McGowan, Mark
Current rating: 1425
Record: 8-12-1
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 234 | Kemmerly, Ben (1480) | Lost 1-2 | -181426 |
| 2standard | 347 | Fraser, Duncan (1482) | Won 2-1 | +191445 |
| 3standard | 444 | Caravas, Dimitrios (1353) | Won 2-0 | +171462 |
| 4standard | 245 | Stewart, Alexander (1329) | Won 2-0 | +151477 |
| 5standard | 192 | Maley, Nick (1631) | Lost 0-2 | -151462 |
| 6standard | 281 | Springston, Elliott (1313) | Lost 0-2 | -211441 |
| 7standard | 468 | West, Matthew (1511) | Lost 1-2 | -161425 |
| top | average opponent: 1443record: 3-4 | new rating: 1425 | ||
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 323 | Snowden, Corey (1464) | Won 2-1 | +181499 |
| 2standard | 265 | Brown, David (1469) | Lost 0-2 | -181481 |
| 3standard | 566 | Lau, Kevin (1463) | Lost 0-2 | -191462 |
| 4standard | 611 | Bujnowski, Cody (1428) | Lost 1-2 | -181444 |
| top | average opponent: 1456record: 1-3 | new rating: 1444 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 242 | Demm, Patrick (1500) | Lost 0-2 | -181484 |
| 2modern | 1095 | DiMatteo, Joseph (1482) | Lost 1-2 | -181466 |
| 3modern | 1266 | Arthur, Ben (1464) | Won 2-1 | +181484 |
| 4modern | 1108 | Snyder, Jason (1487) | Won 2-1 | +181502 |
| 5modern | 752 | Ciencin, Chris (1372) | Lost 0-2 | -211481 |
| top | average opponent: 1461record: 2-3 | new rating: 1481 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 889 | Crist, Jason (1536) | Lost 0-2 | -171483 |
| 4legacy | 1093 | Banho, Paulo (1481) | Won 2-0 | +181501 |
| 5legacy | 770 | Charlton, Andrew (1537) | Draw 1-1 | 01501 |
| 6legacy | 724 | Lewis, Scott (1562) | Won 2-0 | +191520 |
| 7legacy | 658 | Ekey, Matthew (1489) | Lost 1-2 | -181502 |
| top | average opponent: 1521record: 2-2-1 | new rating: 1502 | ||