Erwin, Adam
Current rating: 1463
Record: 28-31-4
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 48 | Mendoza Cruz, Gerardo (1628) | Lost 0-2 | -151463 |
| 2standard | 48 | Roberts, Jamon (1480) | Won 2-0 | +181481 |
| 3standard | 48 | Luton, Sam (1431) | Lost 1-2 | -181463 |
| top | average opponent: 1513record: 1-2 | new rating: 1463 | ||
| Grand Prix Albuquerque 2013 (THS standard) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 318 | Surdilla, Arthur (1464) | Won 2-0 | +181495 |
| 2standard | 164 | Lilliestierna, Noble (1518) | Lost 1-2 | -181477 |
| 3standard | 293 | Reinhart, Torrey (1429) | Lost 1-2 | -191458 |
| 4standard | 473 | Murillo, Julio (1482) | Lost 1-2 | -171441 |
| 5standard | 438 | Chapman, Greg (1466) | Won 2-1 | +181459 |
| 6standard | 371 | Stenger, Matthew (1499) | Won 2-0 | +191478 |
| 7standard | 312 | Haltiwanger, Jonathan (1497) | Won 2-1 | +181496 |
| 8standard | 272 | Mulholland, Casper (1502) | Lost 1-2 | -181478 |
| top | average opponent: 1482record: 4-4 | new rating: 1478 | ||
| Grand Prix Kansas City 2013 (modern) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 55 | Sopko, Brian (1500) | Lost 1-2 | -171475 |
| 2modern | 55 | Lutzen, Mark (1482) | Lost 0-2 | -181457 |
| 3modern | 55 | Randolph, Mitchell (1465) | Won 2-0 | +181475 |
| 4modern | 55 | Lewis, Connor (1480) | Won 2-0 | +181493 |
| 5modern | 55 | McInerney, Timothy (1499) | Won 2-0 | +181511 |
| 6modern | 55 | Halder, Jason (1482) | Lost 0-2 | -181493 |
| 7modern | 55 | Rogerson, Ian (1685) | Lost 0-2 | -151478 |
| 8modern | 55 | Cenac, Shane (1424) | Lost 1-2 | -191459 |
| 9modern | 55 | Dalziel, Taylor (1462) | Won 2-0 | +181477 |
| top | average opponent: 1498record: 4-5 | new rating: 1477 | ||
| Grand Prix Denver 2013 (legacy) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 12 | Blackwell, Keith (1620) | Draw 1-1 | +31474 |
| 2legacy | 12 | Warford, Christopher Chad (1500) | Won 2-1 | +181492 |
| 3legacy | 12 | Christian, Curt (1519) | Lost 0-2 | -171475 |
| 4legacy | 12 | Wochinski, Derek (1363) | Won 2-0 | +161491 |
| 5legacy | 12 | Householder, Robert (1520) | Lost 1-2 | -181473 |
| 6legacy | 12 | SZWABOWSKI, EDDIE (1498) | Won 2-1 | +191492 |
| 7legacy | 12 | Wogan, Riley (1501) | Lost 1-2 | -181474 |
| 8legacy | 12 | Lasswell, Jeff (1497) | Won 2-0 | +181492 |
| top | average opponent: 1502record: 4-3-1 | new rating: 1492 | ||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 188 | Bustos Jr., Eduardo (1536) | Lost 1-2 | -171470 |
| 3extended | 206 | Vigil, Daniel (1470) | Draw 0-0 | 01470 |
| 4extended | 271 | Pu, Sherwin (1500) | Won 2-0 | +191489 |
| 5extended | 186 | Young, Tyler (1517) | Lost 0-2 | -181471 |
| top | average opponent: 1506record: 1-2-1 | new rating: 1471 | ||
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 112 | Gerken, Mark J (1521) | Lost 1-2 | -191525 |
| 2sealed | 231 | Nabach, Jerry (1463) | Lost 0-2 | -191506 |
| 3sealed | 289 | Barnett, Michael (1464) | Lost 1-2 | -191487 |
| top | average opponent: 1483record: 0-3 | new rating: 1487 | ||
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 176 | Trattles, Ryan (1508) | Won 2-0 | +181506 |
| 2block | 128 | Kerr, Jesse (1518) | Won 2-0 | +191525 |
| 3block | 50 | Meyer, Chad (1461) | Lost 0-2 | -201505 |
| 4block | 142 | Brewick, Todd (1503) | Won 2-1 | +181523 |
| 5block | 129 | Motchkavitz, Matt (1607) | Won 2-1 | +201543 |
| 6block | 83 | Appugliese, Alexander (1553) | Won 2-1 | +181561 |
| 7block | 20 | Castor, Kenny (1577) | Lost 1-2 | -181543 |
| 8block | 45 | Pincus, Max (1555) | Won 2-0 | +191562 |
| 9block | 62 | Klimek, Jonathon (1560) | Lost 1-2 | -181544 |
| top | average opponent: 1538record: 6-3 | new rating: 1544 | ||
| Grand Prix Dallas 2007 (extended) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 124 | Bryant, Joseph D (1519) | Won 2-0 | +181504 |
| 3extended | 192 | VanLaethem, Eric W (1500) | Won 0-0 | +181522 |
| 4extended | 90 | Melton, Kenneth C (1554) | Lost 0-2 | -171505 |
| 5extended | 79 | Germar, Richard (1584) | Lost 0-2 | -171488 |
| top | average opponent: 1539record: 2-2 | new rating: 1488 | ||
| Grand Prix Salt Lake City 2005 (Kamigawa block) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 31 | Pace, Eli (1500) | Won 2-1 | +191482 |
| 2block | 38 | Sumida, Grant (1518) | Lost 0-2 | -171465 |
| 3block | 44 | Johnson, Jake (1485) | Lost 1-2 | -181447 |
| 4block | 87 | Perez, Martin (1481) | Won 2-1 | +191466 |
| 5block | 77 | Gorman, Shelby (1502) | Draw 1-1 | 01466 |
| 6block | 77 | Fish, Corey (1500) | Draw 1-1 | +11467 |
| 7block | 76 | Neville, Jeremy (1500) | Won 2-0 | +191486 |
| top | average opponent: 1498record: 3-2-2 | new rating: 1486 | ||
| Grand Prix Kansas City 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 80 | Blanchard, John (1475) | Lost 0-2 | -181482 |
| 2sealed | 143 | Thornhill, Chris (1482) | Won 2-0 | +181500 |
| 3sealed | 120 | Sixkiller, Gerald (1482) | Lost 0-2 | -191481 |
| 4sealed | 175 | Strunk, Chase (1482) | Lost 0-2 | -181463 |
| 5sealed | 173 | Craven, Ryan (1463) | Lost 1-2 | -181445 |
| 6sealed | 147 | Hsiao, Elie (1446) | Lost 0-2 | -181427 |
| 7sealed | 120 | Wright, Thomas (1410) | Won 2-0 | +181445 |
| 8sealed | 94 | Simmons, Patrick (1464) | Won 2-0 | +181463 |
| top | average opponent: 1463record: 3-5 | new rating: 1463 | ||