Mason, Eric
Current rating: 1576
Record: 21-17-1
| Grand Prix New York 2016 (SOI standard) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 65 | Yan, Wah (1462) | Draw 1-1 | -21543 |
| 2standard | 443 | Rosby, Graham (1500) | Won 2-0 | +171560 |
| 3standard | 469 | Kirkwood, Griffin (1519) | Won 2-0 | +181578 |
| 4standard | 254 | Cooperman, Ross (1635) | Won 2-1 | +191597 |
| 5standard | 132 | Dixon, Caleb (1525) | Lost 0-2 | -201577 |
| 6standard | 298 | Guichon, Gabriel (1536) | Won 1-0 | +171594 |
| 7standard | 183 | Van Vaals, Michael (1718) | Lost 0-2 | -151579 |
| 8standard | 327 | Orloff, Stuart (1537) | Won 2-0 | +171596 |
| 9standard | 219 | Munteanu, Laura (1503) | Lost 0-2 | -201576 |
| top | average opponent: 1548record: 5-3-1 | new rating: 1576 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 587 | Cloutier, Brian (1449) | Won 2-1 | +161584 |
| 2sealed | 57 | Fasano, Joe (1448) | Lost 0-2 | -201564 |
| 3sealed | 463 | Song, Daniel (1500) | Lost 0-2 | -191545 |
| top | average opponent: 1466record: 1-2 | new rating: 1545 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 457 | Becker, Eric (1703) | Won 2-0 | +201607 |
| 5extended | 405 | Rogers, Dakota (1555) | Lost 0-2 | -191588 |
| 6extended | 467 | Amburgey, Brad (1519) | Won 2-1 | +171605 |
| 7extended | 438 | Popick, Joel (1671) | Lost 0-2 | -171588 |
| 8extended | 466 | Morrison, David [USA] (1492) | Lost 0-2 | -201568 |
| top | average opponent: 1588record: 2-3 | new rating: 1568 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 558 | Balling, Victor (1573) | Won 2-0 | +191561 |
| 3legacy | 419 | Thompson, Gerry (1830) | Lost 0-2 | -131548 |
| 4legacy | 562 | Gibson, William (1495) | Won 2-1 | +171565 |
| 5legacy | 451 | Shreve, Noah (1537) | Won 2-1 | +171582 |
| 6legacy | 459 | Bono, Joe (1535) | Lost 0-2 | -191563 |
| 7legacy | 492 | Ekstrand, Matthew B (1611) | Won 2-1 | +191582 |
| 8legacy | 472 | Woods, Conley (1913) | Won 2-0 | +241606 |
| 9legacy | 436 | Jagasia, Gandhi (1548) | Lost 0-2 | -191587 |
| top | average opponent: 1630record: 5-3 | new rating: 1587 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 46 | Nowakowski, Stephen (1554) | Lost 1-2 | -171520 |
| 5standard | 89 | Wise, Wesley (1523) | Lost 0-2 | -181502 |
| 6standard | 188 | Dyga, Adam (1575) | Won 2-0 | +191521 |
| 7standard | 186 | Utter-Leyton, Josh (1733) | Won 2-1 | +221543 |
| 8standard | 70 | Boyd, Khaatim (1498) | Won 2-0 | +171560 |
| 9standard | 39 | Boswell, Andrew (1575) | Lost 1-2 | -181542 |
| top | average opponent: 1576record: 3-3 | new rating: 1542 | ||
| Grand Prix Boston 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 13 | Currence, Bryce (1596) | Lost 0-2 | -161484 |
| 2sealed | 224 | Soule, Nathan (1482) | Won 2-1 | +181502 |
| 3sealed | 154 | Moynihan, Ed (1500) | Lost 0-2 | -181484 |
| 4sealed | 222 | Soucie, Dustin (1481) | Won 2-1 | +181502 |
| 5sealed | 158 | Tocci, Mark (1500) | Won 2-0 | +181520 |
| 6sealed | 114 | Ksepka, Daniel (1520) | Won 2-1 | +181538 |
| 7sealed | 81 | Smith, Eric (1521) | Won 2-1 | +171555 |
| 8sealed | 73 | White, Jeremy (1557) | Lost 1-2 | -181537 |
| top | average opponent: 1519record: 5-3 | new rating: 1537 | ||