Mazzella, Clement
Current rating: 1462
Record: 12-17-2 (GP) / 3-4 (professional)
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 65 | Wilbrand, Robert (1720) | Draw 1-1 | +51474 |
| 5sealed | 52 | Krommydas, Andreas (1438) | Lost 1-2 | -191455 |
| 6sealed | 109 | Hugony, Francesco (1871) | Won 2-1 | +251480 |
| 7sealed | 67 | Brutsche, Stephane (1480) | Lost 0-2 | -181462 |
| top | average opponent: 1627record: 1-2-1 | new rating: 1462 | ||
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1419 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 103 | Le Guiffant, Simon (1567) | Won 2-0 | +211440 |
| 2sealed | 140 | Toublanc, Alexis (1453) | Lost 0-2 | -181422 |
| 3sealed | 352 | Hombourger, Loic (1488) | Won 2-1 | +201442 |
| 4sealed | 135 | Grafensteiner, Daniel (1803) | Lost 1-2 | -121430 |
| 5sealed | 234 | Van Hoeymissen, Wim (1460) | Won 2-1 | +181448 |
| 6sealed | 256 | Lefevre, Thierry (1502) | Won 2-1 | +191467 |
| 7sealed | 168 | Bataille, Nicolas (1439) | Won 2-0 | +181485 |
| 8sealed | 59 | Creiche, Selim (1628) | Lost 1-2 | -161469 |
| top | average opponent: 1542record: 5-3 | new rating: 1469 | ||
| Grand Prix Barcelona 2009 (ARB standard) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 29 | Di Sevo, Mirko (1591) | Lost 1-2 | -161434 |
| 3standard | 222 | Lerin Perez, Eduardo (1500) | Lost 0-2 | -171417 |
| 4standard | 334 | Rigden, Charlotte E (1463) | Lost 0-2 | -171400 |
| 5standard | 286 | Sanchez, Da 9659 (1465) | Won 2-0 | +191419 |
| top | average opponent: 1505record: 1-3 | new rating: 1419 | ||
| Grand Prix Paris 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 714 | Pawlak, Yannick (1498) | Lost 1-2 | -181482 |
| 3sealed | 810 | Herms, Roc (1683) | Lost 1-2 | -151467 |
| 4sealed | 800 | Gauthier, Gregory (1482) | Lost 1-2 | -171450 |
| top | average opponent: 1554record: 0-3 | new rating: 1450 | ||
| Grand Prix Brussels 2008 (SHM limited) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 93 | Brinks, Eric (1357) | Won 2-0 | +161472 |
| 3sealed | 57 | Trossbach, Martin (1523) | Lost 0-2 | -171455 |
| 4sealed | 211 | Creutz, Christian (1534) | Won 2-0 | +191474 |
| 5sealed | 104 | Van Goethem, Stijn (1552) | Lost 1-2 | -161458 |
| 6sealed | 142 | Malasidou, Katerina (1502) | Won 2-0 | +181476 |
| 7sealed | 83 | Matignon, Guillaume (1725) | Won 0-0 | +231499 |
| 8sealed | 88 | Roussinos, Dimitris P (1474) | Won 2-0 | +171516 |
| 9sealed | 28 | Kleij, Rogier (1596) | Lost 0-2 | -161500 |
| top | average opponent: 1533record: 5-3 | new rating: 1500 | ||
| Grand Prix Paris 2004 (COK limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 181 | da Silva, Antonio 5270 (1518) | Draw 1-1 | 01505 |
| 3sealed | 129 | Rottger, Daniel (1697) | Lost 0-1 | -141491 |
| 4sealed | 227 | Santiago, Florian (1519) | Lost 0-2 | -181473 |
| 5sealed | 263 | Neyens, Kris (1498) | Lost 0-2 | -171456 |
| top | average opponent: 1558record: 0-3-1 | new rating: 1456 | ||
| Pro Tour New Orleans 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 57 | Gromko, Radoslaw (1811) | Won 2-0 | +231523 |
| 2extended | 48 | Dougherty, Robert (1806) | Lost 0-2 | -121511 |
| 3extended | 91 | Hostetler, Jesse (1531) | Lost 0-2 | -181493 |
| 4extended | 110 | Lo Moro, Raffaele (1709) | Lost 0-2 | -141479 |
| 5extended | 135 | Moraes, Claudio (1469) | Won 2-0 | +181497 |
| 6extended | 101 | Caumes, Benjamin (1587) | Won 2-1 | +191516 |
| 7extended | 80 | Gary, Justin (1903) | Lost 0-2 | -111505 |
| top | average opponent: 1688record: 3-4 | new rating: 1505 | ||