Harkwright, Hayden L
Current rating: 1536
Record: 4-2-3
| Grand Prix Dallas 2007 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 116 | Kuzeberger, Chris (1500) | Draw 1-1 | 01500 |
| 2extended | 192 | Rogers, Aaron (1500) | Draw 1-1 | 01500 |
| 3extended | 280 | Hollar, Jeremy (1484) | Won 0-0 | +181518 |
| 4extended | 230 | Cohen, Debbie (1629) | Draw 1-1 | +21520 |
| 5extended | 208 | mauldin, Micheal D (1499) | Won 2-0 | +171537 |
| 6extended | 161 | Adkins, Joshua (1530) | Lost 1-2 | -181519 |
| 7extended | 153 | Gault, Robert D (1485) | Won 2-0 | +181537 |
| 8extended | 105 | Gleason, Justin (1516) | Won 2-0 | +171554 |
| 9extended | 86 | Spires, Roy R (1521) | Lost 1-2 | -181536 |
| average opponent: 1518record: 4-2-3 | new rating: 1536 | |||