Mazza, Juan
Current rating: 1557
Record: 5-2
| Grand Prix Buenos Aires 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 67 | Savino, Pablo (1500) | Won 2-0 | +181518 |
| 2extended | 63 | Saredo, Adrian (1500) | Lost 1-2 | -181500 |
| 3extended | 65 | ARGENTO, FERNANDO (1500) | Won 2-1 | +181518 |
| 4extended | 67 | Cotugno, Juan (1516) | Won 2-1 | +181536 |
| 5extended | 38 | NUIN, ALEJO (1536) | Won 2-0 | +181554 |
| 6extended | 24 | Terra, Marco (1536) | Won 2-0 | +171571 |
| 7extended | 8 | Pustilnik, Michael (1780) | Lost 0-2 | -141557 |
| average opponent: 1553record: 5-2 | new rating: 1557 | |||