Howard, Duncan
Current rating: 1621
Record: 22-18-2
| Grand Prix Richmond 2014 (modern) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1376 | Gonzalez, Alejandro (1443) | Won 2-1 | +181478 |
| 2modern | 1080 | Williams, Mike (1492) | Lost 0-2 | -181460 |
| 3modern | 1450 | Zack, Michael (1448) | Won 2-1 | +181478 |
| 4modern | 1350 | Bautista, Gino (1489) | Won 2-1 | +181496 |
| 5modern | 1151 | Perrien, Michael (1504) | Won 2-1 | +181514 |
| 6modern | 1110 | Guy, Aaron (1620) | Won 2-0 | +201534 |
| 7modern | 1033 | Smith, Derric (1524) | Won 2-1 | +181552 |
| 8modern | 1029 | Sittner, Alex (1878) | Lost 0-2 | -121540 |
| 9modern | 1072 | Derczo, Michael (1804) | Won 2-0 | +221562 |
| 10modern | 100 | Heath, Joel (1681) | Won 2-0 | +211583 |
| 11modern | 89 | Boccio, Benjamin (1645) | Draw 1-1 | +11584 |
| 12modern | 88 | Farrell, Alexander (1619) | Won 2-1 | +181602 |
| 13modern | 56 | McAllister, Bob (1528) | Won 2-1 | +171619 |
| 14modern | 31 | Nguyen, Minh (1629) | Lost 1-2 | -181601 |
| 15modern | 65 | Seder, Robert (1706) | Won 2-0 | +201621 |
| top | average opponent: 1601record: 11-3-1 | new rating: 1621 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1396 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 286 | Waltzer, Silas (1546) | Won 2-1 | +211417 |
| 3standard | 105 | Goldstein, Scott (1606) | Lost 1-2 | -151402 |
| 4standard | 387 | Rafferty, Dillon (1499) | Won 2-0 | +201422 |
| 5standard | 309 | Lange, Brian (1484) | Won 2-1 | +191441 |
| 6standard | 193 | Morey, Tyler (1545) | Lost 1-2 | -161425 |
| 7standard | 235 | McClure, Blake (1651) | Won 2-1 | +221447 |
| 8standard | 222 | Jones, Greg S (1539) | Won 2-0 | +201467 |
| 9standard | 153 | Leshen, Justin (1572) | Won 2-0 | +201487 |
| 10standard | 89 | Cornwell-Shiel, Chris (1542) | Lost 1-2 | -171470 |
| 11standard | 94 | Grabowski, Richard (1581) | Lost 1-2 | -161454 |
| 12standard | 84 | Cho, Joshua (1692) | Lost 1-2 | -141440 |
| 13standard | 91 | Falcioni, Matthew (1487) | Draw 1-1 | +11441 |
| 14standard | 86 | Kovalcik, Stephen M (1514) | Won 2-1 | +191460 |
| top | average opponent: 1558record: 7-5-1 | new rating: 1460 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 185 | Marotte, Timothy (1500) | Lost 1-2 | -171448 |
| 3sealed | 477 | Demello, Derek (1502) | Lost 0-2 | -171431 |
| 4sealed | 589 | Longo, Tyler (1476) | Lost 0-2 | -171414 |
| 5sealed | 677 | Broderick, Patrick A (1462) | Won 2-0 | +181432 |
| 6sealed | 565 | Hochman, Jen (1467) | Lost 0-2 | -171415 |
| 7sealed | 486 | Robillard, Kyle (1423) | Lost 1-2 | -181397 |
| 8sealed | 403 | Siliekus, Michael (1322) | Won 2-0 | +171414 |
| 9sealed | 316 | San Diego, Ian (1433) | Lost 0-2 | -181396 |
| top | average opponent: 1448record: 2-6 | new rating: 1396 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 215 | Lambert, Christopher (1504) | Won 2-0 | +181518 |
| 3standard | 52 | Andrews, Jonathan R (1605) | Won 2-0 | +201538 |
| 4standard | 95 | Burham, Michael (1522) | Lost 0-2 | -191519 |
| 5standard | 294 | Quintero, Pedro (1450) | Lost 1-2 | -191500 |
| 6standard | 279 | Holstein, Henry (1534) | Lost 1-2 | -171483 |
| 7standard | 369 | Puhlman, Ashley M (1503) | Lost 0-2 | -181465 |
| top | average opponent: 1520record: 2-4 | new rating: 1465 | ||