Sponza, Marco
Current rating: 1444
Record: 23-26-5
| Grand Prix Bologna 2017 (AKH limited) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 167 | Edet, Johan (1634) | Lost 1-2 | -161476 |
| 4sealed | 535 | Staton, Sam (1436) | Lost 0-2 | -191457 |
| 5sealed | 608 | Waugh, Nick (1497) | Won 2-0 | +191476 |
| 6sealed | 306 | Azzoni, Emanuele (1655) | Lost 1-2 | -151461 |
| 7sealed | 581 | Scoppetta, Sergio (1473) | Lost 1-2 | -171444 |
| top | average opponent: 1539record: 1-4 | new rating: 1444 | ||
| Grand Prix Turin 2012 (modern) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 621 | Ciocchetti, Matteo (1500) | Won 2-1 | +171564 |
| 3modern | 547 | Plagge, Julian (1600) | Lost 0-2 | -171547 |
| 4modern | 628 | Marzano, Pierre (1472) | Lost 1-2 | -201527 |
| 5modern | 689 | Wolf, Stefan (1576) | Lost 1-2 | -171510 |
| 6modern | 717 | Francioni, Michele (1482) | Lost 0-2 | -181492 |
| top | average opponent: 1526record: 1-4 | new rating: 1492 | ||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 120 | Santomo, Lorenzo (1500) | Draw 1-1 | -11550 |
| 2sealed | 235 | Ammari, Marios (1499) | Lost 0-2 | -191531 |
| 3sealed | 325 | Bozzo, Rodolfo (1529) | Lost 1-2 | -181513 |
| 4sealed | 400 | Cassina, Tiziano (1448) | Won 2-1 | +171530 |
| 5sealed | 338 | Tanner, Sascha (1486) | Won 2-0 | +171547 |
| 6sealed | 262 | Garcia Freixa, Marc (1550) | Lost 0-2 | -181529 |
| 7sealed | 250 | Fichera, Giovanni (1528) | Won 2-0 | +181547 |
| top | average opponent: 1506record: 3-3-1 | new rating: 1547 | ||
| Grand Prix Florence 2010 (SOM limited) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 11 | Mule, Francesco (1500) | Won 1-0 | +171549 |
| 2sealed | 46 | Kopfli, Hugo (1690) | Lost 0-2 | -151534 |
| 3sealed | 112 | Poli, Andrea (1501) | Lost 0-2 | -191515 |
| 4sealed | 239 | Ausilio, Flavio (1693) | Won 2-0 | +221537 |
| 5sealed | 180 | Usuelli, Michele (1481) | Won 2-0 | +171554 |
| 6sealed | 111 | Donnelly, Adrian (1483) | Lost 0-2 | -201534 |
| 7sealed | 137 | Afonso, Tiago (1437) | Won 2-1 | +171551 |
| top | average opponent: 1541record: 4-3 | new rating: 1551 | ||
| Grand Prix Florence 2007 (Time Spiral block) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 357 | Cannamela, Giacomo (1518) | Won 2-1 | +171588 |
| 3block | 364 | Colazzina, Valerio (1536) | Lost 0-2 | -191569 |
| 4block | 412 | Mazzurco, Carlo (1611) | Draw 1-1 | +11570 |
| 5block | 422 | Fontaine, Marc (1512) | Lost 1-2 | -191551 |
| 6block | 476 | Carli Maltinti, Lorenzo (1543) | Draw 1-1 | 01551 |
| 7block | 474 | Barozzino, Samuele (1502) | Lost 1-2 | -191532 |
| top | average opponent: 1537record: 1-3-2 | new rating: 1532 | ||
| Grand Prix Turin 2006 (DIS limited) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 107 | Bonisoli, Francesco (1500) | Lost 1-2 | -181488 |
| 2sealed | 225 | Calloni, Stefano (1484) | Won 2-0 | +181506 |
| 3sealed | 175 | Picciafuochi, Riccardo (1616) | Won 2-1 | +201526 |
| 4sealed | 140 | Galassi, Luca (1520) | Draw 1-1 | 01526 |
| 5sealed | 136 | Hallwirth, Stephan (1484) | Won 2-0 | +171543 |
| 6sealed | 102 | Orabona, Francesco (1546) | Won 2-0 | +181561 |
| 7sealed | 56 | Grudowski, Dennis (1819) | Won 2-1 | +231584 |
| 8sealed | 34 | da Costa Cabral, Bernardo (1908) | Lost 1-2 | -131571 |
| top | average opponent: 1610record: 5-2-1 | new rating: 1571 | ||
| Grand Prix Bologna 2005 (SOK limited) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 189 | Martelli, Lucio (1420) | Won 2-0 | +151568 |
| 2sealed | 86 | Beligiannis, Taxiarhis (1402) | Lost 1-2 | -211547 |
| 3sealed | 183 | Nuutinen, Petri (1485) | Lost 1-2 | -191528 |
| 4sealed | 242 | Ferrantelli, Luca (1482) | Won 2-0 | +171545 |
| 5sealed | 187 | Reale, Riccardo (1507) | Won 2-1 | +181563 |
| 6sealed | 158 | Antolini, Raniero (1502) | Lost 1-2 | -201543 |
| 7sealed | 131 | Schneiber, Benedikt (1514) | Lost 0-2 | -181525 |
| 8sealed | 121 | Sarron, Emeric (1478) | Lost 1-2 | -191506 |
| top | average opponent: 1474record: 3-5 | new rating: 1506 | ||
| Grand Prix Genoa 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 71 | Bugliani, Stefano (1500) | Draw 1-1 | 01500 |
| 2block | 153 | Bondarenko, Bogdan (1500) | Won 2-0 | +181518 |
| 3block | 104 | Bellucci, Fabio (1518) | Lost 0-1 | -181500 |
| 4block | 179 | Orlandi, Thomas (1502) | Lost 0-2 | -181482 |
| 5block | 212 | Caliandro, Alessio (1484) | Won 2-0 | +181500 |
| 6block | 164 | Follini, Stefano (1502) | Won 2-0 | +181518 |
| 7block | 114 | Molders, Nikolaus (1450) | Won 2-0 | +171535 |
| 8block | 79 | Erdmann, Lilian (1517) | Won 2-0 | +181553 |
| top | average opponent: 1497record: 5-2-1 | new rating: 1553 | ||