Rosa, Giovanni
Current rating: 1567
Record: 15-11
| Grand Prix Florence 2007 (Time Spiral block) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 72 | Testa, Alessandro (1493) | Lost 0-2 | -191517 |
| 2block | 215 | Martin, Bernard (1483) | Won 2-0 | +171534 |
| 3block | 148 | Dorle, Anthony (1586) | Won 2-1 | +191553 |
| 4block | 150 | Ceccarelli, Lucio L (1519) | Won 2-1 | +181571 |
| 5block | 63 | Leoni, Davide (1488) | Won 2-1 | +161587 |
| 6block | 74 | Giusti, Emanuele (1555) | Lost 1-2 | -181569 |
| 7block | 97 | Salvicchi, Lorenzo (1520) | Won 2-1 | +171586 |
| 8block | 79 | Lippi, Alessandro (1546) | Lost 0-2 | -191567 |
| top | average opponent: 1524record: 5-3 | new rating: 1567 | ||
| Grand Prix Paris 2004 (COK limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 138 | Borczyk, Paul (1500) | Won 2-1 | +171534 |
| 2sealed | 59 | Schilli, Anton (1569) | Won 2-1 | +191553 |
| 3sealed | 76 | Rasmussen, Anders (1626) | Lost 0-2 | -171536 |
| 4sealed | 94 | Gottschalk, Michael (1718) | Won 2-1 | +221558 |
| 5sealed | 132 | Reinier, Germain (1505) | Won 2-1 | +171575 |
| 6sealed | 39 | Peleira, Mauro (1453) | Lost 0-2 | -211554 |
| 7sealed | 87 | Meteyer, Cyril (1524) | Lost 0-2 | -181536 |
| top | average opponent: 1557record: 4-3 | new rating: 1536 | ||
| Grand Prix Vienna 2004 (COK limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 249 | Krstic, Milos (1500) | Won 2-0 | +181516 |
| 2sealed | 228 | Steinbock, Kai (1526) | Won 2-0 | +181534 |
| 3sealed | 98 | Dato, Andrea (1605) | Lost 0-2 | -171517 |
| 4sealed | 224 | Hofer, Mario (1518) | Won 2-0 | +181535 |
| 5sealed | 99 | Gasparac, Lovro (1516) | Won 2-1 | +181553 |
| 6sealed | 66 | Lehnert, Heiko (1540) | Lost 1-2 | -181535 |
| 7sealed | 92 | Neumann, Andreas (1541) | Lost 0-2 | -181517 |
| top | average opponent: 1535record: 4-3 | new rating: 1517 | ||
| Grand Prix Genoa 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 127 | Lodi, Gian Paolo (1435) | Lost 0-2 | -191481 |
| 2block | 177 | Fidanza, Gianandrea (1480) | Won 2-0 | +181499 |
| 3block | 137 | Ivcec, Ivan (1428) | Lost 1-2 | -191480 |
| 4block | 243 | Coda, Maurizio (1483) | Won 2-0 | +181498 |
| top | average opponent: 1457record: 2-2 | new rating: 1498 | ||