Mazzella, Andrew
Current rating: 1507
Record: 3-3
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 128 | Gleim, Candel (1500) | Won 2-0 | +181518 |
| 2sealed | 40 | Knowles, Kegan (1523) | Won 2-1 | +181536 |
| 3sealed | 21 | Genna, Peter (1606) | Lost 1-2 | -171519 |
| 4sealed | 405 | Rigatti, Jonathan (1512) | Lost 1-2 | -181501 |
| 5sealed | 399 | Komor, Russell (1753) | Won 2-1 | +231524 |
| 6sealed | 320 | McLeskey, Kevin (1573) | Lost 1-2 | -171507 |
| average opponent: 1578record: 3-3 | new rating: 1507 | |||