Byrne, Joseph
Current rating: 1518
Record: 5-4
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 86 | Vegheim, Roy Oscar (1482) | Won 2-0 | +181518 |
| 2modern | 237 | Hulldin, Erik (1401) | Lost 1-2 | -201498 |
| 3modern | 555 | Jacobsen, Niels (1558) | Won 2-1 | +191517 |
| 4modern | 522 | Bergerot, Nicolas (1555) | Won 2-0 | +181535 |
| 5modern | 300 | Rempel, Peter (1548) | Won 2-0 | +191554 |
| 6modern | 182 | Hukka, Jori (1655) | Lost 0-2 | -171537 |
| 7modern | 281 | Christiansen, Steffen (1484) | Won 2-0 | +171554 |
| 8modern | 175 | Skotte, Mark (1545) | Lost 1-2 | -181536 |
| 9modern | 359 | Danckert, Jeremy (1537) | Lost 0-2 | -181518 |
| average opponent: 1529record: 5-4 | new rating: 1518 | |||