Boyce, Cyrus
Current rating: 1469
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 337 | McConnell III, Esker (1395) | Won 2-0 | +161501 |
| 2sealed | 87 | Priestly, Craig (1479) | Lost 1-2 | -181483 |
| 3sealed | 404 | Bertelsen, Nathan (1683) | Lost 0-2 | -151468 |
| 4sealed | 561 | Lamp, Robert (1482) | Won 2-1 | +181486 |
| 5sealed | 391 | Durante, Jeffrey (1500) | Lost 0-2 | -171469 |
| top | average opponent: 1508record: 2-3 | new rating: 1469 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 306 | Ryan, Kyle (1500) | Draw 1-1 | -11522 |
| 2standard | 398 | Yan, Sean (1500) | Lost 0-2 | -181504 |
| 3standard | 627 | Lagowski, Mark (1432) | Won 2-0 | +161520 |
| 4standard | 536 | Gates, Nick (1500) | Won 2-0 | +181538 |
| 5standard | 392 | Pangle, Jason (1604) | Lost 0-2 | -171521 |
| 6standard | 498 | Blanchard, Michael (1504) | Lost 0-2 | -181503 |
| 7standard | 462 | Chase, Robert (1482) | Lost 0-2 | -181485 |
| top | average opponent: 1503record: 2-4-1 | new rating: 1485 | ||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 629 | Holt, Ben 2 (1500) | Won 0-0 | +181518 |
| 2sealed | 659 | Medwin, Allison H (1516) | Lost 0-2 | -181500 |
| 3sealed | 745 | Reedy, Phelan (1501) | Won 2-1 | +181518 |
| 4sealed | 709 | Fitzgerald, Robert J (1482) | Won 2-1 | +171535 |
| 5sealed | 673 | Smith, Brenda (1491) | Won 2-0 | +181553 |
| 6sealed | 581 | Krumb, Michael (1878) | Lost 1-2 | -131540 |
| 7sealed | 668 | Lane, Mikael (1559) | Lost 0-2 | -171523 |
| top | average opponent: 1561record: 4-3 | new rating: 1523 | ||