Lambeth, Jason
Current rating: 1567
Record: 31-29-1
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 25 | Roark, Joshua (1500) | Won 2-0 | +191479 |
| 2sealed | 163 | Peeso, George (1484) | Won 2-0 | +181497 |
| 3sealed | 178 | Osborne, Paul (1537) | Lost 1-2 | -181479 |
| 4sealed | 186 | Hernandez, Alfonso (1606) | Won 2-0 | +211500 |
| 5sealed | 159 | Miles, Ethan (1538) | Lost 0-2 | -181482 |
| 6sealed | 203 | McAlexander, Chris (1520) | Won 2-1 | +191501 |
| 7sealed | 176 | Roger, Philippe (1528) | Won 2-1 | +191520 |
| 8sealed | 74 | Mackay, Richard (1570) | Won 2-1 | +181538 |
| 9sealed | 86 | Smith, Mike (1595) | Won 2-0 | +201558 |
| 10draft | 20 | Dao, Phu (1859) | Lost 0-2 | -131545 |
| 11draft | 94 | Lugo, Jose (1558) | Won 2-0 | +181563 |
| 12draft | 74 | Parker, Gregory (1757) | Lost 1-2 | -141549 |
| 13draft | 47 | Ruddeforth, Brian (1588) | Lost 1-2 | -181531 |
| 14draft | 26 | Shawn, Ashton (1550) | Won 2-1 | +191550 |
| 15draft | 88 | Mitchell, Shawn (1534) | Won 2-0 | +171567 |
| top | average opponent: 1582record: 10-5 | new rating: 1567 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 219 | Pripstein, Ralph (1564) | Lost 1-2 | -171473 |
| 3sealed | 343 | Willi, Thomas (1483) | Lost 0-2 | -181455 |
| 4sealed | 430 | Eggert, Jeremy (1481) | Won 2-0 | +191474 |
| 5sealed | 296 | McDaniel, Kyle (1496) | Lost 1-2 | -181456 |
| 6sealed | 349 | Midkiff, Michael (1483) | Won 2-0 | +191475 |
| 7sealed | 277 | Michael, Theresa (1482) | Won 2-0 | +181493 |
| 8sealed | 212 | Sun, Mark (1642) | Lost 1-2 | -161477 |
| 9sealed | 156 | Patton, Brandon (1497) | Lost 0-2 | -171460 |
| top | average opponent: 1516record: 3-5 | new rating: 1460 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 140 | Okoniewski, Peter (1518) | Lost 1-2 | -181507 |
| 3standard | 505 | Mancinelli, Matthew (1544) | Lost 1-2 | -171490 |
| 4standard | 642 | Kirby, Nick (1483) | Won 2-1 | +181508 |
| 5standard | 610 | Ng, Yue Kiu Kevin (1500) | Lost 1-2 | -181490 |
| top | average opponent: 1511record: 1-3 | new rating: 1490 | ||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1564 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3 | Tsibushnik, Max (1500) | Lost 1-2 | -191545 |
| 2sealed | 298 | Lynn, Ryan (1477) | Lost 0-2 | -201525 |
| top | average opponent: 1488record: 0-2 | new rating: 1525 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 33 | Kelley, Jeremy (1523) | Won 2-0 | +171585 |
| 2extended | 38 | Harrison, Steven T (1518) | Won 2-0 | +171602 |
| 3extended | 48 | Lanzo, Aaron (1536) | Lost 1-2 | -191583 |
| 4extended | 140 | Kamihara, Ken (1523) | Lost 1-2 | -191564 |
| top | average opponent: 1525record: 2-2 | new rating: 1564 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 822 | Kinney, Michael (1503) | Won 2-1 | +181519 |
| 2standard | 687 | Krattenmaker, Rick (1481) | Lost 1-2 | -191500 |
| 3standard | 922 | Allulis, Chris (1500) | Won 2-1 | +181518 |
| 4standard | 729 | Linde, Matt (1627) | Won 2-1 | +201538 |
| 5standard | 723 | Glass, Michael (1536) | Won 2-0 | +181556 |
| 6standard | 683 | Flynn, Ryan (1554) | Won 2-1 | +181574 |
| 7standard | 649 | Manfield, Seth (1940) | Won 2-0 | +251599 |
| 8standard | 609 | Ludewig, Matthias (1773) | Won 2-1 | +211620 |
| 9standard | 622 | Napoli, Phillip (1580) | Lost 1-2 | -191601 |
| 10standard | 90 | Boswell, Andrew (1593) | Lost 1-2 | -181583 |
| 11standard | 26 | Bushard, Ryan (1583) | Lost 0-2 | -181565 |
| 12standard | 103 | Milliken, Joshua (1572) | Lost 0-2 | -181547 |
| 13standard | 97 | Neeley, Dan (1575) | Won 2-1 | +191566 |
| 14standard | 85 | Poole, Jon (1553) | Won 2-1 | +171583 |
| 15standard | 77 | Yam, Philip (1745) | Lost 0-2 | -151568 |
| top | average opponent: 1608record: 9-6 | new rating: 1568 | ||
| Grand Prix Atlanta 2008 (ALA limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 78 | Sale, Daniel (1602) | Won 2-1 | +201538 |
| 2sealed | 25 | Aranami, Naoto (1480) | Lost 1-2 | -191519 |
| 3sealed | 140 | Bahnaman, Stephen (1512) | Won 2-0 | +181537 |
| 4sealed | 165 | Tourlou, Christopher (1535) | Lost 0-2 | -181519 |
| 5sealed | 223 | Mansoor, Mat M (1535) | Lost 1-2 | -181501 |
| top | average opponent: 1533record: 2-3 | new rating: 1501 | ||
| Grand Prix Charlotte 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 106 | Anglin, Doug (1500) | Lost 0-2 | -181482 |
| 2extended | 161 | Davis, Will (1482) | Draw 1-1 | 01482 |
| 3extended | 162 | Jackson, Charles (1483) | Won 2-0 | +181500 |
| 4extended | 143 | LaRose, Justin (1538) | Won 2-1 | +191519 |
| 5extended | 92 | Cackler, Chuck (1519) | Lost 0-2 | -181501 |
| 6extended | 126 | Bowers, Steven (1500) | Won 2-1 | +181519 |
| 7extended | 98 | Gustavsson, Jake (1522) | Won 2-0 | +181537 |
| 8extended | 66 | Loy, Patrick (1517) | Lost 0-2 | -191518 |
| top | average opponent: 1508record: 4-3-1 | new rating: 1518 | ||