Spiteri, Jason
Current rating: 1582
Record: 27-18-2 (GP) / 3-8 (professional)
| Grand Prix Milan 2014 (JOU limited) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 317 | Klein, David (1500) | Lost 1-2 | -201586 |
| 2sealed | 355 | Sousa, Joao (1719) | Won 2-1 | +201606 |
| 3sealed | 321 | Viciani, Stefano (1466) | Lost 0-2 | -201586 |
| 4sealed | 393 | [anonymous] | Won 2-0 | +151601 |
| 5sealed | 298 | De Luca, Marcello (1501) | Lost 1-2 | -191582 |
| top | average opponent: 1528record: 2-3 | new rating: 1582 | ||
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1069 | Rey, Bertrand (1500) | Won 2-0 | +171592 |
| 2sealed | 1037 | Gaillard, Antoine (1518) | Draw 1-1 | -21590 |
| 3sealed | 1124 | Verite, Nicolas (1502) | Won 2-0 | +171607 |
| 4sealed | 1109 | Gentil, Pascal (1552) | Won 2-1 | +171624 |
| 5sealed | 1050 | Schafer, Carsten (1713) | Won 2-1 | +191643 |
| 6sealed | 1029 | Weinberger, Andrew (1506) | Lost 0-2 | -201623 |
| 7sealed | 1066 | Murray, Stephen (1681) | Lost 1-2 | -171606 |
| top | average opponent: 1567record: 4-2-1 | new rating: 1606 | ||
| Grand Prix Florence 2010 (SOM limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 37 | Tziotis, Petros (1540) | Lost 1-2 | -181520 |
| 3sealed | 161 | Menta, Kristian (1518) | Won 2-1 | +181538 |
| 4sealed | 102 | Sarti, Nicolo (1582) | Won 2-0 | +191557 |
| 5sealed | 63 | Marciano, Giancarlo (1546) | Won 2-0 | +171574 |
| 6sealed | 87 | Martineau, Jerome (1633) | Won 2-1 | +191593 |
| 7sealed | 32 | Gasser, Jakob (1609) | Won 2-1 | +191612 |
| 8sealed | 26 | Giovannetti, Simone (1587) | Lost 1-2 | -191593 |
| 9sealed | 47 | Capasso, Pasquale (1582) | Lost 1-2 | -181575 |
| top | average opponent: 1574record: 5-3 | new rating: 1575 | ||
| 2009 World Championship (mixed) | starting rating: 1610 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 131 | Lehner, Bernhard (1566) | Lost 0-2 | -191591 |
| 2standard | 148 | Lee, Kai Yip (1568) | Won 2-0 | +181609 |
| 3standard | 141 | Kurihara, Shingou (2044) | Won 2-0 | +251634 |
| 4standard | 35 | Lundquist, Ben (1927) | Lost 1-2 | -121622 |
| 5standard | 127 | Moschini, Esteban (1534) | Lost 0-2 | -201602 |
| 6standard | 163 | Edel, Willy (1760) | Lost 1-2 | -151587 |
| 7draft | 51 | Porter, James Serafin (1647) | Lost 0-2 | -171570 |
| 8draft | 91 | Eigner, Nikolaus (1747) | Lost 0-2 | -151555 |
| 9draft | 187 | Odriozola, Juan (1466) | Lost 0-2 | -191536 |
| 10draft | 37 | Mattar, Hugo (1441) | Won 2-1 | +161552 |
| 11draft | 186 | Massicard, Yann (1764) | Lost 0-2 | -141538 |
| top | average opponent: 1679record: 3-8 | new rating: 1538 | ||
| Grand Prix Birmingham 2004 (DST limited) | starting rating: 1635 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 70 | Hollies, Martin (1500) | Lost 0-2 | -201615 |
| 2sealed | 210 | Cheshire, Jeffrey (1483) | Won 2-1 | +151630 |
| 3sealed | 1 | Ashby, Claire (1513) | Lost 0-2 | -201610 |
| top | average opponent: 1499record: 1-2 | new rating: 1610 | ||
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 450 | Rodriguez, Manuel (1597) | Won 2-0 | +191540 |
| 2sealed | 171 | Barroso, Jose (1518) | Won 2-1 | +181558 |
| 3sealed | 19 | Robles Ortiz, Eduardo (1536) | Won 2-1 | +171575 |
| 4sealed | 71 | Kolb, Markus (1632) | Won 2-0 | +191594 |
| 5sealed | 45 | Hein, Dirk (1678) | Draw 1-1 | +21596 |
| 6sealed | 30 | Gonzalez Fernandez, Miguel (1572) | Won 2-0 | +171613 |
| 7sealed | 16 | Dos Santos, Virgilio (1560) | Won 2-1 | +171630 |
| 8sealed | 8 | Sanchez, Alejandro (1583) | Won 2-1 | +181648 |
| 9sealed | 4 | Diaz Garcia, Juan Pedro (1615) | Won 2-0 | +171665 |
| 10draft | 60 | Levy, Raphael (1902) | Lost 0-2 | -141651 |
| 11draft | 44 | Ruel, Antoine (1935) | Lost 0-2 | -131638 |
| 12draft | 18 | Schlatter, Urs (1532) | Lost 0-2 | -201618 |
| 13draft | 42 | Costa, Frederico (1582) | Won 2-0 | +181636 |
| 14draft | 4 | Alonso Ortiz, Emilio (1614) | Lost 1-2 | -191617 |
| 15draft | 41 | Castillo, Emilio (1619) | Won 2-1 | +181635 |
| top | average opponent: 1632record: 10-4-1 | new rating: 1635 | ||
| Grand Prix Munich 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 81 | Obermeier, Christian (1500) | Lost 0-2 | -181482 |
| 2sealed | 403 | Graner, Dominik (1483) | Won 2-1 | +181500 |
| 3sealed | 187 | Schuster, Bernd (1499) | Lost 1-2 | -181482 |
| 4sealed | 351 | Schulze, Marissa (1481) | Won 2-1 | +181500 |
| 5sealed | 299 | Jimenez, Michael (1500) | Won 2-1 | +181518 |
| 6sealed | 228 | Wurmitzer, Bernhard (1551) | Won 2-0 | +191537 |
| 7sealed | 180 | Hoof, Cristian (1540) | Lost 1-2 | -181519 |
| 8sealed | 160 | Chochoiek, Carsten (1516) | Won 2-0 | +181537 |
| 9sealed | 109 | Foltyn, Jan (1650) | Lost 1-2 | -161521 |
| top | average opponent: 1524record: 5-4 | new rating: 1521 | ||