Tapia, David
Current rating: 1389
Record: 3-9
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 306 | Phillips, Bradley (1500) | Lost 0-2 | -171427 |
| 2standard | 423 | Mestas, Andrew (1482) | Won 2-1 | +191446 |
| 3standard | 382 | Robbins, Casey (1466) | Lost 0-2 | -171429 |
| 4standard | 468 | Price, Jared W (1482) | Lost 0-2 | -171412 |
| 5standard | 477 | Tam, Wai (1135) | Lost 0-2 | -231389 |
| average opponent: 1413record: 1-4 | new rating: 1389 | |||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 326 | Weatherford, James (1458) | Lost 1-2 | -191481 |
| 2standard | 316 | Black, Adam (1481) | Won 2-1 | +181499 |
| 3standard | 351 | Gooden, Alan T (1502) | Lost 0-2 | -181481 |
| 4standard | 473 | Hamilton, Desiree (1481) | Won 2-1 | +181499 |
| 5standard | 336 | Vex K., (1499) | Lost 0-2 | -181481 |
| 6standard | 350 | Stone, Colin (1483) | Lost 1-2 | -181463 |
| 7standard | 303 | Brenner, Scott K (1415) | Lost 0-2 | -191444 |
| average opponent: 1474record: 2-5 | new rating: 1444 | |||