Purugganan, Mark
Current rating: 1425
Record: 9-14
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 157 | Castillo, Eduardo (1518) | Won 2-0 | +191450 |
| 3standard | 78 | Stevens, Michael (1337) | Won 2-0 | +161466 |
| 4standard | 105 | Ake, Albert (1589) | Lost 0-2 | -151451 |
| 5standard | 318 | Ho, Fang (1681) | Lost 0-2 | -141437 |
| 6standard | 256 | Cieszinski, Michael (1627) | Lost 0-2 | -151422 |
| 7standard | 260 | Getreu, Daniel (1499) | Won 2-0 | +191441 |
| 8standard | 202 | Lopez, Joshua (1502) | Lost 0-2 | -161425 |
| top | average opponent: 1536record: 3-4 | new rating: 1425 | ||
| Grand Prix Dallas-Fort Worth 2013 (THS standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 275 | Little, Bruce (1500) | Lost 1-2 | -181484 |
| 2standard | 365 | Mosley, Brock (1482) | Lost 0-2 | -181466 |
| 3standard | 437 | Silva, Alvaro (1464) | Lost 1-2 | -181448 |
| 4standard | 465 | Lee, Matt (1476) | Lost 1-2 | -171431 |
| top | average opponent: 1481record: 0-4 | new rating: 1431 | ||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 48 | Hall, Scott (1518) | Lost 0-2 | -181540 |
| 3sealed | 200 | Synn, Mathew (1517) | Lost 1-2 | -191521 |
| 4sealed | 336 | Sullivan, Jake (1481) | Lost 1-2 | -191502 |
| top | average opponent: 1505record: 0-3 | new rating: 1502 | ||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 243 | Feris, Samuel (1431) | Won 2-1 | +171517 |
| 2standard | 84 | Ramos, Michael (1459) | Won 2-1 | +171534 |
| 3standard | 116 | Fann, Alex (1439) | Won 2-1 | +161550 |
| 4standard | 29 | Gentillet, Jerome (1709) | Won 2-1 | +211571 |
| 5standard | 9 | Williams, Ryan C (1574) | Lost 0-2 | -181553 |
| 6standard | 91 | Bogucki, Woodrow (1719) | Lost 1-2 | -151538 |
| 7standard | 156 | Frias, Christian (1543) | Won 2-0 | +181556 |
| 8standard | 55 | Smith, Derek J (1681) | Won 2-1 | +201576 |
| 9standard | 70 | Schendel, William (1575) | Lost 1-2 | -181558 |
| top | average opponent: 1570record: 6-3 | new rating: 1558 | ||