Abdullahad, David
Current rating: 1426
Record: 12-19-5
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1396 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 181 | Castrejon, Jose (1518) | Draw 1-1 | +21398 |
| 3standard | 229 | Elguea, Austin (1465) | Won 2-1 | +191417 |
| 4standard | 113 | Oliver, Gregory (1536) | Lost 1-2 | -151402 |
| 5standard | 235 | Finch, Tyler (1518) | Draw 1-1 | +21404 |
| 6standard | 313 | Cortes, Raul (1490) | Won 2-0 | +191423 |
| 7standard | 222 | Martinez, Angel (1561) | Draw 1-1 | +31426 |
| top | average opponent: 1515record: 2-1-3 | new rating: 1426 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1418 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 239 | Mullican, Zachary (1516) | Won 2-1 | +201438 |
| 3sealed | 110 | Cole, Jared (1537) | Lost 1-2 | -171421 |
| 4sealed | 321 | Christensen, Jory (1483) | Lost 1-2 | -171404 |
| 5sealed | 454 | Watkins, Chris (1417) | Won 2-0 | +191423 |
| 6sealed | 266 | stephens, seth (1516) | Won 2-1 | +191442 |
| 7sealed | 299 | Mispagel, Joey (1765) | Lost 0-2 | -121430 |
| 8sealed | 292 | Wibel, Shane (1432) | Lost 0-2 | -181412 |
| 9sealed | 281 | Ashline, Cory (1518) | Lost 0-2 | -161396 |
| top | average opponent: 1523record: 3-5 | new rating: 1396 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 176 | Rinaldi, Paul (1518) | Lost 1-2 | -181448 |
| 3standard | 307 | Gregath, Brent (1592) | Lost 0-2 | -151433 |
| 4standard | 434 | Diaz III, Elias (1416) | Won 2-0 | +181451 |
| 5standard | 365 | Schooley, Dale (1566) | Lost 1-2 | -161435 |
| 6standard | 380 | Gardner, Stevon R (1482) | Lost 0-2 | -171418 |
| top | average opponent: 1515record: 1-4 | new rating: 1418 | ||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 203 | Harper, Jacob S (1500) | Lost 0-2 | -181450 |
| 2sealed | 403 | Fraley, Jason N (1482) | Won 2-0 | +191469 |
| 3sealed | 288 | Norwood, Edward (1500) | Won 2-1 | +181487 |
| 4sealed | 230 | Rabionet Janssen, Raul (1672) | Won 2-1 | +221509 |
| 5sealed | 298 | Corso, Louis (1883) | Lost 0-2 | -121497 |
| 6sealed | 160 | Rivera, Erik (1529) | Lost 1-2 | -171480 |
| 7sealed | 207 | Imaizumi, Riku (1501) | Lost 0-2 | -181462 |
| 8sealed | 195 | Gennari Souza, Juliano (1629) | Won 2-1 | +211483 |
| 9sealed | 143 | Toups, Robert (1497) | Lost 1-2 | -171466 |
| top | average opponent: 1577record: 4-5 | new rating: 1466 | ||
| Grand Prix Austin 2012 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 48 | Hendrickson, Mark (1634) | Lost 0-2 | -161484 |
| 5sealed | 202 | Martin, Ruben (1503) | Won 2-1 | +191503 |
| 6sealed | 41 | Holderfield, Drew T (1517) | Lost 0-2 | -181485 |
| 7sealed | 156 | May, Parker (1523) | Lost 0-2 | -171468 |
| top | average opponent: 1544record: 1-3 | new rating: 1468 | ||
| Grand Prix Houston 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 2 | Orr, James (1500) | Draw 1-1 | 01500 |
| 2extended | 159 | Memmel, Jesse (1500) | Draw 1-1 | 01500 |
| 3extended | 221 | Mooney, Malachi T (1500) | Won 2-0 | +181518 |
| 4extended | 191 | Cummings, Michael J (1517) | Lost 1-2 | -181500 |
| top | average opponent: 1504record: 1-1-2 | new rating: 1500 | ||