Collins, Mark
Current rating: 1429
Record: 1-5-1
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 103 | Zizo, James (1483) | Draw 1-1 | 01500 |
| 2standard | 289 | Kruse, David (1500) | Lost 0-2 | -181482 |
| 3standard | 441 | Gyoker, Jason (1520) | Lost 1-2 | -181464 |
| 4standard | 555 | Gilbert, Timothy L (1487) | Lost 0-2 | -171447 |
| 5standard | 523 | Gilday, Michael (1446) | Lost 0-2 | -181429 |
| 6standard | 466 | Hoch, Nick (1445) | Won 2-0 | +181447 |
| 7standard | 382 | Burroughs, David (1446) | Lost 0-2 | -181429 |
| average opponent: 1475record: 1-5-1 | new rating: 1429 | |||