Mayer, David
Current rating: 1555
Record: 18-15
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 53 | Juliano, Christopher (1528) | Lost 0-2 | -181519 |
| 2sealed | 367 | Brewer, Dustin (1485) | Won 2-0 | +181537 |
| 3sealed | 343 | Sukenik, Jonathan (1706) | Won 2-0 | +211558 |
| 4sealed | 279 | Mehra, Rajesh (1519) | Lost 0-2 | -191539 |
| 5sealed | 285 | Jargowsky, Bill (1438) | Won 2-0 | +161555 |
| 6sealed | 149 | Kaplan, Michael (1556) | Won 2-0 | +181573 |
| 7sealed | 155 | Barash, Zachary (1546) | Lost 0-2 | -181555 |
| top | average opponent: 1540record: 4-3 | new rating: 1555 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 13 | Dyson, Sam R (1518) | Won 2-0 | +171578 |
| 3extended | 45 | Strong, Zach R (1518) | Lost 0-2 | -191559 |
| 4extended | 130 | Laskin, Lewis (1423) | Won 2-1 | +151574 |
| 5extended | 92 | Elliott, Vincent W (1605) | Lost 1-2 | -171557 |
| 6extended | 162 | Chung, Brian T (1470) | Lost 0-2 | -201537 |
| top | average opponent: 1507record: 2-3 | new rating: 1537 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 85 | Mulvaney, Cameron (1500) | Won 2-1 | +171544 |
| 2legacy | 74 | Klein, Matthew (1480) | Won 2-1 | +171561 |
| 3legacy | 51 | Probasco, Andrew (1635) | Lost 1-2 | -161545 |
| 4legacy | 154 | Evans, Stephen (1541) | Lost 1-2 | -181527 |
| 5legacy | 218 | Resides, Jon (1499) | Won 2-0 | +171544 |
| 6legacy | 170 | McGlynn, Jason P (1519) | Won 2-0 | +181562 |
| 7legacy | 87 | Cox, Matthew (1553) | Won 1-0 | +171579 |
| 8legacy | 82 | Mochal, Ryan (1535) | Lost 0-2 | -181561 |
| top | average opponent: 1533record: 5-3 | new rating: 1561 | ||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 147 | Lefkowitz, Aaron D (1500) | Lost 1-2 | -181466 |
| 2legacy | 368 | Deng, Steven (1482) | Won 2-1 | +181484 |
| 3legacy | 354 | DuBois, Ryan (1500) | Won 2-0 | +191503 |
| 4legacy | 239 | Lafleur, Collin (1580) | Won 2-1 | +191522 |
| 5legacy | 219 | Saylor, David (1705) | Lost 0-2 | -151507 |
| 6legacy | 225 | Grendell, James (1518) | Won 2-1 | +181525 |
| 7legacy | 223 | Ranallo, Tony (1537) | Won 2-1 | +191544 |
| 8legacy | 96 | Hinkle, Charles (1616) | Lost 1-2 | -171527 |
| top | average opponent: 1555record: 5-3 | new rating: 1527 | ||
| Grand Prix Atlanta 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 118 | Mansoor, Mat M (1538) | Won 2-0 | +191519 |
| 2sealed | 53 | Morgan, Jeremy (1517) | Lost 1-2 | -181501 |
| 3sealed | 230 | Chandler, Travis A (1470) | Won 2-0 | +171518 |
| 4sealed | 163 | Jacobson, Josh (1604) | Lost 0-2 | -161502 |
| 5sealed | 227 | Steinbach, Christopher L (1500) | Lost 0-2 | -181484 |
| top | average opponent: 1526record: 2-3 | new rating: 1484 | ||