Concepcion, Carlos
Current rating: 1500
Record: 2-2-2
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 321 | Schreier, Todd (1559) | Won 2-0 | +191519 |
| 2standard | 178 | Lassalle, Samuel J (1518) | Won 2-0 | +181537 |
| 3standard | 89 | Wilder, James David (1535) | Draw 1-1 | 01537 |
| 4standard | 171 | Yunes Valdez, Dario (1506) | Lost 1-2 | -191518 |
| 5standard | 275 | Maddalena, Todd (1515) | Draw 1-1 | 01518 |
| 6standard | 364 | Woodbury, Michael (1489) | Lost 0-2 | -181500 |
| average opponent: 1520record: 2-2-2 | new rating: 1500 | |||