Martinez De Marco, Ant
Current rating: 1469
Record: 4-6
| Grand Prix Madrid 2015 (ORI limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 356 | Brotons Soriano, Ivan (1500) | Won 2-1 | +181522 |
| 2sealed | 63 | Sandoval, Ignacio (1517) | Lost 1-2 | -181504 |
| 3sealed | 434 | Guevara, Asier (1549) | Lost 0-2 | -171487 |
| 4sealed | 552 | Herranzluque, Juan Emilio (1484) | Lost 0-2 | -181469 |
| average opponent: 1513record: 1-3 | new rating: 1469 | |||
| Grand Prix Madrid 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 276 | Garcia, Jean-Julien (1500) | Won 2-0 | +181518 |
| 2modern | 545 | Melichar, Martin (1611) | Won 2-1 | +201538 |
| 3modern | 354 | Sevaux, Yoann (1710) | Lost 0-2 | -151523 |
| 4modern | 168 | Ariza, Juan Manuel (1499) | Won 2-0 | +171540 |
| 5modern | 297 | Barrachina Asins, Nacho (1537) | Lost 1-2 | -181522 |
| 6modern | 439 | Tortosa, Isaias (1520) | Lost 0-2 | -181504 |
| average opponent: 1563record: 3-3 | new rating: 1504 | |||