Winbarg, David
Current rating: 1463
Record: 1-3
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 272 | Ortiz, Miguel (1500) | Won 2-1 | +181518 |
| 2standard | 121 | Nets, Tsuck (1533) | Lost 1-2 | -181500 |
| 3standard | 350 | Manning, John C (1447) | Lost 1-2 | -191481 |
| 4standard | 483 | Collazos, Michael (1482) | Lost 0-2 | -181463 |
| average opponent: 1491record: 1-3 | new rating: 1463 | |||