Laughton, Don
Current rating: 1433
Record: 37-42-1
Grand Prix Los Angeles 2009Grand Prix Portland 2010Grand Prix Dallas-Fort Worth 2011Grand Prix Seattle-Tacoma 2012Grand Prix Anaheim 2012Grand Prix San Diego 2013Grand Prix Las Vegas 2015 (2)Grand Prix Los Angeles 2016Grand Prix Las Vegas 2017 (modern)Grand Prix Las Vegas 2018 (modern)Grand Prix Las Vegas 2018 (limited)Grand Prix Los Angeles 2019
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1425 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 28 | Unger, Daniel (1512) | Draw 1-1 | +21427 |
| 3modern | 352 | Vadasz, John (1519) | Won 2-0 | +191446 |
| 4modern | 185 | Williams, Spencer 627 (1535) | Lost 1-2 | -161430 |
| 5modern | 351 | Lunt, Morgan (1526) | Won 2-0 | +201450 |
| 6modern | 223 | Conley, Aidan (1558) | Lost 0-2 | -161434 |
| 7modern | 337 | Arzate, Santos (1415) | Won 2-0 | +171451 |
| 8modern | 244 | Gray, Johnny (1424) | Lost 0-2 | -181433 |
| top | average opponent: 1499record: 3-3-1 | new rating: 1433 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 222 | Tsay, Allen (1522) | Lost 0-2 | -171442 |
| 3sealed | 463 | Flautz, Ronald (1492) | Lost 0-2 | -171425 |
| top | average opponent: 1507record: 0-2 | new rating: 1425 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 293 | King, Alex (1395) | Lost 0-2 | -191453 |
| 3modern | 567 | Baumgarten, Joseph (1563) | Lost 0-2 | -161437 |
| 4modern | 796 | Zonies, Jacob (1403) | Won 2-0 | +171454 |
| 5modern | 689 | Higgins, Michael (1430) | Won 2-0 | +181472 |
| 6modern | 612 | Kiefer, Quinn (1773) | Lost 0-2 | -131459 |
| top | average opponent: 1513record: 2-3 | new rating: 1459 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 335 | Cahill, Steve (1540) | Lost 1-2 | -171451 |
| 2modern | 979 | Benson, John (1513) | Won 2-0 | +191470 |
| 3modern | 1182 | Jansen, Morgan (1417) | Won 2-0 | +171487 |
| 4modern | 782 | Doi, Derek (1453) | Lost 0-2 | -181469 |
| 5modern | 819 | McClelon III, Robert (1501) | Won 2-1 | +181487 |
| 6modern | 607 | Vera, Pablo (1589) | Lost 1-2 | -161471 |
| 7modern | 981 | Hsia, Ryan (1509) | Won 2-0 | +191490 |
| 8modern | 785 | Negrete, Carlo (1495) | Lost 1-2 | -181472 |
| top | average opponent: 1502record: 4-4 | new rating: 1472 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 27 | Barlog, David (1500) | Lost 1-2 | -181440 |
| 2modern | 743 | Centeno, David (1467) | Lost 0-2 | -171423 |
| 3modern | 935 | Richmond, Ryan (1463) | Won 2-1 | +191442 |
| 4modern | 958 | Chambers, Christopher (1446) | Won 2-0 | +181460 |
| 5modern | 805 | Redfern, Paul (1636) | Won 2-0 | +211481 |
| 6modern | 577 | Lauren, Ty (1431) | Won 2-0 | +171498 |
| 7modern | 344 | Raugstad, Oddvar (1658) | Lost 1-2 | -151483 |
| 8modern | 391 | Killeen, Tristan (1651) | Lost 0-2 | -151468 |
| top | average opponent: 1532record: 4-4 | new rating: 1468 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 61 | Austria, Alfred (1464) | Lost 1-2 | -181476 |
| 2sealed | 237 | Li, Jonathan 2 (1482) | Lost 0-2 | -181458 |
| top | average opponent: 1473record: 0-2 | new rating: 1458 | ||
| Grand Prix San Diego 2013 (modern) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 25 | Del Carmen, Martin (1483) | Won 2-0 | +181495 |
| 2modern | 51 | Goddard, Maxwell (1486) | Lost 0-2 | -181477 |
| 3modern | 141 | Artates, Christian (1482) | Won 2-1 | +181495 |
| 4modern | 221 | Lapping, Alexander (1504) | Lost 0-2 | -181477 |
