Manasco, David
Current rating: 1510
Record: 8-8
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 319 | Revord, Joshua (1487) | Lost 0-2 | -181490 |
| 2sealed | 525 | Malnar, Josh (1482) | Won 2-0 | +181508 |
| 3sealed | 430 | Wilson, Lester (1500) | Won 2-1 | +181526 |
| 4sealed | 270 | Utley, Bryan (1473) | Lost 1-2 | -191507 |
| 5sealed | 372 | Midkiff, Michael (1500) | Won 2-1 | +181525 |
| 6sealed | 227 | Fender, Tommie (1518) | Won 2-0 | +181543 |
| 7sealed | 168 | Lloyd, Alex (1692) | Lost 0-2 | -161527 |
| 8sealed | 186 | [anonymous] | Lost 0-2 | -171510 |
| average opponent: 1529record: 4-4 | new rating: 1510 | |||
| Grand Prix Nashville 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 249 | Stewart, Paul D (1518) | Lost 1-2 | -181482 |
| 3sealed | 282 | Larry, Brandon (1500) | Won 2-0 | +191501 |
| 4sealed | 181 | Goode, Troy (1499) | Won 2-0 | +181519 |
| 5sealed | 102 | Jerald, Roger (1526) | Won 2-0 | +181537 |
| 6sealed | 75 | Pincus, Max (1731) | Lost 0-2 | -151522 |
| 7sealed | 205 | Prabhu, Vinnie (1693) | Lost 0-2 | -151507 |
| 8sealed | 187 | Weaver, Brandon (1518) | Lost 1-2 | -171490 |
| 9sealed | 189 | Byrd, Eric (1538) | Won 2-0 | +181508 |
| average opponent: 1565record: 4-4 | new rating: 1508 | |||