Marks, Marty
Current rating: 1533
| Grand Prix Richmond 2006 (GPT limited) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 70 | Berkley, Chris (1500) | Won 1-0 | +181512 |
| 2sealed | 60 | Rankin, Mark (1518) | Won 2-1 | +181530 |
| 3sealed | 31 | King, Stephen (1561) | Lost 1-2 | -171513 |
| 4sealed | 151 | Stelmack, Andrew (1529) | Lost 0-2 | -181495 |
| 5sealed | 163 | Dinh, Peter (1501) | Won 2-1 | +181513 |
| 6sealed | 99 | Baum, Nathan (1570) | Won 2-1 | +191532 |
| 7sealed | 64 | Langford, Chris (1498) | Won 2-0 | +181550 |
| 8sealed | 56 | Cohen, Debbie (1591) | Lost 1-2 | -171533 |
| top | average opponent: 1534record: 5-3 | new rating: 1533 | ||
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 51 | Lewis, Mark (1500) | Won 2-1 | +191484 |
| 2sealed | 109 | Davis, Robb (1500) | Won 2-1 | +181502 |
| 3sealed | 33 | Arendt, Rafal (1537) | Lost 1-2 | -181484 |
| 4sealed | 232 | Miller, Stephen (1501) | Won 2-0 | +191503 |
| 5sealed | 140 | Williams, David A (1751) | Lost 0-2 | -141489 |
| 6sealed | 177 | Mantey, Tyler (1519) | Lost 1-2 | -171472 |
| 7sealed | 163 | Kirby, Derek (1499) | Won 2-1 | +181490 |
| 8sealed | 127 | Warren, Ward (1522) | Lost 1-2 | -171473 |
| 9sealed | 116 | Shuldiner, Allan (1659) | Won 2-1 | +211494 |
| top | average opponent: 1554record: 5-4 | new rating: 1494 | ||
| Grand Prix Tampa Bay 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 14 | Magar, Nick (1517) | Won 2-0 | +181518 |
| 2sealed | 2 | Martin, Josh (1574) | Won 2-1 | +191537 |
| 3sealed | 33 | Goodman, Jeremy A (1518) | Lost 0-2 | -181519 |
| 4sealed | 106 | Wetherell, Ron (1518) | Lost 0-2 | -181501 |
| 5sealed | 105 | Rogasner, Gabriel (1498) | Lost 1-2 | -181483 |
| 6sealed | 108 | Black, Ezekiel (1482) | Lost 1-2 | -181465 |
| top | average opponent: 1518record: 2-4 | new rating: 1465 | ||