Lambeth, Shawn
Current rating: 1481
Record: 10-10 (GP) / 2-4 (professional)
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 158 | Marley, Carl (1446) | Won 2-0 | +171537 |
| 2sealed | 212 | Randall, Cody (1500) | Lost 0-2 | -191518 |
| 3sealed | 274 | Byerly, Larry (1486) | Lost 1-2 | -181500 |
| 4sealed | 341 | Wong, Michael (1480) | Lost 1-2 | -191481 |
| top | average opponent: 1478record: 1-3 | new rating: 1481 | ||
| Grand Prix Oakland 2004 (DST limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Buckendorf, Eric (1538) | Lost 1-2 | -181499 |
| 2sealed | 124 | Lawn, Aaron (1483) | Won 2-1 | +181517 |
| 3sealed | 102 | Vasiladiotis, Joseph (1481) | Won 2-0 | +171534 |
| 4sealed | 124 | Gossett, Chris (1518) | Lost 1-2 | -181516 |
| 5sealed | 125 | Takeoka, Ryan (1558) | Lost 0-2 | -171499 |
| 6sealed | 133 | Simons, Blake (1484) | Won 2-1 | +171516 |
| 7sealed | 99 | Cabarloc, Angel (1500) | Won 2-0 | +181534 |
| 8sealed | 71 | Linde, Matt (1777) | Lost 0-2 | -141520 |
| top | average opponent: 1542record: 4-4 | new rating: 1520 | ||
| Grand Prix Anaheim 2003 (extended) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 67 | Tarr, Alan (1453) | Won 2-0 | +181497 |
| 2extended | 6 | Bolick, Robbie (1500) | Won 2-1 | +181515 |
| 3extended | 29 | Ochoa, David (1518) | Lost 0-2 | -181497 |
| 4extended | 82 | Wood, Thomas L (1502) | Lost 0-2 | -181479 |
| 5extended | 99 | Burstein, Jeffrey (1501) | Won 2-1 | +191498 |
| 6extended | 77 | Johnson, David (1568) | Won 2-0 | +191517 |
| 7extended | 49 | Mardis, Robert (1537) | Won 2-0 | +181535 |
| 8extended | 28 | Estrada, Brandon (1509) | Lost 0-2 | -181517 |
| top | average opponent: 1511record: 5-3 | new rating: 1517 | ||
| Pro Tour Houston 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 145 | Franz, Eric (1600) | Lost 0-2 | -161484 |
| 2extended | 153 | Gundersen, Thomas (1734) | Lost 0-2 | -141470 |
| 3extended | 139 | Gomersall, Sam (1633) | Lost 0-2 | -151455 |
| 4extended | 165 | Mejias, Juan Carlos (1459) | Won 2-0 | +181473 |
| 5extended | 141 | Hames, Caleb (1473) | Won 2-0 | +181491 |
| 6extended | 107 | Malka, Sol (1844) | Lost 0-2 | -121479 |
| top | average opponent: 1624record: 2-4 | new rating: 1479 | ||