Roa, Marcos
Current rating: 1429
Record: 2-6-1
| Grand Prix Madrid 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 135 | Franco, Joao Miguel (1500) | Draw 1-1 | 01500 |
| 2modern | 442 | Heining, Joakim (1511) | Lost 0-2 | -181482 |
| 3modern | 800 | Trejo, Victor (1485) | Won 2-0 | +181500 |
| 4modern | 624 | Zapata Torrecillas, Cr (1559) | Lost 0-2 | -171483 |
| 5modern | 749 | Garcia, Adrian (1470) | Won 2-0 | +181501 |
| 6modern | 569 | Urzi, Pietro (1499) | Lost 1-2 | -181483 |
| 7modern | 603 | Garcia Campo, Javier Endika (1497) | Lost 1-2 | -181465 |
| 8modern | 538 | Barrera Azor, Daniel (1463) | Lost 0-2 | -181447 |
| 9modern | 473 | Sierra Infante, Angel (1442) | Lost 0-2 | -181429 |
| average opponent: 1492record: 2-6-1 | new rating: 1429 | |||