| 5modern | 260 | Barnum, Christopher (1496) | Lost 0-2 | -181459 |
| 6modern | 259 | Prado, Ruben (1479) | Won 2-0 | +191478 |
| 7modern | 212 | Carreon Rodriguez, Leopoldo (1497) | Lost 0-2 | -181460 |
| 8modern | 205 | Nonenmacher, Travis (1333) | Won 2-0 | +161476 |
| 9modern | 149 | Lewis, Brandon (1499) | Won 2-1 | +181494 |
| top | average opponent: 1473record: 5-4 | new rating: 1494 | ||
| Grand Prix Anaheim 2012 (Innistrad block) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 72 | Brumby, Gene (1818) | Lost 0-2 | -131491 |
| 3block | 251 | Jacoby, Daniel M (1502) | Lost 0-2 | -181473 |
| 4block | 402 | WELIS, DARION (1482) | Won 2-1 | +191492 |
| 5block | 283 | Zunter, Brian (1666) | Lost 0-2 | -151477 |
| top | average opponent: 1617record: 1-3 | new rating: 1477 | ||
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 327 | Howard, Adam L (1500) | Lost 0-2 | -191549 |
| 2sealed | 332 | Lamica, Jon (1517) | Lost 0-2 | -191530 |
| 3sealed | 485 | Burton, James (1410) | Won 2-0 | +161546 |
| 4sealed | 416 | Doyle, Nathan (1430) | Won 2-1 | +161562 |
| 5sealed | 323 | Wolf, Andrew (1596) | Lost 1-2 | -171545 |
| 6sealed | 399 | Dafoe, Braden (1481) | Lost 0-2 | -191526 |
| 7sealed | 316 | Cerda, Noel (1460) | Won 2-0 | +161542 |
| 8sealed | 235 | Burnham, Jefferson (1478) | Lost 1-2 | -191523 |
| 9sealed | 205 | Thompson, Casey (1445) | Lost 0-2 | -191504 |
| top | average opponent: 1480record: 3-6 | new rating: 1504 | ||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 139 | Diaz, Isaac (1500) | Lost 1-2 | -181500 |
| 2standard | 318 | Cole, Anthony Wayne (1483) | Lost 0-2 | -191481 |
| 3standard | 510 | Vincent, Kristopher (1430) | Won 2-0 | +171498 |
| 4standard | 516 | Hamilton, Michael 2 (1531) | Won 2-1 | +191517 |
| 5standard | 373 | Sockwell, Micah (1497) | Won 2-1 | +181535 |
| 6standard | 306 | Bederka, Chris (1518) | Won 2-1 | +171552 |
| 7standard | 236 | Gonzalez, Danny (1510) | Won 2-1 | +181570 |
| 8standard | 104 | Ebmeier, Ian (1559) | Lost 1-2 | -191551 |
| 9standard | 141 | Lindner, Chris (1486) | Won 2-1 | +171568 |
| top | average opponent: 1502record: 6-3 | new rating: 1568 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 336 | Downs, Jacob A (1500) | Lost 0-2 | -181501 |
| 2sealed | 434 | Simmons, Christian (1483) | Won 2-0 | +181519 |
| 3sealed | 287 | Lopate, Mike (1443) | Won 2-1 | +161535 |
| 4sealed | 379 | Leichman, Damon (1521) | Won 2-1 | +181553 |
| 5sealed | 162 | Derrickson, David (1648) | Lost 0-2 | -161537 |
| 6sealed | 296 | Whilden, Matthew (1517) | Won 2-0 | +171554 |
| 7sealed | 158 | RADA, GABRIEL (1540) | Lost 0-2 | -181536 |
| 8sealed | 194 | Dreher, Gregory (1532) | Lost 0-2 | -181518 |
| top | average opponent: 1523record: 4-4 | new rating: 1518 | ||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 153 | Nicholas, Stephen (1500) | Lost 0-2 | -181482 |
| 2extended | 299 | Athanassiadis, Alexander (1482) | Lost 0-2 | -181464 |
| 3extended | 346 | Parsinitz, Ralph (1516) | Won 2-1 | +191483 |
| 4extended | 354 | Johnson, Ethan (1471) | Lost 1-2 | -181465 |
| 5extended | 330 | Yee, Raymond (1463) | Won 2-1 | +181483 |
| 6extended | 253 | Chen, Michael (1466) | Won 2-1 | +171500 |
| 7extended | 192 | Zheng, Alan (1499) | Won 2-1 | +181518 |
| 8extended | 147 | Kenney, Tanya (1541) | Lost 1-2 | -171501 |
| 9extended | 120 | Alvarado Picazo, Arturo (1523) | Won 2-1 | +181519 |
| top | average opponent: 1496record: 5-4 | new rating: 1519 | ||