Maraschiello, Joseph
Current rating: 1512
| Grand Prix Toronto 2019 (modern) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 210 | Brown, Dylan [USA] (1719) | Won 2-1 | +221496 |
| 3modern | 175 | Aitchison, Evan (1565) | Lost 0-2 | -171479 |
| 4modern | 389 | McKay, Lenny (1518) | Won 2-1 | +191498 |
| 5modern | 140 | Slater, Andrew (1505) | Won 2-1 | +181516 |
| 6modern | 40 | Auger, Maxime (1948) | Won 2-0 | +251541 |
| 7modern | 64 | Kane, Liam (1887) | Lost 1-2 | -111530 |
| 8modern | 137 | Belter, Austin (1544) | Won 2-0 | +181548 |
| 9modern | 97 | Jones, Scott (1543) | Lost 1-2 | -181530 |
| 10modern | 429 | Dunnet, Steven (1537) | Lost 0-2 | -181512 |
| top | average opponent: 1641record: 5-4 | new rating: 1512 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 95 | Kozack, Nicholas (1518) | Lost 1-2 | -181463 |
| 3modern | 467 | Brain, Jeremy (1527) | Won 2-0 | +191482 |
| 4modern | 447 | Larter, Brian (1594) | Won 2-0 | +201502 |
| 5modern | 220 | McLaughlin, Morgan (1790) | Lost 1-2 | -121490 |
| 6modern | 435 | Chen, Alexander (1602) | Lost 1-2 | -161474 |
| top | average opponent: 1606record: 2-3 | new rating: 1474 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 372 | Higgins, Oliver (1421) | Won 2-1 | +171517 |
| 2legacy | 87 | Ryckman, Matthew (1517) | Won 2-0 | +181535 |
| 3legacy | 242 | McCormack, Conor (1552) | Lost 0-2 | -181517 |
| 4legacy | 346 | Kainz, Thomas (1500) | Lost 0-2 | -181499 |
| 5legacy | 356 | Lesser, Jake (1499) | Lost 1-2 | -181481 |
| top | average opponent: 1498record: 2-3 | new rating: 1481 | ||