Della Pietra, Carlos Alberto
Current rating: 1582
| Grand Prix Bologna 2017 (AKH limited) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 365 | Fluetsch, Fabio (1500) | Won 2-1 | +171584 |
| 2sealed | 165 | Vogt, Adrian (1708) | Lost 0-2 | -161568 |
| 3sealed | 548 | Bonanni, Claudio (1840) | Lost 0-2 | -131555 |
| 4sealed | 655 | Berto, Franco (1440) | Lost 0-2 | -201535 |
| 5sealed | 692 | Ruggeri, Luca (1463) | Won 2-0 | +171552 |
| 6sealed | 675 | Pietrini, Stefano (1434) | Won 2-0 | +161568 |
| 7sealed | 416 | Bianchi, Francesco (1486) | Lost 1-2 | -201548 |
| 8sealed | 536 | Stagni, Manuela (1541) | Won 2-1 | +181566 |
| 9sealed | 466 | Iannello, Andrea (1433) | Won 2-0 | +161582 |
| top | average opponent: 1538record: 5-4 | new rating: 1582 | ||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 633 | Barblan, Bengiamin (1500) | Won 2-0 | +171541 |
| 2sealed | 517 | Tapat, John (1543) | Won 2-0 | +181559 |
| 3sealed | 576 | Liapatis, Theodoros (1539) | Won 2-1 | +181577 |
| 4sealed | 516 | Hugony, Francesco (1839) | Won 2-1 | +231600 |
| 5sealed | 543 | Florent, Lucas (1774) | Lost 0-2 | -151585 |
| 6sealed | 576 | Mayo Gavela, Diego (1568) | Won 2-1 | +181603 |
| 7sealed | 575 | Vieren, Peter (1678) | Lost 0-2 | -171586 |
| 8sealed | 619 | Mariani, Giovanni (1550) | Lost 0-2 | -191567 |
| top | average opponent: 1624record: 5-3 | new rating: 1567 | ||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 517 | de Groof, Stein (1528) | Lost 1-2 | -171483 |
| 2sealed | 668 | Nedbal, Marek (1445) | Won 2-1 | +171500 |
| 3sealed | 625 | Havreliuc, Eduard C (1500) | Won 2-0 | +181518 |
| 4sealed | 609 | Bieniek, Lukasz (1530) | Won 2-1 | +181536 |
| 5sealed | 566 | Bleys, Tony (1740) | Lost 0-2 | -141522 |
| 6sealed | 600 | Sevcik, Pavel (1520) | Lost 1-2 | -181504 |
| 7sealed | 636 | Lukaszyk, Tomasz (1631) | Won 2-1 | +201524 |
| 8sealed | 611 | Kitali, Vincent (1529) | Lost 1-2 | -181506 |
| 9sealed | 592 | Roessler, Pavel (1492) | Won 2-0 | +181524 |
| top | average opponent: 1546record: 5-4 | new rating: 1524 | ||