Mastrantoni, Joh
Current rating: 1427
Record: 0-4
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 546 | Carpenter, Tim (1500) | Lost 1-2 | -181482 |
| 2sealed | 454 | Bishop, Jesse (1435) | Lost 0-2 | -191463 |
| 3sealed | 804 | Kear, Camden (1463) | Lost 0-2 | -181445 |
| 4sealed | 823 | Mikulec, Joshua (1445) | Lost 0-2 | -181427 |
| average opponent: 1461record: 0-4 | new rating: 1427 | |||