Landers, Mark
Current rating: 1430
Record: 4-9
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 630 | DiGiovanni, Eric (1500) | Won 2-0 | +191462 |
| 2sealed | 626 | Dean, John (1664) | Lost 0-2 | -141448 |
| 3sealed | 325 | Campbell, Matthew (1466) | Lost 0-2 | -181430 |
| top | average opponent: 1544record: 1-2 | new rating: 1430 | ||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 73 | Ward, Nathan (1547) | Won 2-1 | +201451 |
| 3extended | 87 | Bonifacio, Michael J (1535) | Won 2-0 | +191470 |
| 4extended | 50 | Williams, David A (1721) | Won 2-0 | +231493 |
| 5extended | 50 | Clark, Michael N (1551) | Lost 1-2 | -171476 |
| 6extended | 38 | Oliveros, Alex (1623) | Lost 1-2 | -151461 |
| 7extended | 149 | Nokes, Joseph (1496) | Lost 0-2 | -181443 |
| top | average opponent: 1579record: 3-3 | new rating: 1443 | ||
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 50 | Palermo, Julian J (1519) | Lost 0-2 | -171448 |
| 4sealed | 332 | Waeber, Jason P (1501) | Lost 1-2 | -171431 |
| top | average opponent: 1510record: 0-2 | new rating: 1431 | ||
| Grand Prix Daytona Beach 2007 (LRW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 27 | Kincaid, Tim (1527) | Lost 0-2 | -181482 |
| 5sealed | 121 | Patnik, Michael (1502) | Lost 0-2 | -171465 |
| top | average opponent: 1515record: 0-2 | new rating: 1465 | ||