Rosa, Michael
Current rating: 1380
| Grand Prix Toronto 2019 (modern) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 419 | Ellenberger, Jarrod (1461) | Lost 0-2 | -181414 |
| 2modern | 505 | Lawrence, Steve (1466) | Lost 0-2 | -171397 |
| 3modern | 597 | Schaefer, Austin (1463) | Lost 0-2 | -171380 |
| top | average opponent: 1463record: 0-3 | new rating: 1380 | ||
| Grand Prix Providence 2016 (KLD standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 301 | Goodwyn, Tyler (1445) | Won 2-0 | +181482 |
| 2standard | 270 | Nevers, Matthew (1482) | Lost 0-2 | -181464 |
| 3standard | 381 | Dufour, Jimmy (1632) | Lost 1-2 | -151449 |
| 4standard | 402 | Amorin, Brandon (1411) | Lost 0-2 | -191430 |
| 5standard | 488 | Dyson, Katherine (1464) | Won 2-1 | +191449 |
| 6standard | 416 | Shepard, Jesse (1512) | Lost 0-2 | -171432 |
| top | average opponent: 1491record: 2-4 | new rating: 1432 | ||
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 508 | Byck, Ben (1500) | Lost 1-2 | -181482 |
| 2standard | 524 | Pye, Hail (1481) | Won 2-0 | +181500 |
| 3standard | 343 | Briggs, Kyle (1499) | Lost 0-2 | -181482 |
| 4standard | 556 | Hardie, Douglas (1485) | Lost 0-2 | -181464 |
| top | average opponent: 1491record: 1-3 | new rating: 1464 | ||