Malferrari, Pietro
Current rating: 1548
Record: 8-5
| Grand Prix Florence 2000 (extended) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 190 | Ferruzzi, Giacomo (1500) | Won 2-0 | +171550 |
| 2extended | 140 | Castro, Andrea (1518) | Won 2-1 | +181568 |
| 3extended | 74 | Zanon, Luca (1536) | Lost 0-2 | -191549 |
| 4extended | 123 | Santopadre, Marco (1517) | Won 2-0 | +181567 |
| 5extended | 47 | Holzweiss, Ralf (1551) | Lost 1-2 | -191548 |
| average opponent: 1524record: 3-2 | new rating: 1548 | |||
| Grand Prix Milan 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 3 | Squaratti, Martino (1500) | Won 2-1 | +181518 |
| 2block | 3 | Gudic, Josip (1517) | Won 2-0 | +181536 |
| 3block | 12 | Bero, Peter (1482) | Lost 0-2 | -191517 |
| 4block | 56 | Olivieri, Nicolas (1471) | Won 2-0 | +171534 |
| 5block | 55 | Monterisi, Daniele (1518) | Lost 0-2 | -181516 |
| 6block | 67 | Berti, Francesco (1473) | Won 2-1 | +171533 |
| 7block | 51 | Glac, Andrej (1536) | Won 2-0 | +181551 |
| 8block | 37 | Cerasari, Andrea (1537) | Lost 0-2 | -181533 |
| average opponent: 1504record: 5-3 | new rating: 1533 | |||