Herron, Devon
Current rating: 1681
Record: 32-20-1
| Grand Prix Kansas City 2019 (WAR standard) | starting rating: 1666 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 183 | Niehoff, Michael (1500) | Lost 1-2 | -211645 |
| 2standard | 219 | Curcio, Christine (1481) | Won 2-1 | +151660 |
| 3standard | 38 | Lipp, Niko (1503) | Won 2-0 | +161676 |
| 4standard | 173 | McDowell, Daniel (1527) | Won 0-0 | +151691 |
| 5standard | 114 | Ragusa, Joshua (1502) | Won 2-0 | +151706 |
| 6standard | 87 | Mahoney, Michael (1463) | Won 2-0 | +131719 |
| 7standard | 60 | Sager, Jeremy (1764) | Lost 0-2 | -171702 |
| 8standard | 90 | Thorpe, Brandon (1550) | Lost 0-2 | -211681 |
| top | average opponent: 1536record: 5-3 | new rating: 1681 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1703 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 313 | Hoth, Austin (1438) | Lost 1-2 | -231680 |
| 2modern | 723 | Smith, Robert (1584) | Won 2-1 | +171697 |
| 3modern | 705 | Schulz, Lucas (1515) | Won 2-1 | +141711 |
| 4modern | 355 | Lageman, Sean (1438) | Lost 0-2 | -231688 |
| 5modern | 635 | Sherman, Isaac (1466) | Lost 0-2 | -221666 |
| top | average opponent: 1488record: 2-3 | new rating: 1666 | ||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 318 | Smith, Amanda (1500) | Won 2-0 | +171575 |
| 2modern | 17 | Gardner, Austin (1559) | Won 2-0 | +181593 |
| 3modern | 148 | Hobson, David (1536) | Won 0-0 | +171610 |
| 4modern | 1010 | Pound, David (1531) | Draw 1-1 | -21608 |
| 5modern | 73 | Steele, Derrick (1723) | Won 2-0 | +211629 |
| 6modern | 38 | Nass, Matthew (1793) | Lost 1-2 | -161613 |
| 7modern | 102 | Carter, Alexandria (1591) | Won 2-0 | +181631 |
| 8modern | 59 | Douglas, Easton (1727) | Won 2-0 | +201651 |
| 9modern | 37 | Sumpter, Sam (1584) | Won 2-0 | +171668 |
| 10modern | 19 | Marino, Lee (1715) | Won 2-1 | +181686 |
| 11modern | 12 | Labrada, Joel (1647) | Won 2-1 | +181704 |
| 12modern | 6 | Snyder, Asa (1723) | Lost 1-2 | -181686 |
| 13modern | 19 | Franklin, Lance (1709) | Won 2-0 | +191705 |
| 14modern | 11 | Velez, Pablo (1635) | Won 2-1 | +161721 |
| 15modern | 8 | Foster, Daniel (1707) | Lost 1-2 | -181703 |
| top | average opponent: 1645record: 11-3-1 | new rating: 1703 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 129 | Nyberg, Michael (1752) | Won 2-0 | +221557 |
| 4sealed | 205 | Gottstein, Jeff (1650) | Lost 1-2 | -171540 |
| 5sealed | 303 | Smith, RJ (1539) | Won 2-0 | +181558 |
| 6sealed | 228 | Martin, Logan (1507) | Won 2-1 | +171575 |
| 7sealed | 150 | Raval, Mahendra (1534) | Won 2-0 | +181593 |
| 8sealed | 133 | Hobby, Richard (1597) | Lost 1-2 | -181575 |
| 9sealed | 178 | Chang, Morgan (1663) | Lost 0-2 | -171558 |
| top | average opponent: 1606record: 4-3 | new rating: 1558 | ||
| Grand Prix Kansas City 2013 (modern) | starting rating: 1578 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 81 | Lynch, Jeffrey T (1677) | Lost 0-2 | -161562 |
| 3modern | 295 | Points, Kamerin (1504) | Won 2-0 | +171579 |
| 4modern | 170 | Ellenwood, Eric (1518) | Won 2-0 | +171596 |
| 5modern | 127 | Nett, Brad (1519) | Won 2-1 | +161612 |
| 6modern | 50 | Creen, Logan (1523) | Lost 1-2 | -191593 |
| 7modern | 45 | Richter, Jon (1531) | Lost 0-2 | -191574 |
| 8modern | 162 | Peterson, Jeremy (1487) | Lost 1-2 | -201554 |
| 9modern | 183 | Snow, Joshua (1479) | Lost 1-2 | -191535 |
| top | average opponent: 1530record: 3-5 | new rating: 1535 | ||
| Grand Prix Kansas City 1999 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 22 | Grandon, Dan (1493) | Won 0-0 | +181518 |
| 4extended | 45 | Armstrong, Herman (1517) | Won 0-0 | +181536 |
| 5extended | 20 | Lauer, Erik (1831) | Won 0-0 | +231559 |
| 6extended | 3 | Tsai, Tony (1604) | Lost 0-0 | -171542 |
| 7extended | 8 | Maher, Bob (1540) | Lost 0-0 | -181524 |
| 8extended | 25 | Vulgamore, Jarrod (1538) | Won 2-0 | +181542 |
| 9extended | 17 | Stoffa, Gabriel (1520) | Won 0-0 | +181560 |
| 10extended | 9 | Maraj, Wade (1558) | Lost 0-0 | -181542 |
| 11extended | 18 | Hoffman, Heath (1554) | Won 0-0 | +181560 |
| 12extended | 11 | Lewis, Sam (1576) | Won 0-0 | +181578 |
| top | average opponent: 1573record: 7-3 | new rating: 1578 | ||