Biorci, Stefano
Current rating: 1466
Record: 4-6
| Grand Prix Genoa 2003 (Onslaught block) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 172 | Cappuzzi, Andrea (1443) | Won 2-1 | +181499 |
| 2block | 124 | Macri, Simone (1519) | Lost 1-2 | -181481 |
| 3block | 147 | Loeb, Davy (1673) | Lost 0-2 | -141467 |
| 4block | 207 | Ibba, Marco (1413) | Lost 0-2 | -191448 |
| 5block | 243 | Cangiano, Marco (1465) | Won 2-1 | +181466 |
| average opponent: 1503record: 2-3 | new rating: 1466 | |||
| Grand Prix Milan 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 84 | Szabo, Lazar (1482) | Lost 0-2 | -181482 |
| 2block | 217 | Fornasari, Michele (1482) | Won 2-0 | +181500 |
| 3block | 145 | Slama Saad, Michele (1506) | Won 2-1 | +181518 |
| 4block | 126 | Bozzo, Rodolfo (1517) | Lost 0-2 | -181500 |
| 5block | 160 | Corti, Mauro (1483) | Lost 0-2 | -191481 |
| average opponent: 1494record: 2-3 | new rating: 1481 | |||