Matus, Joshua
Current rating: 1488
Record: 6-7
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 532 | Wilson, Robert 2 (1500) | Lost 1-2 | -181500 |
| 2modern | 1069 | Ceccarani, Nikolas (1482) | Won 2-0 | +181518 |
| 3modern | 552 | Gallo, Gianfranco (1465) | Lost 0-2 | -191499 |
| 4modern | 1001 | Poling, William (1483) | Won 2-0 | +171516 |
| 5modern | 725 | Elsik, Zac (1963) | Lost 0-2 | -101506 |
| 6modern | 798 | Parsell, Alexander (1482) | Lost 0-2 | -181488 |
| average opponent: 1562record: 2-4 | new rating: 1488 | |||
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 453 | Aleksandravicius, John (1552) | Won 2-0 | +191519 |
| 2sealed | 108 | Pau, Christopher (1519) | Won 2-0 | +181537 |
| 3sealed | 50 | Ostrander, Alexis (1486) | Won 2-0 | +171554 |
| 4sealed | 94 | Corpora, Jon (1465) | Won 2-0 | +161570 |
| 5sealed | 53 | Duerr, Eric (1782) | Lost 1-2 | -141556 |
| 6sealed | 159 | Cortese, Brian (1556) | Lost 0-2 | -181538 |
| 7sealed | 200 | Cochran, Hunter (1435) | Lost 0-2 | -201518 |
| average opponent: 1542record: 4-3 | new rating: 1518 | |||