Thomas, Geoffrey
Current rating: 1751 (#3844)
Record: 27-11-3
| Grand Prix Charlotte 2015 (modern) | starting rating: 1798 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1360 | O'Connor, Kevin B (1463) | Won 2-1 | +121810 |
| 2modern | 1347 | Jeannin, Jules (1469) | Won 2-0 | +121822 |
| 3modern | 1318 | Hayes, James (1457) | Lost 0-2 | -251797 |
| 4modern | 1366 | Keener, Adam (1538) | Lost 1-2 | -221775 |
| 5modern | 1299 | Horner, Justin (1444) | Lost 1-2 | -241751 |
| top | average opponent: 1474record: 2-3 | new rating: 1751 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1687 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 12 | Velasquez, Gonzalo (1465) | Won 2-1 | +141701 |
| 4modern | 85 | Bowman, James (1537) | Won 2-0 | +151716 |
| 5modern | 48 | Vaughan, Robert (1586) | Won 2-1 | +161732 |
| 6modern | 35 | Castro Mahoney, Roberto (1662) | Draw 1-1 | -11731 |
| 7modern | 20 | Fortner, Phillip (1780) | Won 2-1 | +191750 |
| 8modern | 10 | Grazier, Jeremy (1679) | Won 2-1 | +161766 |
| 9modern | 6 | Anderson, Bryan (1516) | Won 2-1 | +141780 |
| 10modern | 6 | Walker, Noah (1979) | Draw 1-1 | +31783 |
| 11modern | 29 | Scott-Vargas, Luis (1942) | Won 2-1 | +211804 |
| 12modern | 16 | Parke, Jamie (1797) | Lost 0-2 | -181786 |
| 13modern | 49 | Nowakowski, Brian (1656) | Won 2-1 | +161802 |
| 14modern | 29 | Dowis, Aaron (1658) | Lost 1-2 | -211781 |
| 15modern | 58 | Ambler, Kevin (1697) | Won 2-0 | +171798 |
| top | average opponent: 1689record: 9-2-2 | new rating: 1798 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1632 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 795 | Landaira, Noah (1500) | Won 2-0 | +151647 |
| 2sealed | 934 | Riccione, Jeremy (1614) | Lost 1-2 | -181629 |
| 3sealed | 931 | Wright, Robert (1500) | Won 2-0 | +151644 |
| 4sealed | 1024 | Bohannon, Gabriel (1518) | Won 2-0 | +161660 |
| 5sealed | 892 | Harris, Edwin (1502) | Won 2-0 | +151675 |
| 6sealed | 712 | Lee, Chris (1521) | Won 2-0 | +151690 |
| 7sealed | 745 | Hovis, Ryan (1824) | Lost 1-2 | -151675 |
| 8sealed | 401 | Carlson, Michael (1555) | Won 2-1 | +161691 |
| 9sealed | 344 | Bradbury, Jesse (1594) | Won 2-0 | +161707 |
| 10sealed | 90 | Vizaro, Justin (1622) | Lost 0-2 | -201687 |
| top | average opponent: 1575record: 7-3 | new rating: 1687 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 91 | Marmulstein, Rion (1577) | Draw 1-1 | +11501 |
| 5standard | 114 | Meng, Eric (1813) | Lost 1-2 | -121489 |
| 6standard | 234 | Frias, Marc (1485) | Won 2-1 | +181507 |
| 7standard | 156 | Beaver, Jeremy (1537) | Won 2-1 | +181525 |
| 8standard | 85 | Lowry, Anthony (1561) | Won 2-1 | +191544 |
| 9standard | 50 | Stevens, Justin (1578) | Won 2-1 | +191563 |
| 10standard | 28 | Berlin, Adam (1539) | Won 2-0 | +171580 |
| 11standard | 18 | Reid, James (1609) | Won 2-0 | +191599 |
| 12standard | 9 | Nelson, Brad (1860) | Won 2-0 | +221621 |
| 13standard | 5 | Lee, Jackie (1774) | Lost 0-2 | -151606 |
| 14standard | 17 | Cicio, Joshua (1757) | Lost 0-2 | -151591 |
| 15standard | 31 | Schmidt, Joseph (1757) | Won 2-1 | +211612 |
| 16standard | 18 | Wilson, Gregg A (1704) | Won 2-1 | +201632 |
| top | average opponent: 1658record: 9-3-1 | new rating: 1632 | ||