Hiles, Donald M
Current rating: 1484
Record: 3-4
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 693 | Nastase, Andrew (1500) | Won 2-1 | +181518 |
| 2standard | 621 | Ouellet, Jessica (1517) | Won 2-0 | +181536 |
| 3standard | 682 | Alvarado, Jonathan (1702) | Lost 0-2 | -151521 |
| 4standard | 735 | Reynolds, Nicholas (1485) | Lost 0-2 | -191502 |
| 5standard | 887 | Mossman, Matt (1501) | Lost 0-2 | -181484 |
| 6standard | 889 | Gartlan, Oisin (1478) | Won 2-1 | +181502 |
| 7standard | 798 | Clabaugh, Michael A (1501) | Lost 1-2 | -181484 |
| average opponent: 1526record: 3-4 | new rating: 1484 | |||