Petruzzella, Mauro
Current rating: 1508
Record: 15-14
| Grand Prix Bologna 2019 (legacy) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 85 | Riedl, Daniel (1500) | Won 2-0 | +171561 |
| 2legacy | 288 | Brownson-Smith, Callum (1686) | Lost 0-2 | -151546 |
| 3legacy | 563 | Vassallo, Marco (1509) | Lost 0-2 | -191527 |
| 4legacy | 668 | Aguilar Ponsa, Sebastia (1482) | Lost 0-2 | -191508 |
| top | average opponent: 1544record: 1-3 | new rating: 1508 | ||
| Grand Prix Milan 2014 (modern) | starting rating: 1602 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 127 | Orizio, Simone (1500) | Lost 1-2 | -201582 |
| 2modern | 481 | Stadlbauer, Leopold (1589) | Lost 1-2 | -181564 |
| 3modern | 724 | karamanlis, pavlos (1464) | Lost 1-2 | -201544 |
| top | average opponent: 1518record: 0-3 | new rating: 1544 | ||
| Grand Prix Turin 2012 (modern) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 594 | Gamarino, Claudio (1562) | Won 2-0 | +171607 |
| 3modern | 603 | Nediani, Andrea (1655) | Lost 1-2 | -171590 |
| 4modern | 631 | Cecilia, Manuel (1501) | Won 2-0 | +171607 |
| 5modern | 591 | Barossi, Davide (1436) | Lost 1-2 | -221585 |
| 6modern | 648 | Caraceni, Lorenzo (1620) | Won 2-0 | +191604 |
| 7modern | 577 | Ble, Iwika (1407) | Won 2-1 | +151619 |
| 8modern | 596 | Fyssas, Antonis (1676) | Lost 0-2 | -171602 |
| top | average opponent: 1551record: 4-3 | new rating: 1602 | ||
| Grand Prix Florence 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 159 | Barbero, Davide (1500) | Won 2-1 | +181518 |
| 2sealed | 17 | Pergolini, Diego (1502) | Won 2-0 | +181536 |
| 3sealed | 83 | Staciwa, Marcin (1546) | Won 2-0 | +181554 |
| 4sealed | 72 | Percossi, Mario (1557) | Won 2-1 | +181572 |
| 5sealed | 3 | Giovannetti, Simone (1569) | Lost 1-2 | -181554 |
| 6sealed | 60 | Lyford-Smith, David (1428) | Won 2-0 | +161570 |
| 7sealed | 27 | Bruno, Luca (1690) | Won 2-0 | +201590 |
| 8sealed | 27 | D'Innocenzo, Andrea (1581) | Won 2-1 | +181608 |
| 9sealed | 14 | Dedaj, Terenc (1590) | Lost 0-2 | -191589 |
| 10draft | 43 | Pigeon, Pierre (1632) | Won 2-0 | +191608 |
| 11draft | 67 | Sendra, Marc (1578) | Won 2-0 | +181626 |
| 12draft | 15 | Orazi, Davide Christian (1687) | Won 2-0 | +191645 |
| 13draft | 60 | Bohm, Philip (1622) | Lost 1-2 | -191626 |
| 14draft | 3 | Montanari, Mattia (1593) | Lost 0-2 | -181608 |
| 15draft | 39 | Venturi, Matteo (1613) | Lost 0-2 | -181590 |
| top | average opponent: 1579record: 10-5 | new rating: 1590 | ||