Schaaf, Eric
Current rating: 1514
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 139 | Rhee, James (1500) | Won 2-0 | +181530 |
| 2modern | 594 | Bryan, Jordan (1518) | Lost 1-2 | -191511 |
| 3modern | 963 | Boggemes, Stephen (1684) | Lost 0-2 | -151496 |
| 4modern | 1160 | Flora, Jeremy (1483) | Won 2-0 | +181514 |
| top | average opponent: 1546record: 2-2 | new rating: 1514 | ||
| Grand Prix Columbus 2012 (modern) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 45 | Webb, Jody (1403) | Won 2-0 | +161520 |
| 2modern | 120 | Renner, Chris (1500) | Won 2-0 | +181538 |
| 3modern | 189 | Kovacs, Bobby J (1541) | Won 2-1 | +181556 |
| 4modern | 122 | Lee, Jackie (1826) | Lost 0-2 | -131543 |
| 5modern | 244 | Moscatel, Matthew (1536) | Lost 1-2 | -181525 |
| 6modern | 319 | Corvese, Harry (1804) | Lost 0-2 | -131512 |
| top | average opponent: 1602record: 3-3 | new rating: 1512 | ||
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 408 | Smith, William H (1500) | Lost 0-2 | -181482 |
| 2standard | 442 | Wagner, Bradley D (1482) | Won 2-0 | +181500 |
| 3standard | 467 | Pokladek, Michael L (1500) | Lost 0-2 | -181482 |
| 4standard | 480 | Shuck, Matthew K (1481) | Won 2-1 | +181500 |
| 5standard | 518 | Johnson, Jon (1459) | Won 2-1 | +171517 |
| 6standard | 302 | Williams, David A (1798) | Lost 1-2 | -131504 |
| top | average opponent: 1537record: 3-3 | new rating: 1504 | ||