Pecorla-sonza, Alan
Current rating: 1485
Record: 4-5
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 19 | Leeman, Cory (1500) | Won 2-1 | +181518 |
| 2standard | 221 | Lohnes, James (1518) | Lost 1-2 | -181500 |
| 3standard | 299 | Lundblad, Erik (1577) | Lost 0-2 | -171483 |
| 4standard | 360 | Brenneman, Slade W (1484) | Lost 0-2 | -181465 |
| 5standard | 370 | Mann, Rick (1464) | Won 2-1 | +181483 |
| 6standard | 271 | Longo, Paul (1502) | Lost 0-2 | -171466 |
| 7standard | 239 | Murray, Paul W (1465) | Lost 0-2 | -181448 |
| 8standard | 177 | Potter, Jason (1523) | Won 2-0 | +191467 |
| 9standard | 117 | Agnone, Anthony (1465) | Won 2-1 | +181485 |
| average opponent: 1500record: 4-5 | new rating: 1485 | |||