Ostengo, Andrea
Current rating: 1465
| Grand Prix Zurich 2004 (Mirrodin block) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 27 | Hahn, Fabian (1500) | Lost 0-2 | -181435 |
| 2block | 252 | Ziegler, Franz (1482) | Won 2-0 | +191454 |
| 3block | 194 | Henseler, David (1500) | Won 2-0 | +191473 |
| 4block | 160 | Protzek, Till (1543) | Lost 0-2 | -171456 |
| 5block | 156 | Rodriguez, Higino (1500) | Won 2-1 | +191475 |
| 6block | 136 | Belin, Alexandre (1736) | Lost 0-2 | -131462 |
| 7block | 128 | Pinazo, Jorge (1567) | Won 2-1 | +201482 |
| 8block | 118 | Marciniszyn, Michal (1535) | Lost 1-2 | -171465 |
| top | average opponent: 1545record: 4-4 | new rating: 1465 | ||
| Grand Prix Genoa 2003 (Onslaught block) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 178 | Salvago, Alessandro (1500) | Won 1-0 | +181507 |
| 2block | 97 | Ferrigno, Daniele (1482) | Lost 1-2 | -191488 |
| 3block | 154 | Antichi, Samuel (1500) | Lost 1-2 | -171471 |
| 4block | 257 | Casalboni, Davide (1482) | Lost 0-2 | -181453 |
| 5block | 228 | Ruggeri, Simone (1464) | Won 2-1 | +181471 |
| 6block | 184 | Gubitta, Davide (1451) | Lost 1-2 | -181453 |
| top | average opponent: 1480record: 2-4 | new rating: 1453 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 48 | Bischoff, Helmut (1500) | Won 2-0 | +181518 |
| 2sealed | 121 | Ivcec, Ivan (1517) | Won 2-1 | +181536 |
| 3sealed | 11 | Schmidt, Steffen (1566) | Lost 0-2 | -171519 |
| 4sealed | 255 | Unfried, Jorg (1642) | Lost 1-2 | -161503 |
| 5sealed | 297 | Meewes, Stefan (1532) | Lost 1-2 | -181485 |
| 6sealed | 251 | ten Voorde, Tomas (1562) | Won 2-1 | +201505 |
| 7sealed | 186 | Lauter, Michael (1528) | Won 2-1 | +181523 |
| 8sealed | 133 | Smutek, Juergen (1510) | Lost 1-2 | -181505 |
| 9sealed | 139 | Diezel, Michael (1601) | Lost 1-2 | -161489 |
| top | average opponent: 1551record: 4-5 | new rating: 1489 | ||