Guastini, Andrea
Current rating: 1455
| Grand Prix Florence 2010 (SOM limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 123 | Chassot, Philippe (1528) | Won 2-0 | +191487 |
| 3sealed | 90 | Aristo, Alberto (1538) | Won 2-0 | +191506 |
| 4sealed | 80 | Palazzo, Alessandro (1582) | Lost 0-2 | -171489 |
| 5sealed | 75 | Otero, Carlos (1565) | Lost 1-2 | -171472 |
| 6sealed | 164 | Musolino, Letterio (1522) | Lost 1-2 | -171455 |
| top | average opponent: 1547record: 2-3 | new rating: 1455 | ||
| Grand Prix Rimini 2008 (Lorwyn block) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 62 | Bertodo, Pietro (1500) | Won 2-1 | +181483 |
| 2block | 86 | Gaspari, Massimo (1498) | Won 2-0 | +191502 |
| 3block | 34 | Vezzadini, Massimiliano (1519) | Lost 1-2 | -181484 |
| 4block | 174 | Kosits, Sascha (1569) | Lost 1-2 | -161468 |
| top | average opponent: 1522record: 2-2 | new rating: 1468 | ||
| Grand Prix Florence 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 319 | Capodivento, Vincenzo (1553) | Lost 0-2 | -171483 |
| 2block | 482 | Osterman, Johnny (1482) | Won 2-1 | +181501 |
| 3block | 405 | Van Audenaerde, Hans (1417) | Lost 0-2 | -201481 |
| 4block | 505 | Linell, Patrik (1494) | Lost 1-2 | -171464 |
| 6block | 526 | Greco, Matteo (1448) | Lost 0-2 | -191445 |
| 7block | 491 | Spataro, Luca (1464) | Won 2-1 | +191464 |
| 8block | 452 | Munoz, Raul (1505) | Lost 1-2 | -181446 |
| 9block | 427 | Vitali, Roberto (1463) | Won 2-0 | +191465 |
| top | average opponent: 1478record: 3-5 | new rating: 1465 | ||