Perrotta, Brendan
Current rating: 1461
Record: 16-20-2
| Grand Prix Hartford 2018 (modern) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 345 | Morin, Jesse (1445) | Lost 0-2 | -191456 |
| 2modern | 579 | Bragg, Kyle (1482) | Lost 0-2 | -171439 |
| 3modern | 878 | Cooney, Michael (1527) | Won 2-0 | +191458 |
| 4modern | 760 | Kratzer, Colby (1485) | Won 2-0 | +191477 |
| 5modern | 464 | Nash, Jesse (1490) | Won 2-1 | +181495 |
| 6modern | 366 | Lentz, Connor (1578) | Lost 0-2 | -171478 |
| 7modern | 484 | Duffy, Patrick (1511) | Lost 0-2 | -171461 |
| top | average opponent: 1502record: 3-4 | new rating: 1461 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1459 | Leary, Flint (1443) | Lost 0-2 | -181456 |
| 2legacy | 1930 | Cinnirella, Matthew (1498) | Won 2-1 | +191475 |
| 3legacy | 1802 | Greenspan, Aaron (1505) | Lost 1-2 | -181457 |
| 4legacy | 1919 | Slee, William (1357) | Won 2-0 | +161473 |
| 5legacy | 1864 | Visconti, Tom (1510) | Won 2-0 | +191492 |
| 6legacy | 1713 | Foley, Mitchell (1524) | Won 2-1 | +191511 |
| 7legacy | 1564 | Del Valle, Vladimir (1514) | Lost 1-2 | -181493 |
| 8legacy | 1640 | Rambo, Zach (1486) | Lost 1-2 | -181475 |
| top | average opponent: 1480record: 4-4 | new rating: 1475 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1425 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 147 | Roman, Andrew (1572) | Lost 1-2 | -161409 |
| 2sealed | 507 | Bona, Michael (1542) | Won 2-1 | +211430 |
| 3sealed | 619 | Yeatin, Matt (1487) | Won 2-1 | +191449 |
| 4sealed | 430 | Enzmann, Odin (1518) | Lost 0-2 | -171432 |
| 5sealed | 464 | Breau, Darius (1499) | Won 2-1 | +191451 |
| 6sealed | 374 | Ho, Eugene (1603) | Won 2-0 | +211472 |
| 7sealed | 172 | Burnham, Ross (1515) | Won 2-1 | +191491 |
| 8sealed | 143 | Baker, Justin (1581) | Lost 0-2 | -171474 |
| top | average opponent: 1540record: 5-3 | new rating: 1474 | ||
| Grand Prix Montreal 2011 (M12 limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 43 | Williams, David A (1864) | Lost 0-2 | -121471 |
| 5sealed | 77 | Vergel, Vincent Paul R (1574) | Lost 1-2 | -161455 |
| 6sealed | 102 | Goldstein, Danny (1608) | Won 2-0 | +211476 |
| 7sealed | 111 | Demers, Francois (1542) | Lost 1-2 | -171459 |
| 8sealed | 82 | Jette, Francis (1488) | Lost 0-2 | -171442 |
| 9sealed | 91 | Berry, Evan (1497) | Lost 1-2 | -171425 |
| top | average opponent: 1596record: 1-5 | new rating: 1425 | ||
| Grand Prix Providence 2011 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 32 | R., Jesse (1500) | Draw 1-1 | 01500 |
| 2legacy | 142 | Lucas, Mike (1500) | Draw 1-1 | 01500 |
| 3legacy | 201 | Anderegg, Morgan (1539) | Lost 1-2 | -171483 |
| 4legacy | 263 | DiPrinzio, Nicholas (1448) | Lost 1-2 | -191464 |
| 5legacy | 247 | Searles, James (1536) | Won 2-0 | +191483 |
| 6legacy | 204 | Diab, Kenan (1464) | Won 2-0 | +181501 |
| 7legacy | 159 | Fabiani, Lino (1480) | Lost 1-2 | -181483 |
| 8legacy | 130 | Kim, Jinn (1481) | Won 2-1 | +181501 |
| 9legacy | 99 | Cavanagh-Trudel, Ariel (1502) | Lost 1-2 | -181483 |
| top | average opponent: 1495record: 3-4-2 | new rating: 1483 | ||