Mariani, Alessandro
Current rating: 1455
Record: 4-7
| Grand Prix Florence 2010 (SOM limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 698 | Poletti, Claudio (1464) | Lost 0-2 | -191468 |
| 2sealed | 739 | Amiguet, Jerome (1473) | Lost 0-2 | -181450 |
| 3sealed | 769 | Binetti, Matteo (1464) | Won 2-0 | +191469 |
| 4sealed | 732 | Cammilluzzi, Marco (1703) | Lost 1-2 | -141455 |
| average opponent: 1526record: 1-3 | new rating: 1455 | |||
| Grand Prix Milan 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 168 | Ghizzoni, Simone (1500) | Won 2-0 | +181518 |
| 2block | 70 | Panella, Riccardo (1518) | Won 2-0 | +181536 |
| 3block | 35 | Malherbaud, Pierre (1649) | Won 2-1 | +201556 |
| 4block | 16 | Cuter, Massimo (1537) | Lost 1-2 | -181538 |
| 5block | 33 | Herms, Roc (1728) | Lost 1-2 | -151523 |
| 6block | 87 | Bissolino, Giovanni (1518) | Lost 1-2 | -181505 |
| 7block | 110 | Mrankov Tosev, Ivan (1483) | Lost 0-2 | -181487 |
| average opponent: 1562record: 3-4 | new rating: 1487 | |||