Griffin, Thomas
Current rating: 1866 (#962)
Record: 58-30-5
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1796 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 289 | Rodriguez, Robert (1477) | Won 2-1 | +121808 |
| 2modern | 84 | Martin, Danny (1478) | Won 2-0 | +131821 |
| 3modern | 214 | Joseph, Leon (1590) | Won 2-0 | +141835 |
| 4modern | 61 | Ferraiuolo, Vincent (1736) | Won 2-0 | +161851 |
| 5modern | 46 | Smith, Frank (1621) | Won 2-0 | +141865 |
| 6modern | 2 | Cornelius, Derek (1613) | Won 2-1 | +131878 |
| 7modern | 13 | Ross, Tom (1942) | Won 2-1 | +191897 |
| 8modern | 5 | Ambler, Kevin (1680) | Lost 1-2 | -221875 |
| 9modern | 6 | Watson, Brandon (1634) | Lost 1-2 | -221853 |
| 10modern | 35 | Nicholas, Gabriel (1729) | Won 2-0 | +161869 |
| 11modern | 17 | Raines, Joseph (1612) | Lost 0-2 | -231846 |
| 12modern | 56 | Markson, Samuel (1585) | Won 2-0 | +141860 |
| 13modern | 33 | Speck, Michael (1615) | Lost 0-2 | -231837 |
| 14modern | 45 | Pinckard, Jett (1597) | Won 2-0 | +141851 |
| 15modern | 29 | Johnson, KC (1663) | Won 2-0 | +151866 |
| top | average opponent: 1638record: 11-4 | new rating: 1866 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1751 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 457 | Wilson, John David (1553) | Won 2-1 | +151766 |
| 2modern | 347 | Donato, Marino (1779) | Lost 0-2 | -181748 |
| 3modern | 396 | Ball, Justin (1434) | Won 2-1 | +121760 |
| 4modern | 372 | Patterson, Bradley (1542) | Won 2-1 | +141774 |
| 5modern | 185 | Nguyen, Daniel (1750) | Won 2-0 | +181792 |
| 6modern | 55 | Young, Derek (1662) | Won 2-0 | +161808 |
| 7modern | 73 | Sanders, Ryan (1659) | Won 2-0 | +151823 |
| 8modern | 34 | Dunn, Zach (1863) | Lost 0-2 | -171806 |
| 9modern | 74 | Gonzalez, Juan Pablo (1765) | Won 2-1 | +171823 |
| 10modern | 98 | Martinez, Steven (1603) | Won 2-0 | +141837 |
| 11modern | 16 | Weinreich, Brian (1673) | Draw 1-1 | -31834 |
| 12modern | 38 | Gault, Dustin (1773) | Lost 1-2 | -191815 |
| 13modern | 66 | Slone, Steven (1776) | Lost 0-2 | -191796 |
| top | average opponent: 1679record: 8-4-1 | new rating: 1796 | ||
| Grand Prix Phoenix 2018 (modern) | starting rating: 1683 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 207 | Ozga, Brian (1511) | Won 2-0 | +151698 |
| 2modern | 99 | Juracek, Cole (1518) | Lost 1-2 | -211677 |
| 3modern | 406 | Sharpe, Richard (1497) | Won 2-1 | +151692 |
| 4modern | 376 | Center, Laura (1518) | Won 2-1 | +151707 |
| 5modern | 261 | Cuillier, Paul (1762) | Won 2-1 | +191726 |
| 6modern | 59 | Whites, Marc (1524) | Won 2-1 | +141740 |
| 7modern | 63 | Pedro, Michelle (1555) | Won 2-1 | +151755 |
| 8modern | 16 | Smith, Pierre (1535) | Won 2-1 | +141769 |
| 9modern | 18 | Herrera, Christopher (1634) | Won 2-1 | +151784 |
| 10modern | 19 | Turensky, Benjamin (1653) | Won 2-1 | +161800 |
| 11modern | 8 | Laughlin, Pierson (1992) | Lost 1-2 | -151785 |
| 12modern | 10 | Paglia, Vincent (1669) | Draw 1-1 | -21783 |
| 13modern | 20 | Pardee, Samuel (2055) | Lost 0-2 | -131770 |
| 14modern | 37 | Carewicz, Cameron (1781) | Lost 0-2 | -181752 |
| 15modern | 55 | Secrest, Nathan (1691) | Draw 1-1 | -11751 |
| top | average opponent: 1660record: 9-4-2 | new rating: 1751 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1651 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 1 | Finn, Paul (1437) | Won 2-1 | +141665 |
| 2standard | 97 | Gannan, Zach (1455) | Won 2-1 | +151680 |
