Walsh, Sean L
Current rating: 1486
Record: 23-26-6
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 265 | Kusiak, Adam M (1500) | Lost 1-2 | -191523 |
| 2sealed | 423 | Nguyen, Minh (1486) | Lost 1-2 | -181505 |
| 3sealed | 523 | Collins, Adam (1464) | Lost 0-2 | -191486 |
| top | average opponent: 1483record: 0-3 | new rating: 1486 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 436 | De Montigny, Jesse A (1500) | Lost 0-2 | -191508 |
| 2sealed | 615 | Hale, Bryan (1482) | Won 2-1 | +181526 |
| 3sealed | 472 | Macneal, Keenan R (1500) | Won 2-1 | +171543 |
| 4sealed | 461 | Sobel, Joseph A (1519) | Lost 0-2 | -181525 |
| 5sealed | 497 | Koslik, Ben (1501) | Won 2-0 | +171542 |
| top | average opponent: 1500record: 3-2 | new rating: 1542 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 70 | Laskin, Lewis (1469) | Draw 1-1 | -11488 |
| 2legacy | 167 | Fitzgerald, Maura (1455) | Lost 0-2 | -181470 |
| 3legacy | 231 | Gibbons, Christopher C (1517) | Won 2-1 | +191489 |
| 4legacy | 200 | Diocedo, Vince D (1498) | Lost 0-2 | -181471 |
| 5legacy | 232 | Thorson, Jim (1464) | Won 2-1 | +181489 |
| 6legacy | 184 | McGirl, Will J (1503) | Won 2-0 | +181507 |
| 7legacy | 131 | Dye, Brandon (1516) | Lost 1-2 | -181489 |
| 8legacy | 92 | Bettens, Joshua D (1527) | Won 2-0 | +191508 |
| 9legacy | 85 | Burden, Michael E (1548) | Won 2-0 | +191527 |
| top | average opponent: 1500record: 5-3-1 | new rating: 1527 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 240 | Morris, James (1500) | Won 2-0 | +181517 |
| 2sealed | 136 | Tait, Robert (1452) | Won 2-1 | +171534 |
| 3sealed | 77 | Rasmussen, Ben (1693) | Lost 1-2 | -151519 |
| 4sealed | 96 | Pimm, Douglas (1594) | Lost 0-2 | -171502 |
| 5sealed | 236 | Williams, David A (1747) | Lost 1-2 | -131489 |
| top | average opponent: 1597record: 2-3 | new rating: 1489 | ||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 190 | Webb, Jay (1444) | Lost 1-2 | -191443 |
| 2legacy | 409 | Rodriguez, Andres (1395) | Draw 1-1 | -11442 |
| 3legacy | 463 | Siliekus, Michael (1414) | Won 2-0 | +181460 |
| 4legacy | 385 | Pobloske, Marcus (1500) | Won 2-1 | +191479 |
| 5legacy | 252 | Cierniak, Erik (1501) | Won 2-0 | +181497 |
| 6legacy | 160 | Kohler, Michael (1536) | Won 2-1 | +191516 |
| 7legacy | 99 | Diaz Diaz, Pablo David (1556) | Lost 1-2 | -181498 |
| 8legacy | 169 | Harrity, Patrick (1493) | Won 2-0 | +181516 |
| 9legacy | 110 | Brinkman, Jason (1568) | Lost 0-2 | -171499 |
| top | average opponent: 1490record: 5-3-1 | new rating: 1499 | ||
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 257 | Wang, Sean (1481) | Lost 1-2 | -181440 |
| 2sealed | 322 | Gapinski, Jason (1482) | Won 2-0 | +191459 |
| 3sealed | 390 | Plumaj, Simon (1500) | Won 2-1 | +191478 |
| 4sealed | 304 | Estell, Brock (1584) | Lost 0-2 | -161462 |
| top | average opponent: 1512record: 2-2 | new rating: 1462 | ||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1406 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 62 | Thanakit, Isara (1447) | Won 2-1 | +191425 |
| 2extended | 10 | LeFevre, Robert D (1536) | Won 2-1 | +201445 |
| 3extended | 110 | Cordell, Kenneth (1523) | Lost 0-2 | -171428 |
| 4extended | 169 | French, Shawn (1517) | Won 2-0 | +201448 |
| 5extended | 86 | Chojnacki, Robert (1559) | Won 2-1 | +201468 |
| 6extended | 86 | Kaminski, Stephen (1500) | Draw 1-1 | 01468 |
| 7extended | 85 | Bradley, Trevor L (1539) | Draw 1-1 | +21470 |
| 8extended | 137 | Novekoff, Jeff (1823) | Lost 0-2 | -121458 |
| top | average opponent: 1555record: 4-2-2 | new rating: 1458 | ||
| Grand Prix Daytona Beach 2007 (LRW limited) | starting rating: 1394 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Marcey, Buddy W (1500) | Won 2-0 | +201414 |
| 2sealed | 104 | Pallone, Eric P (1501) | Draw 1-1 | +11415 |
| 3sealed | 108 | Yancey, David (1550) | Won 2-1 | +211436 |
| 4sealed | 98 | Quirk, Kevin (1684) | Lost 0-2 | -141422 |
| 5sealed | 156 | Liao, Zhi (1520) | Lost 0-2 | -161406 |
| top | average opponent: 1551record: 2-2-1 | new rating: 1406 | ||
| Grand Prix New Jersey 2006 (TSP limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 126 | Eves, Gregory (1455) | Lost 1-2 | -181428 |
| 2sealed | 262 | LaBelle, Mark (1482) | Lost 1-2 | -171411 |
| 3sealed | 346 | Frobel, Derek (1434) | Lost 0-2 | -171394 |
| top | average opponent: 1457record: 0-3 | new rating: 1394 | ||
| Grand Prix Philadelphia 2005 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 114 | Legrow, Brian (1465) | Lost 1-2 | -191481 |
| 2legacy | 144 | Judge, Thomas (1482) | Draw 1-1 | 01481 |
| 3legacy | 178 | Roblee, Nick (1482) | Lost 0-2 | -181463 |
| 4legacy | 219 | Cuevas, Miguel (1500) | Lost 0-2 | -171446 |
| top | average opponent: 1482record: 0-3-1 | new rating: 1446 | ||