Curfman, Charles
Current rating: 1466
Record: 20-23
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 203 | Padovano, Robert (1500) | Won 2-0 | +181518 |
| 2standard | 300 | Shilander, Robert (1603) | Lost 1-2 | -171501 |
| 3standard | 400 | Marino, Daniel (1500) | Lost 1-2 | -181483 |
| 4standard | 646 | Resendez, Festus (1560) | Lost 0-2 | -161467 |
| 5standard | 619 | Miller, Chad (1431) | Won 0-0 | +171484 |
| 6standard | 519 | White, Marcus (1480) | Lost 0-2 | -181466 |
| top | average opponent: 1512record: 2-4 | new rating: 1466 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 479 | Guo, Michelle (1377) | Won 2-0 | +151537 |
| 2sealed | 180 | Hall, Bradley (1540) | Lost 0-2 | -181519 |
| 3sealed | 420 | Cox, Michael (1527) | Lost 0-2 | -181501 |
| 4sealed | 430 | Barrett, Tommy (1482) | Won 2-1 | +181519 |
| 5sealed | 373 | Velarde, Alex (1464) | Lost 0-2 | -191500 |
| top | average opponent: 1478record: 2-3 | new rating: 1500 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 36 | Liese, Tyson (1500) | Lost 0-2 | -181492 |
| 2standard | 583 | Rider, Brian (1497) | Won 2-0 | +181510 |
| 3standard | 468 | Kot, Steven (1498) | Won 2-0 | +171527 |
| 4standard | 245 | Graham, Sam (1485) | Won 2-1 | +181545 |
| 5standard | 115 | Nguyen, Vinh (1430) | Lost 0-2 | -201525 |
| 6standard | 373 | Martinez, Ricardo (1526) | Won 2-0 | +181543 |
| 7standard | 243 | Zhang, Yinan (1546) | Won 2-1 | +181561 |
| 8standard | 164 | Weber, Brian (1564) | Won 2-0 | +181579 |
| 9standard | 55 | MacBilliuray, Joseph (1575) | Won 2-0 | +181597 |
| 10standard | 50 | Haughey, Colin (1568) | Lost 0-2 | -191578 |
| 11standard | 75 | Wu, Yu-Ta (1497) | Lost 1-2 | -191559 |
| 12standard | 69 | Archambault, Greg (1559) | Lost 1-2 | -181541 |
| 13standard | 76 | Holladay, Ross (1476) | Lost 1-2 | -201521 |
| 14standard | 76 | Branham, Raymond (1493) | Lost 1-2 | -181503 |
| 15standard | 75 | Goggin, James (1545) | Won 2-0 | +191522 |
| top | average opponent: 1517record: 8-7 | new rating: 1522 | ||
| Grand Prix Denver 2013 (legacy) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 46 | Niederauer, Ethan (1500) | Won 2-0 | +191500 |
| 2legacy | 84 | Kurtin, Matthew R (1531) | Won 2-1 | +181518 |
| 3legacy | 79 | McCluskie, Ted (1539) | Lost 1-2 | -171501 |
| 4legacy | 128 | Gates, James (1695) | Won 2-1 | +211522 |
| 5legacy | 77 | Lorenz, Lucas (1505) | Lost 1-2 | -181504 |
| 6legacy | 209 | Korb, Silas (1445) | Won 2-1 | +171521 |
| 7legacy | 97 | Gleicher, David (1914) | Lost 1-2 | -111510 |
| top | average opponent: 1590record: 4-3 | new rating: 1510 | ||
| Grand Prix Denver 2011 (MBS limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 432 | Kim, Alex (1781) | Won 2-1 | +231511 |
| 3sealed | 421 | Willis, Brandon (1577) | Won 2-1 | +191530 |
| 4sealed | 404 | Tobler, Christopher J (1558) | Lost 0-2 | -171513 |
| 5sealed | 455 | Pannell, Thomas (1623) | Lost 0-2 | -161497 |
| 6sealed | 469 | Berni, Roberto (1646) | Lost 0-2 | -161481 |
| top | average opponent: 1637record: 2-3 | new rating: 1481 | ||
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 172 | Hammond, John (1482) | Lost 0-2 | -181482 |
| 2block | 247 | Peterson, Jet (1465) | Won 2-0 | +171499 |
| 3block | 215 | Shields, Matt (1501) | Won 2-0 | +181517 |
| 4block | 89 | Mantey, Tyler (1916) | Lost 0-2 | -111506 |
| 5block | 193 | Malone, Matthew (1483) | Lost 1-2 | -181488 |
| top | average opponent: 1569record: 2-3 | new rating: 1488 | ||