Mayo, Michael F
Current rating: 1492
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 294 | Craig, William (1500) | Lost 1-2 | -191530 |
| 2sealed | 366 | Dosher, Josh (1463) | Lost 0-2 | -191511 |
| 3sealed | 527 | Peltokangas, Henry (1429) | Lost 1-2 | -191492 |
| top | average opponent: 1464record: 0-3 | new rating: 1492 | ||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 37 | Francis, Scott (1464) | Won 2-1 | +161576 |
| 2legacy | 74 | Paschal, David (1498) | Lost 0-2 | -191557 |
| 3legacy | 260 | Elliott, Bryan (1470) | Lost 0-2 | -201537 |
| 4legacy | 390 | stephens, ryan s (1482) | Lost 0-2 | -191518 |
| 5legacy | 406 | Bongiorno, Dan (1428) | Lost 0-2 | -191499 |
| 6legacy | 374 | Joyner, Kevin (1463) | Won 2-0 | +171516 |
| 7legacy | 328 | James, Timothy (1461) | Won 2-0 | +171533 |
| 8legacy | 274 | Allen, David (1481) | Draw 1-1 | -11532 |
| 9legacy | 241 | Hiller, Ryan (1481) | Won 2-0 | +171549 |
| top | average opponent: 1470record: 4-4-1 | new rating: 1549 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 552 | Humphries, Shawn (1500) | Won 2-0 | +181518 |
| 2extended | 456 | Sloan, Stephen (1499) | Won 2-0 | +181536 |
| 3extended | 459 | Rogers, Dakota (1520) | Lost 1-2 | -191517 |
| 4extended | 528 | Ellis, Andrew B (1551) | Won 2-0 | +191536 |
| 5extended | 475 | Held, Eric J (1722) | Lost 0-2 | -151521 |
| 6extended | 533 | Webb, Michael (1551) | Draw 1-1 | +11522 |
| 7extended | 539 | Manning, Ryan (1520) | Draw 1-1 | 01522 |
| 8extended | 518 | Correia, Kevin (1654) | Won 2-1 | +201542 |
| 9extended | 481 | Connell, Christopher (1535) | Won 2-1 | +181560 |
| top | average opponent: 1561record: 5-2-2 | new rating: 1560 | ||