DeMarco, Brett
Current rating: 1466
Record: 5-7
| Grand Prix Detroit 2016 (modern) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 363 | Toyota, Shimpei (1559) | Lost 0-2 | -171505 |
| 2modern | 732 | Dail, Chris (1482) | Lost 1-2 | -191486 |
| 3modern | 1210 | Ramnarine, Brian (1397) | Lost 0-2 | -191467 |
| 4modern | 1161 | Rogers, Tony (1448) | Won 2-0 | +171484 |
| 5modern | 1105 | Dumontier, Bruno (1475) | Lost 0-2 | -181466 |
| average opponent: 1472record: 1-4 | new rating: 1466 | |||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 269 | Chaney, Christopher (1500) | Won 2-0 | +181518 |
| 2sealed | 254 | Babcock, Grant (1688) | Lost 1-2 | -151503 |
| 3sealed | 674 | Hamilton, Tyler (1500) | Won 2-0 | +181521 |
| 4sealed | 430 | Wilder, Justin (1518) | Won 2-1 | +181539 |
| 5sealed | 115 | Hart, Matt (1595) | Lost 0-2 | -171522 |
| 6sealed | 425 | Ohlendorf, Josh (1512) | Won 2-1 | +181540 |
| 7sealed | 256 | Evans, Stephen (1560) | Lost 1-2 | -181522 |
| average opponent: 1553record: 4-3 | new rating: 1522 | |||