Calloni, Stefano
Current rating: 1490
| Grand Prix Rimini 2008 (Lorwyn block) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 101 | Fieni, Federico (1482) | Lost 0-2 | -201529 |
| 2block | 253 | Battaglia, Simone (1524) | Won 2-1 | +181547 |
| 3block | 243 | Del Latte, Pietro (1500) | Won 2-0 | +171564 |
| 4block | 109 | Kuentz, Augustin (1483) | Lost 1-2 | -191545 |
| 5block | 214 | Casale, Michael (1417) | Won 2-0 | +161561 |
| 6block | 187 | Malin, Antti (1828) | Lost 1-2 | -141547 |
| 7block | 162 | Hauchard, Francois (1555) | Lost 0-2 | -181529 |
| 8block | 170 | Vesman, Veigo (1363) | Lost 1-2 | -211508 |
| 9block | 148 | Esposito, Marco (1508) | Lost 0-2 | -181490 |
| top | average opponent: 1518record: 3-6 | new rating: 1490 | ||
| Grand Prix Florence 2007 (Time Spiral block) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 52 | Horvath, Tamas (1500) | Draw 1-1 | 01488 |
| 3block | 84 | Ramazzotti, Luca (1499) | Lost 0-2 | -181470 |
| 4block | 178 | Speranza, Enrico (1501) | Won 2-1 | +191489 |
| 5block | 137 | Krizman, Marko (1595) | Won 2-0 | +201509 |
| 6block | 93 | Lovett, Nicholas (1707) | Lost 0-2 | -151494 |
| 7block | 125 | Cazzaniga, Attilio (1520) | Won 2-0 | +191513 |
| 8block | 90 | Reimche, Wadim (1539) | Won 2-1 | +181531 |
| 9block | 68 | Sedgman, Charles (1494) | Won 2-0 | +181549 |
| top | average opponent: 1544record: 5-2-1 | new rating: 1549 | ||
| Grand Prix Turin 2006 (DIS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 68 | Lombardi, Piero (1632) | Lost 0-2 | -161484 |
| 2sealed | 225 | Sponza, Marco (1488) | Lost 0-2 | -181466 |
| 3sealed | 252 | Roggio, Fausto (1462) | Won 2-0 | +181484 |
| 4sealed | 269 | Chassot, Philippe (1482) | Won 2-0 | +181502 |
| 5sealed | 209 | Georgiou, George (1499) | Won 2-1 | +181520 |
| 6sealed | 150 | Rentzsch, Stefan (1720) | Lost 0-2 | -141506 |
| 7sealed | 139 | Garver, Leo (1503) | Lost 0-2 | -181488 |
| top | average opponent: 1541record: 3-4 | new rating: 1488 | ||