Houston, Shawn
Current rating: 1557
Record: 15-12-1 (GP) / 5-8 (professional)
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 18 | McRae, Kyle (1517) | Lost 1-2 | -201560 |
| 3sealed | 242 | Mccoy, Brooks (1500) | Won 2-0 | +171577 |
| 4sealed | 228 | Schwankl, Andre (1578) | Lost 0-2 | -181559 |
| 5sealed | 236 | Peters, Patrick (1500) | Won 2-1 | +171576 |
| 6sealed | 137 | Preston, Zach (1521) | Lost 1-2 | -191557 |
| top | average opponent: 1523record: 2-3 | new rating: 1557 | ||
| Grand Prix Dallas 2007 (extended) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 174 | Babin, Kyle (1518) | Lost 0-2 | -191557 |
| 3extended | 151 | Donovan, John (1500) | Won 0-0 | +171574 |
| 4extended | 209 | Dunville, Jody (1477) | Won 2-1 | +161590 |
| 5extended | 107 | Damo da Rosa, Paulo Vitor (2014) | Lost 0-2 | -101580 |
| top | average opponent: 1627record: 2-2 | new rating: 1580 | ||
| Grand Prix St. Louis 2006 (CSP limited) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 44 | Beeton, James (1690) | Won 2-1 | +211512 |
| 3sealed | 66 | Koziel, Paul (1536) | Won 2-0 | +191531 |
| 4sealed | 29 | Jackson, Jeremy (1481) | Won 2-0 | +171548 |
| 5sealed | 27 | Baum, Nathan (1624) | Lost 0-2 | -171531 |
| 6sealed | 47 | Cordell, Kenneth (1496) | Won 2-1 | +181549 |
| 7sealed | 25 | Patnik, Michael (1574) | Won 2-0 | +181567 |
| 8sealed | 7 | Ryder, Sean (1677) | ID | 01567 |
| 9draft | 17 | Schmaltz, Matt (1699) | Won 2-1 | +201587 |
| 10draft | 31 | Boyd, Adam (1578) | Won 2-0 | +181605 |
| 11draft | 17 | Hill, Zac (1609) | Lost 1-2 | -181587 |
| 12draft | 19 | Schmaltz, Matt (1712) | Won 2-1 | +211608 |
| 13draft | 8 | Ioli, Mark (1803) | Lost 0-0 | -151593 |
| 14draft | 22 | Bragg, Tillman (1654) | Lost 0-2 | -171576 |
| top | average opponent: 1626record: 8-4-1 | new rating: 1576 | ||
| Pro Tour Prague 2006 (DIS draft) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 73 | Dal Farra, Gionata (1537) | Lost 0-2 | -171476 |
| 2draft | 113 | Wigge, Mathias (1870) | Won 2-0 | +251501 |
| 3draft | 70 | Lebedowicz, Osyp (1936) | Lost 0-2 | -111490 |
| 4draft | 48 | Lichtenstein, Drew (1519) | Won 2-0 | +191509 |
| 5draft | 3 | Ferneyhough, Michael (1505) | Lost 0-2 | -181491 |
| top | average opponent: 1673record: 2-3 | new rating: 1491 | ||
| Pro Tour Kobe 2004 (Mirrodin block) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 112 | Leu, Roger (1652) | Lost 1-2 | -161485 |
| 2block | 90 | Saunders, Nathan (1654) | Won 2-0 | +221507 |
| 3block | 77 | Betti, Alessandro (1715) | Won 2-0 | +211528 |
| 4block | 28 | Yasooka, Shota (1555) | Lost 1-2 | -171511 |
| 5block | 70 | Cato, Daniel (1697) | Won 2-0 | +211532 |
| 6block | 24 | Humpherys, David (2043) | Lost 0-2 | -91523 |
| 7block | 46 | Hay, Tom (1672) | Lost 1-2 | -161507 |
| 8block | 60 | Parker, Brock (1717) | Lost 0-2 | -141493 |
| top | average opponent: 1713record: 3-5 | new rating: 1493 | ||
| Grand Prix Kansas City 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 57 | Kinder, Jason (1502) | Won 2-1 | +181518 |
| 2sealed | 70 | Henson, Albert (1483) | Won 2-1 | +171535 |
| 3sealed | 69 | Johnson, Gunnar (1543) | Won 2-0 | +191554 |
| 4sealed | 49 | Flores, Homero (1543) | Draw 1-1 | -11553 |
| 5sealed | 40 | Musser, Michael (1669) | Lost 1-2 | -161537 |
| 6sealed | 79 | Blanchard, John (1515) | Lost 0-2 | -181519 |
| 7sealed | 100 | McCavana, Patrick (1502) | Lost 1-2 | -181501 |
| top | average opponent: 1537record: 3-3-1 | new rating: 1501 | ||