Czirr, Mark
Current rating: 1498
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 70 | Damon, Kevin (1500) | Lost 1-2 | -181499 |
| 2sealed | 308 | Born, Ryan (1481) | Won 2-1 | +171516 |
| 3sealed | 403 | Beauchamp, Adam (1574) | Lost 0-2 | -161500 |
| 4sealed | 418 | Torra, Eduardo (1430) | Won 2-1 | +161516 |
| 5sealed | 343 | Guffy, Travis (1521) | Lost 0-2 | -181498 |
| top | average opponent: 1501record: 2-3 | new rating: 1498 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 553 | Locascio, Michael C (1500) | Won 2-0 | +171536 |
| 2sealed | 528 | Doshi, Vishvas (1611) | Lost 0-2 | -161520 |
| 3sealed | 600 | Milner, John (1449) | Lost 0-2 | -201500 |
| 4sealed | 655 | Mason, Brian (1434) | Won 2-0 | +171517 |
| top | average opponent: 1498record: 2-2 | new rating: 1517 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 755 | Foradori, Keith L (1500) | Won 2-1 | +181518 |
| 2standard | 644 | Episcopo, Anthony (1518) | Lost 1-2 | -181500 |
| 3standard | 771 | Pongonis, Jason M (1502) | Lost 1-2 | -181482 |
| 4standard | 967 | Chittum, Landon C (1483) | Won 2-1 | +181500 |
| 5standard | 827 | Staton, Branch (1497) | Won 2-0 | +181518 |
| 6standard | 821 | Bartley, Matthew (1520) | Won 2-0 | +181536 |
| 7standard | 740 | Morison, Kyle (1569) | Won 2-1 | +191555 |
| 8standard | 698 | Grube, Peter L (1593) | Lost 0-2 | -181537 |
| 9standard | 689 | Rhoades, Joshua (1496) | Lost 0-2 | -181519 |
| top | average opponent: 1520record: 5-4 | new rating: 1519 | ||