Vaughan, Patrick
Current rating: 1438
Record: 7-10
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 655 | Cramer, Zach (1484) | Won 2-0 | +181534 |
| 2modern | 364 | Gostek, Ryan (1582) | Lost 1-2 | -171517 |
| 3modern | 853 | D'Clute, Joshua (1499) | Lost 1-2 | -191498 |
| 4modern | 1111 | Gregg, Jeffrey (1400) | Won 2-0 | +171515 |
| 5modern | 628 | Lynch, Brandon (1419) | Lost 1-2 | -201495 |
| 6modern | 802 | Polca, Shawn (1359) | Lost 0-2 | -211474 |
| 7modern | 731 | Beardsley, Jay (1465) | Lost 1-2 | -181456 |
| 8modern | 614 | Brackett, Brian (1459) | Lost 0-2 | -181438 |
| average opponent: 1458record: 2-6 | new rating: 1438 | |||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1367 | Baumgarten, Kirk (1500) | Won 2-0 | +181518 |
| 2modern | 1332 | Hill, Phillip (1463) | Won 2-0 | +171535 |
| 3modern | 1079 | Lynch, Jeffrey (1541) | Lost 1-2 | -181517 |
| 4modern | 1189 | Palmer, Kenneth (1517) | Won 2-0 | +181535 |
| 5modern | 1179 | Polzin, David (1535) | Won 2-1 | +181553 |
| 6modern | 1123 | Chen, Cliff (1545) | Lost 0-2 | -181535 |
| 7modern | 1149 | Mavlian, Marcus (1536) | Won 2-1 | +181553 |
| 8modern | 1151 | Smith, Christina (1544) | Lost 1-2 | -181535 |
| 9modern | 1172 | Freemon, Wallace (1511) | Lost 0-2 | -191516 |
| average opponent: 1521record: 5-4 | new rating: 1516 | |||