Preston, Matt
Current rating: 1453
Record: 3-6-1
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 160 | Bowen, Ken (1413) | Won 2-0 | +171481 |
| 2standard | 70 | Varsallona, Michelle (1520) | Draw 1-1 | +11482 |
| 3standard | 290 | COLLINS, PAUL (1518) | Won 2-0 | +191501 |
| 4standard | 215 | Levin, Drew (1792) | Lost 0-2 | -131488 |
| 5standard | 363 | Johnson, Vincent (1594) | Lost 0-2 | -161472 |
| 6standard | 479 | Behr, Bryan (1456) | Lost 0-2 | -191453 |
| average opponent: 1549record: 2-3-1 | new rating: 1453 | |||
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 393 | Wiley, Zarek (1500) | Won 2-0 | +181518 |
| 2standard | 46 | Peacock, Robert (1579) | Lost 0-2 | -171501 |
| 3standard | 282 | Schmitt, Nathan (1483) | Lost 0-2 | -181483 |
| 4standard | 497 | Herr, Joshua (1451) | Lost 0-2 | -191464 |
| average opponent: 1503record: 1-3 | new rating: 1464 | |||