Castro, Federico
Current rating: 1437
Record: 4-8
| Grand Prix Turin 2012 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 588 | Vogelsanger, Andreas (1500) | Lost 0-2 | -171430 |
| 2modern | 673 | De Matteis, Luca (1484) | Lost 0-2 | -171413 |
| 3modern | 707 | Bisca, Dario (1465) | Won 2-0 | +191432 |
| 4modern | 718 | Bickel, Bernd (1482) | Won 2-0 | +191451 |
| 5modern | 722 | Mitodo, Dominik (1500) | Lost 1-2 | -171434 |
| 6modern | 731 | Renner, Mark (1601) | Won 2-1 | +211455 |
| 7modern | 693 | Ayena, koffi William (1456) | Lost 0-2 | -181437 |
| average opponent: 1498record: 3-4 | new rating: 1437 | |||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 549 | De Rosa, Francesco (1500) | Lost 0-2 | -181482 |
| 2sealed | 810 | Schwankl, Andre (1524) | Won 2-0 | +191501 |
| 3sealed | 805 | Chandrinos, Giorgos (1494) | Lost 0-2 | -181483 |
| 4sealed | 813 | Keller, Stephan (1536) | Lost 0-2 | -171466 |
| 5sealed | 880 | Leoni, Stefano (1430) | Lost 0-2 | -191447 |
| average opponent: 1497record: 1-4 | new rating: 1447 | |||