Mazzuca, Michael
Current rating: 1398
Record: 4-10
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 491 | Patterson, Will (1561) | Lost 0-2 | -161432 |
| 2sealed | 473 | Graham, Xander (1482) | Lost 0-2 | -171415 |
| 3sealed | 584 | Vandermeulen, Brad (1463) | Lost 1-2 | -171398 |
| 4sealed | 634 | Schlegel, Pat (1445) | Won 2-0 | +191417 |
| 5sealed | 578 | Bovey, Jackson (1394) | Lost 1-2 | -191398 |
| average opponent: 1469record: 1-4 | new rating: 1398 | |||
| Grand Prix Toronto 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 285 | Lachance, Marc-Antoine (1516) | Lost 1-2 | -181482 |
| 2standard | 558 | Abitino, Mario (1481) | Won 2-0 | +181500 |
| 3standard | 493 | Banho, Paulo (1370) | Won 2-0 | +161516 |
| 4standard | 424 | Garner, Derrick (1755) | Lost 1-2 | -141502 |
| 5standard | 526 | Robinson, Denys (1540) | Lost 0-2 | -171485 |
| 6standard | 500 | Maguire, Doug (1564) | Lost 0-2 | -171468 |
| 7standard | 537 | Solecki, Benjamin (1460) | Won 2-1 | +181486 |
| 8standard | 442 | Simmons-Feigel, Gavin (1485) | Lost 0-2 | -181468 |
| 9standard | 364 | Wray, Isabelle (1356) | Lost 0-2 | -201448 |
| average opponent: 1503record: 3-6 | new rating: 1448 | |||