Zappaterra, Marco
Current rating: 1419
| Grand Prix Milan 2014 (JOU limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 25 | Kutscher, Ulrich (1733) | Lost 1-2 | -131435 |
| 2sealed | 302 | Vacher, Nicolas (1464) | Lost 0-2 | -181417 |
| 3sealed | 502 | Roos, Martin (1468) | Won 2-0 | +191436 |
| 4sealed | 500 | Amico, Alessandro (1487) | Lost 0-2 | -171419 |
| top | average opponent: 1538record: 1-3 | new rating: 1419 | ||
| Grand Prix Bologna 2005 (SOK limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 167 | Blanc, Regis (1503) | Lost 0-2 | -181462 |
| 2sealed | 263 | Nocci, Federico (1507) | Lost 0-2 | -171445 |
| 3sealed | 257 | Moretti, Enrico (1464) | Won 2-0 | +181463 |
| 4sealed | 239 | Herrero, Sergi (1589) | Lost 1-2 | -151448 |
| top | average opponent: 1516record: 1-3 | new rating: 1448 | ||
| Grand Prix Milan 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 79 | Arlati, Claudio Giuseppe (1500) | Won 2-0 | +181518 |
| 2block | 124 | Panebianco, Andrea (1518) | Won 2-1 | +181536 |
| 3block | 42 | Hugi, Niklaus (1465) | Lost 1-2 | -191517 |
| 4block | 68 | Kotkanen, Henri Antero (1518) | Lost 1-2 | -181499 |
| 5block | 168 | Scorpellimo, Luca (1499) | Won 2-1 | +181517 |
| 6block | 111 | Ridolfi, Alessio (1518) | Lost 0-2 | -181499 |
| 7block | 118 | Bero, Peter (1450) | Lost 1-2 | -191480 |
| top | average opponent: 1495record: 3-4 | new rating: 1480 | ||