McCowan, Jay
Current rating: 1527
Record: 8-7
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 89 | Hickey, Brenden (1554) | Lost 0-2 | -171468 |
| 2legacy | 708 | Nickles, Ryan (1498) | Won 2-0 | +191487 |
| 3legacy | 459 | Carranza, Alexandro (1499) | Won 2-1 | +181505 |
| 4legacy | 589 | Oswalt, Alex (1550) | Won 2-0 | +191524 |
| 5legacy | 181 | Ashmore, Forrest (1540) | Won 2-1 | +181542 |
| 6legacy | 179 | Anicello, Christopher (1571) | Won 2-0 | +191561 |
| 7legacy | 95 | Conrad, Lance (1612) | Lost 0-2 | -171544 |
| 8legacy | 256 | Hanna, Will (1630) | Lost 0-2 | -171527 |
| average opponent: 1557record: 5-3 | new rating: 1527 | |||
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 318 | Waltemath, Casey (1500) | Won 2-0 | +181518 |
| 2sealed | 336 | Staal, Taran (1553) | Lost 1-2 | -171501 |
| 3sealed | 614 | Milan, James (1503) | Won 2-0 | +181519 |
| 4sealed | 285 | Spratt, Carson (1516) | Lost 1-2 | -181501 |
| 5sealed | 356 | Merkes, Taylor (1503) | Won 2-0 | +181519 |
| 6sealed | 330 | Hess, Greg (1578) | Lost 1-2 | -171502 |
| 7sealed | 364 | Duan, Daniel (1574) | Lost 0-2 | -171485 |
| average opponent: 1533record: 3-4 | new rating: 1485 | |||