| 3standard | 191 | Livingston, Lee (1674) | Won 2-0 | +171697 |
| 4standard | 105 | Lachney, Donovan (1541) | Lost 0-2 | -201677 |
| 5standard | 120 | Ginsburg, Adam (1541) | Lost 0-2 | -211656 |
| 6standard | 220 | Ciarlanti, Ralph (1576) | Lost 0-2 | -191637 |
| 7standard | 263 | Remmey, Jedediah (1549) | Won 2-0 | +161653 |
| 8standard | 259 | D'Amato, Christopher (1524) | Won 2-0 | +161669 |
| 9standard | 228 | Catalano, Jeffrey (1610) | Won 2-0 | +171686 |
| 10standard | 98 | Zezula, John (1624) | Lost 1-2 | -191667 |
| 11standard | 134 | Iafrate, Drew (1754) | Lost 1-2 | -171650 |
| 12standard | 155 | Roberts, Eric (1516) | Won 2-1 | +161666 |
| 13standard | 132 | Sun, Allen (1835) | Lost 0-2 | -151651 |
| 14standard | 130 | Davis, Scott (1632) | Won 2-0 | +171668 |
| 15standard | 118 | Otwell, Christopher (1497) | Won 2-0 | +151683 |
| top | average opponent: 1584record: 9-6 | new rating: 1683 | ||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 38 | Cashiola, Stephen (1500) | Lost 1-2 | -201588 |
| 2modern | 565 | Gottleber, Richard (1443) | Won 2-0 | +151603 |
| 3modern | 805 | DeLaney, JR (1502) | Won 2-0 | +161619 |
| 4modern | 464 | Flint, David (1571) | Won 2-0 | +171636 |
| 5modern | 179 | Cook, Sonja (1533) | Won 2-0 | +171653 |
| 6modern | 156 | Burroughs, Andrew (1563) | Won 2-0 | +161669 |
| 7modern | 35 | London, David (1552) | Won 2-1 | +161685 |
| 8modern | 20 | Mei, Mike Songhao (1757) | Lost 1-2 | -171668 |
| 9modern | 166 | DeBruin, Jon (1576) | Lost 1-2 | -201648 |
| 10modern | 248 | McShea, Kevin (1865) | Draw 1-1 | +41652 |
| 11modern | 212 | Keating, Michael (1592) | Draw 1-1 | -11651 |
| top | average opponent: 1587record: 6-3-2 | new rating: 1651 | ||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1564 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 305 | Chada, Evan (1612) | Lost 1-2 | -171547 |
| 2modern | 418 | Welter, John (1506) | Won 2-1 | +171564 |
| 3modern | 461 | Fernando, Ronald (1467) | Won 0-0 | +171581 |
| 4modern | 298 | Becker, Ethan (1484) | Lost 1-2 | -201561 |
| 5modern | 480 | Wells, Ross (1456) | Won 2-0 | +161577 |
| 6modern | 280 | Holmes, Jacob [USA] (1525) | Won 2-1 | +171594 |
| 7modern | 200 | Garcia, Rafael (1494) | Won 2-1 | +161610 |
| 8modern | 101 | Stevens, Todd (1547) | Won 2-0 | +171627 |
| 9modern | 103 | May, Taylor (1508) | Won 2-1 | +161643 |
| 10modern | 37 | Schoolcraft-McCuen, Nicholas (1575) | Lost 1-2 | -191624 |
| 11modern | 72 | Courtright, Kevin (1513) | Won 2-0 | +161640 |
| 12modern | 46 | Miller, David (1517) | Won 2-1 | +151655 |
| 13modern | 23 | Majlaton, Alex (1814) | Lost 0-2 | -151640 |
| 14modern | 46 | Black, Kevin (1579) | Lost 0-2 | -191621 |
| 15modern | 60 | Hunt, Matthias (1880) | Lost 1-2 | -131608 |
| top | average opponent: 1565record: 9-6 | new rating: 1608 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 45 | Ontiveros, Carlos (1500) | Won 2-1 | +181518 |
| 2standard | 205 | Bowden, Curt (1500) | Won 2-1 | +181536 |
| 3standard | 174 | Winterscheidt, Gene (1536) | Lost 1-2 | -181518 |
| 4standard | 234 | Tierney, Matt (1547) | Lost 0-2 | -181500 |
| 5standard | 343 | Wendt, Francis (1455) | Won 2-1 | +171517 |
| 6standard | 309 | Montgomery, Stoney (1457) | Won 2-0 | +171534 |
| 7standard | 151 | McShea, Kevin (1624) | Won 2-1 | +201554 |
| 8standard | 146 | Merced, Davis (1661) | Won 2-0 | +201574 |
| 9standard | 110 | Hwang, Eugene (2067) | Lost 1-2 | -101564 |
| top | average opponent: 1594record: 6-3 | new rating: 1564 | ||