Hayes, Jacob
Current rating: 1451
Record: 2-5
| Grand Prix Louisville 2017 (legacy) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 330 | Kraft, Adrian (1541) | Lost 1-2 | -171450 |
| 2legacy | 706 | Robinson, Caleb (1482) | Won 2-0 | +191469 |
| 3legacy | 669 | Des Marais, Nick (1496) | Won 2-1 | +181487 |
| 4legacy | 715 | Day, Christopher (1505) | Lost 1-2 | -181469 |
| 5legacy | 776 | Froehlich, Gavin (1444) | Lost 0-2 | -181451 |
| average opponent: 1494record: 2-3 | new rating: 1451 | |||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 312 | Hanzalek, Jan (1703) | Lost 0-0 | -141486 |
| 2standard | 482 | Murrai, Davide (1428) | Lost 0-0 | -191467 |
| average opponent: 1566record: 0-2 | new rating: 1467 | |||