Dunn, Charles
Current rating: 1557
Record: 17-15-1
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 159 | Norris, James (1396) | Lost 1-2 | -201507 |
| 2standard | 422 | Lirley, Steve (1483) | Won 2-0 | +181525 |
| 3standard | 268 | Miller, Michael (1593) | Lost 0-2 | -171508 |
| 4standard | 447 | Gilinngs, Adam (1479) | Won 2-0 | +171525 |
| 5standard | 383 | Kabler, Drake (1453) | Won 2-0 | +171542 |
| 6standard | 226 | Ramsay, Adam (1594) | Won 2-1 | +191561 |
| 7standard | 123 | Yunker, Mathew (1542) | Won 2-0 | +181579 |
| 8standard | 89 | Hardwick, Richard (1641) | Lost 0-2 | -171562 |
| 9standard | 227 | Schroeder, Tyler (1877) | Won 2-1 | +231585 |
| 10standard | 106 | Rubin, Steve (2040) | Lost 0-2 | -101575 |
| 11standard | 161 | Johnson, Derek (1613) | Won 2-1 | +191594 |
| 12standard | 112 | Porter, Michael (1576) | Won 2-0 | +171611 |
| 13standard | 109 | Shukla, Neeraj (1747) | Lost 0-2 | -151596 |
| 14standard | 99 | Buchanan, Drew (1469) | Lost 0-2 | -201576 |
| 15standard | 111 | Clas, Gerald (1549) | Lost 0-2 | -191557 |
| top | average opponent: 1604record: 8-7 | new rating: 1557 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 767 | Johnson, Steven (1463) | Won 2-0 | +171521 |
| 2modern | 183 | Rashid, Taimur (1518) | Lost 0-2 | -181503 |
| 3modern | 557 | Thomas, Paul (1484) | Lost 1-2 | -181485 |
| 4modern | 1147 | Rapking, Ethan (1481) | Won 2-0 | +171502 |
| 5modern | 904 | Espada, Antonio (1476) | Won 2-0 | +181520 |
| 6modern | 571 | Forst, Mitchell (1614) | Won 2-0 | +201540 |
| 7modern | 358 | Moulton, Jesse (1862) | Lost 1-2 | -131527 |
| top | average opponent: 1557record: 4-3 | new rating: 1527 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 30 | Terzakis, John (1518) | Won 2-1 | +181519 |
| 3standard | 135 | Beard, Eric Z (1521) | Lost 0-2 | -181501 |
| 4standard | 301 | Chmielewski, Nicholas (1511) | Won 2-1 | +181519 |
| 5standard | 250 | Sheppard, Josh (1500) | Won 2-1 | +181537 |
| 6standard | 152 | Sitarski, Matt (1732) | Lost 1-2 | -151522 |
| 7standard | 139 | Arenas, Alejandro (1487) | Lost 1-2 | -181504 |
| top | average opponent: 1545record: 3-3 | new rating: 1504 | ||
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 297 | Duggan, Matthew [USA] (1434) | Won 2-1 | +171517 |
| 2standard | 130 | Wludyka, Joshua (1675) | Lost 1-2 | -151502 |
| 3standard | 327 | Pawelzik, Gery (1472) | Won 2-0 | +171519 |
| 4standard | 232 | Wong, Ben (1494) | Draw 1-1 | 01519 |
| 5standard | 333 | Grove, Seth J (1516) | Lost 0-2 | -181501 |
| top | average opponent: 1518record: 2-2-1 | new rating: 1501 | ||