Mason, Jim
Current rating: 1543
Record: 7-5-1 (GP) / 3-4 (professional)
| Grand Prix Austin 2004 (COK limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 89 | Hamby, Chris (1518) | Won 2-1 | +191520 |
| 3sealed | 32 | Cao, Jimmy (1535) | Draw 1-1 | 01520 |
| 4sealed | 54 | Shapiro, Jeremy (1609) | Lost 0-2 | -161504 |
| 5sealed | 82 | Delfino, Dio Alexander (1551) | Lost 1-2 | -171487 |
| 6sealed | 106 | Wredberg, Tim (1503) | Won 2-0 | +181505 |
| 7sealed | 79 | Roman, Ed (1614) | Won 2-1 | +201525 |
| 8sealed | 56 | Dean, Mark (1538) | Won 2-1 | +181543 |
| top | average opponent: 1552record: 4-2-1 | new rating: 1543 | ||
| Pro Tour Houston 2002 (extended) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 106 | Natale, Tommaso (1713) | Won 2-1 | +221527 |
| 2extended | 15 | Kosmidis, Jon (1522) | Lost 1-2 | -181509 |
| 3extended | 128 | Chadha, Carlos (1617) | Lost 0-2 | -161493 |
| 4extended | 134 | McCord, Scott (1749) | Lost 1-2 | -131480 |
| 5extended | 136 | Donn, Christopher (1465) | Won 2-0 | +171497 |
| 6extended | 100 | De Rosa, Antonino (1893) | Lost 1-2 | -111486 |
| 7extended | 101 | Napper, Josh (1340) | Won 1-0 | +151501 |
| top | average opponent: 1614record: 3-4 | new rating: 1501 | ||
| Grand Prix Houston 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 7 | Egli, Walter (1564) | Won 2-0 | +191519 |
| 3extended | 27 | Pavlov, Nicholas (1519) | Lost 0-2 | -181501 |
| 4extended | 66 | Resendez, Festus (1518) | Won 2-0 | +181519 |
| 5extended | 54 | Jones, Trent (1520) | Lost 0-2 | -181501 |
| 6extended | 62 | Silapachai, Komson (1534) | Lost 1-2 | -171484 |
| 7extended | 67 | Polin, Justin (1665) | Won 2-0 | +211505 |
| top | average opponent: 1553record: 3-3 | new rating: 1505 | ||