Garossino, Joseph
Current rating: 1420
Record: 13-19
| Grand Prix Calgary 2019 (modern) | starting rating: 1425 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 107 | Angulo, Enrique (1633) | Won 2-0 | +221447 |
| 2modern | 107 | Rahn, Lucas (1517) | Lost 1-2 | -171430 |
| 3modern | 205 | Nicolas, Charbel (1500) | Lost 0-2 | -161414 |
| 4modern | 319 | Bates, Alicia (1482) | Won 2-0 | +191433 |
| 5modern | 328 | Kowal, Devin (1514) | Lost 0-2 | -171416 |
| 6modern | 279 | Sadler, Leif (1482) | Won 2-0 | +191435 |
| 7modern | 203 | Mound, Josh (1567) | Lost 1-2 | -151420 |
| top | average opponent: 1528record: 3-4 | new rating: 1420 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 523 | Lim, Ming Han Sidney Reuben (1400) | Lost 0-2 | -191436 |
| 2modern | 704 | Bolick, Robbie (1654) | Won 2-0 | +221458 |
| 3modern | 554 | Anderson, Austin (1483) | Lost 1-2 | -181440 |
| 4modern | 780 | O'Dell, Darrin (1447) | Lost 1-2 | -181422 |
| 5modern | 744 | Mclean, Tanner (1465) | Won 2-0 | +191441 |
| 6modern | 565 | Hush, Jake (1478) | Lost 0-2 | -171424 |
| 7modern | 507 | Silverstein, Joshua (1465) | Lost 1-2 | -171407 |
| 8modern | 427 | Brockamp, Erik (1448) | Won 2-0 | +181425 |
| top | average opponent: 1480record: 3-5 | new rating: 1425 | ||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2142 | Zhang, Jonathan (1500) | Lost 0-2 | -171438 |
| 2modern | 2384 | Wilmart, Sam (1314) | Won 2-1 | +151453 |
| 3modern | 2397 | Hlynosky, Bob (1486) | Lost 1-2 | -171436 |
| 4modern | 2541 | Walterhouse, Kyle (1409) | Won 2-0 | +181454 |
| 5modern | 2385 | Wheeler, Benjamin (1499) | Won 2-0 | +181472 |
| 6modern | 2434 | Gillan, Steven (1409) | Won 2-1 | +171489 |
| 7modern | 2277 | Grawbarger, Mason (1500) | Lost 1-2 | -181471 |
| 8modern | 2351 | Dvorshak, Darik (1547) | Lost 0-2 | -161455 |
| top | average opponent: 1458record: 4-4 | new rating: 1455 | ||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 325 | Mittler, Samuel (1500) | Won 2-1 | +181485 |
| 2sealed | 181 | Lau, Terry (1723) | Lost 1-2 | -131472 |
| 3sealed | 408 | Giovanis, George (1502) | Won 0-0 | +181490 |
| 4sealed | 367 | Reddy, Alex (1498) | Lost 1-2 | -181472 |
| 5sealed | 511 | Beamish, Nicholas (1499) | Lost 0-2 | -171455 |
| top | average opponent: 1544record: 2-3 | new rating: 1455 | ||
| Grand Prix Vancouver 2014 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 295 | Erickson, Mace (1500) | Lost 1-2 | -181482 |
| 2standard | 359 | Brooks, Daniel (1643) | Lost 0-2 | -151467 |
| 3standard | 457 | Little, Greg (1464) | Lost 0-2 | -181449 |
| 4standard | 468 | Coghill, Kaine (1448) | Won 2-0 | +181467 |
| top | average opponent: 1514record: 1-3 | new rating: 1467 | ||