Mazzei, Marco
Current rating: 1627
Record: 26-18
| Grand Prix Rimini 2008 (Lorwyn block) | starting rating: 1657 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 112 | Feroldi, Federico (1471) | Lost 1-2 | -211636 |
| 2block | 202 | Lerro, Lorenzo (1519) | Lost 0-2 | -201616 |
| 3block | 266 | Paoletti, Roberta (1463) | Won 2-1 | +151631 |
| 4block | 254 | Buratti, Luca (1481) | Won 2-1 | +151646 |
| 5block | 249 | Foglia, Simone (1561) | Lost 0-2 | -191627 |
| top | average opponent: 1499record: 2-3 | new rating: 1627 | ||
| Grand Prix Florence 2007 (Time Spiral block) | starting rating: 1652 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 51 | Attina, Andrea (1518) | Won 2-1 | +151667 |
| 3block | 71 | Schonherr, Georg (1717) | Lost 0-2 | -171650 |
| 4block | 153 | Simeon, Fabrice (1485) | Won 2-0 | +151665 |
| 5block | 70 | Pacitto, Camilla (1483) | Won 2-1 | +151680 |
| 6block | 66 | Campiotti, Emanuele (1737) | Won 2-0 | +191699 |
| 7block | 22 | Stroh, Kim (1535) | Lost 0-2 | -211678 |
| 8block | 76 | Mygh, Sebastian (1509) | Lost 0-2 | -211657 |
| top | average opponent: 1569record: 4-3 | new rating: 1657 | ||
| Grand Prix Bologna 2005 (SOK limited) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 138 | Nega, Krzysztof (1514) | Lost 0-2 | -201583 |
| 3sealed | 126 | Neusser, Philipp (1433) | Won 2-1 | +151598 |
| 4sealed | 177 | Platzer, Lubos (1753) | Won 2-0 | +211619 |
| 5sealed | 93 | Motta, Stefano (1545) | Won 2-1 | +171636 |
| 6sealed | 29 | Christiansen, Claes (1620) | Won 2-0 | +181654 |
| 7sealed | 36 | Meissner, Patrick (1682) | Lost 1-2 | -181636 |
| 8sealed | 53 | Bondarenko, Bogdan (1514) | Won 2-1 | +161652 |
| top | average opponent: 1580record: 5-2 | new rating: 1652 | ||
| Grand Prix Rimini 2004 (Mirrodin block) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 87 | Wenkemann, Dirk (1504) | Won 2-0 | +181517 |
| 3block | 82 | Baumert, Martin (1495) | Won 2-0 | +171534 |
| 4block | 79 | Federici, Andrea (1553) | Won 2-0 | +191553 |
| 5block | 22 | Vizzari, Paolo (1584) | Won 2-0 | +181571 |
| 6block | 13 | Cirigliano, Matteo (1947) | Won 2-0 | +251596 |
| 7block | 5 | Tosana, Matteo (1598) | Lost 1-2 | -181578 |
| 8block | 15 | Minieri, Dario (1644) | Won 2-0 | +191597 |
| 9block | 13 | Vegna, Alessandro (1691) | ID | 01597 |
| 10block | 8 | Bolognesi, Niccolo (1584) | Won 2-1 | +181615 |
| 11block | 7 | Tokoli, Zsolt (1702) | Won 2-0 | +191634 |
| 12block | 3 | Gasparac, Luka (1638) | Lost 0-2 | -171617 |
| 13block | 10 | Cheli, Federico (1658) | Lost 1-2 | -181599 |
| 14block | 15 | Paiano, Daniele (1570) | Won 2-1 | +181617 |
| 15block | 12 | Kapalas, Georgios (1844) | Lost 0-2 | -141603 |
| top | average opponent: 1644record: 9-4-1 | new rating: 1603 | ||
| Grand Prix Genoa 2003 (Onslaught block) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 132 | Romaniello, Vincenzo (1518) | Won 2-0 | +181535 |
| 3block | 41 | Rosso, Daniele (1551) | Won 2-0 | +191554 |
| 4block | 13 | Havranek, Max (1522) | Lost 0-2 | -191535 |
| 5block | 119 | Koenigstein, Markus (1513) | Lost 0-2 | -181517 |
| 6block | 118 | Casalboni, Davide (1517) | Lost 0-2 | -181499 |
| top | average opponent: 1524record: 2-3 | new rating: 1499 | ||
| Grand Prix Florence 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 145 | Vergendo, Maurizio (1487) | Won 2-0 | +181518 |
| 2extended | 22 | Martinengo, Franco (1447) | Lost 0-2 | -201498 |
| 3extended | 204 | Ballivet, Louis (1483) | Won 2-0 | +181516 |
| 4extended | 69 | Canali, Pierre (1551) | Won 2-0 | +191535 |
| 5extended | 86 | Vasic, Zeljko (1535) | Won 2-1 | +181553 |
| 6extended | 37 | Gatti, Matteo (1553) | Lost 0-2 | -181535 |
| 7extended | 78 | Ricci Picciloni, Luca (1564) | Lost 1-2 | -181517 |
| top | average opponent: 1517record: 4-3 | new rating: 1517 | ||