Wehrmeyer, Zach
Current rating: 1534
Record: 14-15
| Grand Prix Chicago 2012 (modern) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 103 | Heineman, David (1470) | Won 2-1 | +181484 |
| 2modern | 145 | Cucunato, Robert (1585) | Won 2-1 | +201504 |
| 3modern | 28 | McCusker, Jerrod (1548) | Won 2-1 | +191523 |
| 4modern | 79 | Sui, Xin (1826) | Lost 1-2 | -131510 |
| 5modern | 200 | Longo, Tyler (1585) | Won 2-0 | +191529 |
| 6modern | 111 | Kallas, Christ (1512) | Won 2-1 | +181547 |
| 7modern | 68 | Silberman, Philip (1722) | Lost 1-2 | -151532 |
| 8modern | 155 | Lagreca, Brice (1511) | Won 2-1 | +181550 |
| 9modern | 101 | Sullivan, Adrian (1691) | Lost 1-2 | -161534 |
| top | average opponent: 1606record: 6-3 | new rating: 1534 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 43 | Barner, Josh (1519) | Won 2-0 | +191452 |
| 3legacy | 81 | Stowe, Jeremy (1498) | Won 2-0 | +191471 |
| 4legacy | 327 | Walsh, Steve (1496) | Won 2-0 | +191490 |
| 5legacy | 30 | Kwiatkowski, Daniel (1574) | Lost 0-2 | -171473 |
| 6legacy | 69 | Alderson, Andrew R (1555) | Won 2-1 | +201493 |
| 7legacy | 38 | Becker, Matthew M (1694) | Lost 1-2 | -151478 |
| 8legacy | 81 | Calcano, Christian (1789) | Lost 1-2 | -121466 |
| top | average opponent: 1589record: 4-3 | new rating: 1466 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 15 | Lebedowicz, Osyp (1946) | Lost 1-2 | -101463 |
| 5extended | 105 | Newby, John (1536) | Lost 1-2 | -171446 |
| 6extended | 164 | Gosche, Matt (1705) | Lost 0-2 | -131433 |
| top | average opponent: 1729record: 0-3 | new rating: 1433 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 52 | Kettlewell, Jesse J (1500) | Lost 0-2 | -181471 |
| 2legacy | 255 | Egan, Andrew (1482) | Won 2-0 | +181489 |
| 3legacy | 144 | Rodriguez, Juan C (1568) | Lost 1-2 | -161473 |
| 4legacy | 236 | Hall, Josh R (1481) | Won 2-0 | +181491 |
| 5legacy | 211 | Cusick, Robert (1482) | Lost 0-2 | -181473 |
| top | average opponent: 1503record: 2-3 | new rating: 1473 | ||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 175 | Halm, Matt (1504) | Won 2-0 | +181518 |
| 2legacy | 204 | Morrison, James (1535) | Won 2-1 | +181536 |
| 3legacy | 77 | Goodman, Kyle (1812) | Lost 0-2 | -131523 |
| 4legacy | 266 | Wade, John (1629) | Lost 0-2 | -161507 |
| 5legacy | 411 | Sutherland, Travis L (1499) | Lost 0-2 | -181489 |
| top | average opponent: 1596record: 2-3 | new rating: 1489 | ||