | Lost 1-2 | -171405 |
| top | average opponent: 1463record: 0-3 | new rating: 1405 | ||
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 286 | Farley, Ryan (1390) | Won 2-0 | +161465 |
| 2standard | 120 | Collins, Elijah (1498) | Lost 1-2 | -171448 |
| 3standard | 249 | Milligan, Lamar (1467) | Won 2-0 | +181466 |
| 4standard | 297 | Henneke, Sarah (1515) | Won 2-0 | +191485 |
| 5standard | 195 | Black, Samuel (1897) | Draw 1-1 | +71492 |
| 6standard | 138 | Muniz, Jorge (1608) | Lost 0-2 | -161476 |
| 7standard | 218 | Webber, Chad (1427) | Lost 1-2 | -181458 |
| top | average opponent: 1543record: 3-3-1 | new rating: 1458 | ||
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 134 | Van Scyoc, Lenny (1433) | Draw 1-1 | -11483 |
| 2standard | 290 | Ferris, Robert (1535) | Won 2-1 | +191502 |
| 3standard | 282 | Martino, Kyle (1499) | Won 2-0 | +181520 |
| 4standard | 153 | Cripps, Alex (1522) | Lost 0-2 | -181502 |
| 5standard | 283 | Levy, Alec (1521) | Lost 1-2 | -181484 |
| 6standard | 389 | Staudinger, Gregory (1504) | Lost 0-2 | -181466 |
| 7standard | 375 | Stabenow, Owen (1478) | Lost 0-2 | -171449 |
| top | average opponent: 1499record: 2-4-1 | new rating: 1449 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 217 | Piper, Jeremy (1465) | Lost 1-2 | -181465 |
| 2legacy | 710 | Noyce, Fred (1482) | Lost 1-2 | -181447 |
| 3legacy | 1159 | Gallagher, Matthew (1449) | Won 2-1 | +181465 |
| 4legacy | 1057 | Riley, Jay (1464) | Lost 1-2 | -181447 |
| 5legacy | 1038 | Brook, Lee (1442) | Won 2-0 | +181465 |
| 6legacy | 936 | Doudican, Dayton (1446) | Won 2-0 | +181483 |
| 7legacy | 728 | Carbajal, Mark (1499) | Won 2-1 | +181501 |
| 8legacy | 2140 | Brantley, Stephen (1537) | Lost 1-2 | -171484 |
| top | average opponent: 1473record: 4-4 | new rating: 1484 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 54 | Koger, Eric (1492) | Lost 1-2 | -201540 |
| 2modern | 657 | Harder, Gideon (1467) | Lost 0-2 | -191521 |
| 3modern | 991 | Chang, Michael (1464) | Lost 0-2 | -191502 |
| 4modern | 1029 | Newman, Chelsea (1444) | Lost 0-2 | -191483 |
| top | average opponent: 1467record: 0-4 | new rating: 1483 | ||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 450 | Andersen, Janus Skovby (1500) | Won 2-0 | +171560 |
| 2legacy | 318 | Wessel, Christopher (1504) | Won 2-0 | +171577 |
| 3legacy | 254 | Byrne, Tyler (1511) | Lost 1-2 | -191558 |
| 4legacy | 353 | Fernandez, Seth (1517) | Lost 1-2 | -191539 |
| 5legacy | 572 | Huteson, Tom (1756) | Won 2-1 | +221561 |
| 6legacy | 339 | Hathaway, Jay (1523) | Won 2-1 | +171578 |
| 7legacy | 270 | Dy, Michael (1644) | Lost 1-2 | -171561 |
| 8legacy | 292 | ODonnell, John (1515) | Lost 0-2 | -191542 |
| 9legacy | 288 | Leon Jr, Luciano (1504) | Won 2-0 | +181560 |
| top | average opponent: 1553record: 5-4 | new rating: 1560 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 253 | Manis, Scott (1500) | Won 2-0 | +171565 |
| 2sealed | 63 | Tyler, Joshua (1517) | Won 2-0 | +171582 |
| 3sealed | 10 | Ladnier, Andrew (1481) | Lost 0-2 | -191563 |
| 4sealed | 205 | Sobottka, Harris (1455) | Lost 0-2 | -201543 |
| top | average opponent: 1488record: 2-2 | new rating: 1543 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 867 | Pennington, Johnathan (1571) | Won 2-1 | +191553 |
| 2legacy | 716 | Boyd, Desmond (1518) | Won 2-0 | +171570 |
| 3legacy | 979 | Brech, Alex (1536) | Lost 0-2 | -191551 |
| 4legacy | 1043 | Kesselhaut, Zachary (1470) | Won 2-0 | +171568 |
| 5legacy | 674 | Long, Robert (1660) | Won 2-0 | +191587 |
| 6legacy | 708 | Kennedy, Daniel (1521) | Lost 0-2 | -191568 |
| 7legacy | 761 | Parnell, Jesse (1535) | Won 2-1 | +181586 |
| 8legacy | 692 | Abong, Jeffrey (1592) | Lost 0-2 | -181568 |
| 9legacy | 705 | McCoy, Steven (1479) | Lost 1-2 | -201548 |
| top | average opponent: 1542record: 5-4 | new rating: 1548 | ||
| Grand Prix Minneapolis 2012 (AVR standard) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 31 | Weber, Matt (1499) | Lost 0-2 | -191537 |
| 2standard | 369 | Rudesill, Jake (1482) | Won 2-0 | +171554 |
| 3standard | 373 | Rocha, Jerret (1544) | Lost 1-2 | -191535 |
| 4standard | 380 | Mcpherson, Matt (1484) | Won 2-0 | +181553 |
| 5standard | 353 | Felker, Alex (1516) | Lost 1-2 | -191534 |
| top | average opponent: 1505record: 2-3 | new rating: 1534 | ||
| Grand Prix Minneapolis 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 78 | Carlson, Brendan (1500) | Won 2-1 | +181518 |
| 2block | 31 | Day, Michael (1530) | Draw 1-1 | 01518 |
| 3block | 60 | Metcalf, Cole (1518) | Won 2-0 | +181536 |
| 4block | 55 | Sorrell, James (1537) | Won 2-0 | +181554 |
| 5block | 27 | Woodward, Jamie (1539) | Won 2-0 | +181572 |
| 6block | 73 | Weil, Noah (1805) | Lost 1-2 | -141558 |
| 7block | 38 | Rudd, Shawn (1540) | Won 2-0 | +181576 |
| 8block | 22 | Jones, Trevor (1585) | Won 2-1 | +181594 |
| 9block | 13 | Wolter, Greg (1562) | Lost 0-2 | -191575 |
| 10block | 23 | Turtenwald, Owen (1508) | Lost 1-2 | -191556 |
| 11block | 27 | Spindler, Ryan (1526) | Won 2-1 | +181574 |
| 12block | 21 | Postlethwait, William (1644) | Lost 0-2 | -171557 |
| 13block | 26 | McGowan, Brian (1482) | Won 2-0 | +171574 |
| 14block | 21 | Garber, Jacob (1581) | Lost 0-2 | -181556 |
| top | average opponent: 1561record: 8-5-1 | new rating: 1556 | ||