Spector, David A
Current rating: 1543
Record: 5-3
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 59 | Hill, Dan (1518) | Won 2-0 | +181518 |
| 3sealed | 31 | Li, Phillip (1530) | Lost 0-2 | -171501 |
| 4sealed | 116 | Bishop, James (1506) | Lost 1-2 | -181483 |
| 5sealed | 165 | Coggins, Nichol M (1501) | Won 2-0 | +181501 |
| 6sealed | 169 | Henning, Nick (1523) | Won 2-1 | +181519 |
| 7sealed | 84 | Peters, Stephen (1537) | Won 2-0 | +191538 |
| 8sealed | 65 | Akimov, Akim (1743) | Won 2-0 | +211559 |
| 9sealed | 33 | Coqueiro, Rafael S (1627) | Lost 0-2 | -161543 |
| average opponent: 1561record: 5-3 | new rating: 1543 | |||