Porretti, Vincent
Current rating: 1533
Record: 7-5
| Grand Prix Ottawa 2014 (KTK limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 382 | Gascon, Louis (1500) | Won 2-1 | +171571 |
| 2sealed | 87 | Wagner, Joseph (1521) | Lost 0-2 | -181553 |
| 3sealed | 302 | Beaudoin, Patrice (1476) | Lost 0-2 | -201533 |
| average opponent: 1499record: 1-2 | new rating: 1533 | |||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 10 | Schoinas, Sakis (1500) | Lost 1-2 | -181482 |
| 2sealed | 274 | Gonzalez, Roman (1493) | Won 2-0 | +181500 |
| 3sealed | 193 | Greco, Marco (1457) | Lost 1-2 | -191481 |
| 4sealed | 380 | Terroba, Gonzalo (1519) | Won 2-0 | +191500 |
| 5sealed | 261 | Ortolani, Francesco (1670) | Won 2-1 | +211521 |
| 6sealed | 196 | Hoydonckx, Yves (1465) | Lost 0-2 | -191502 |
| 7sealed | 230 | Canala, Alessandro (1456) | Won 2-0 | +171519 |
| 8sealed | 181 | Ciaccia, Giovanni (1427) | Won 2-0 | +171536 |
| 9sealed | 98 | Chhen, Patrick (1579) | Won 2-0 | +181554 |
| average opponent: 1508record: 6-3 | new rating: 1554 | |||