Guerrera, Antonio
Current rating: 1583
| Grand Prix Lisbon 2012 (RTR limited) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 40 | Jacinto, Jack N (1537) | Lost 1-2 | -181512 |
| 2sealed | 198 | Pujol Guasch, Albert (1483) | Won 2-1 | +181530 |
| 3sealed | 212 | Agostinho, Pedro (1500) | Won 2-0 | +171547 |
| 4sealed | 183 | Rodrigues, Thiago (1524) | Lost 1-2 | -181529 |
| 5sealed | 192 | Schauer, Andreas (1545) | Won 2-0 | +181547 |
| 6sealed | 156 | Gomes, Hugo (1477) | Won 2-1 | +171564 |
| 7sealed | 83 | Samra, Manveer (1604) | Won 2-1 | +181582 |
| 8sealed | 66 | Skorolupov, Nikolai (1620) | Lost 1-2 | -171565 |
| 9sealed | 85 | Alexandre, Pedro [PRT] (1539) | Won 2-0 | +181583 |
| top | average opponent: 1537record: 6-3 | new rating: 1583 | ||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 254 | Toro, Alessandro (1452) | Won 2-0 | +171522 |
| 2sealed | 138 | Scuderi, Walter (1500) | Lost 1-2 | -191503 |
| 3sealed | 256 | Coline, Mickael (1598) | Won 2-0 | +201523 |
| 4sealed | 226 | Menci, Michele (1521) | Lost 0-2 | -181505 |
| 5sealed | 310 | Schrotter, Gabriel (1540) | Won 2-1 | +191524 |
| 6sealed | 173 | Lombardi, Paolo (1883) | Won 2-0 | +241548 |
| 7sealed | 122 | Tardiani, Mattia (1554) | Lost 0-2 | -181530 |
| top | average opponent: 1578record: 4-3 | new rating: 1530 | ||
| Grand Prix Florence 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 146 | Menichetti, Matteo (1500) | Lost 1-2 | -181482 |
| 3sealed | 203 | Goncalves, Luis (1506) | Won 2-0 | +181500 |
| 4sealed | 129 | Nygaard, Nikolas (1853) | Draw 1-1 | +71507 |
| 5sealed | 148 | Stammbach, Martin (1370) | Won 2-0 | +151522 |
| 6sealed | 93 | Ruiz Martin, Daniel (1556) | Lost 1-2 | -171505 |
| top | average opponent: 1557record: 2-2-1 | new rating: 1505 | ||