Hayes, John
Current rating: 1542
Record: 7-6
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 190 | Sosin, Yale (1500) | Won 2-0 | +181552 |
| 2sealed | 89 | Klomparens, Jadine (1847) | Lost 1-2 | -131539 |
| 3sealed | 458 | Allen, Mitchell (1500) | Lost 1-2 | -191520 |
| 4sealed | 461 | Carvalho, Mitchell (1482) | Won 2-0 | +171537 |
| 5sealed | 439 | Li, Yang (1506) | Won 2-1 | +181555 |
| 6sealed | 257 | Hsu, Jeremy (1861) | Lost 0-2 | -131542 |
| average opponent: 1616record: 3-3 | new rating: 1542 | |||
| Grand Prix Washington DC 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 164 | Austin, Shawn (1558) | Won 2-1 | +191519 |
| 2sealed | 298 | Butler, Matthew (1518) | Won 2-0 | +181537 |
| 3sealed | 48 | Casale, John (1637) | Won 2-1 | +201557 |
| 4sealed | 6 | Stella, Daniel (1616) | Won 2-0 | +191576 |
| 5sealed | 41 | Nguyen, Thanh (1642) | Lost 1-2 | -171559 |
| 6sealed | 51 | Majors, Michael (1934) | Lost 0-2 | -111548 |
| 7sealed | 212 | Dobbin, Jack (1805) | Lost 0-2 | -141534 |
| average opponent: 1673record: 4-3 | new rating: 1534 | |||