Morrison, Samuel
Current rating: 1579
Record: 18-14-2
| Grand Prix Dallas-Fort Worth 2018 (DOM limited) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 125 | Smith, Courtney (1496) | Won 2-1 | +171566 |
| 2sealed | 191 | Mendiola, Jeremiah (1573) | Lost 0-2 | -181548 |
| 3sealed | 303 | Herren, Jason (1360) | Won 2-1 | +141562 |
| 4sealed | 338 | Thomas, Joseph (1458) | Won 2-0 | +161578 |
| 5sealed | 92 | Vizaro, Justin (1630) | Won 2-0 | +191597 |
| 6sealed | 152 | Sutherland, Ryan (1586) | Draw 1-1 | 01597 |
| 7sealed | 100 | Cappa, Robert (1595) | Lost 1-2 | -181579 |
| top | average opponent: 1528record: 4-2-1 | new rating: 1579 | ||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 180 | Brock, Daniel (1451) | Won 2-0 | +171530 |
| 2modern | 99 | Zandi, Jeff (1506) | Won 2-0 | +181548 |
| 3modern | 1014 | Jones, Derek (1459) | Draw 0-0 | -21546 |
| 4modern | 143 | France, Todd (1536) | Won 2-0 | +181564 |
| 5modern | 72 | Muller, Garland (1561) | Won 2-1 | +181582 |
| 6modern | 34 | Wagner, Robert (1690) | Lost 1-2 | -161566 |
| 7modern | 112 | Medley, Jacob (1597) | Lost 1-2 | -171549 |
| top | average opponent: 1543record: 4-2-1 | new rating: 1549 | ||
| Grand Prix Dallas-Fort Worth 2013 (THS standard) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 138 | Deaton, Bobby (1500) | Won 2-0 | +181522 |
| 2standard | 153 | Kang, Brian (1580) | Lost 1-2 | -171505 |
| 3standard | 301 | Sherrill, Paul (1500) | Lost 1-2 | -181487 |
| 4standard | 382 | Gross, Matt (1480) | Won 2-0 | +181505 |
| 5standard | 355 | Howell, Shawn (1480) | Won 2-1 | +171522 |
| 6standard | 275 | Parnell, Aaron (1517) | Won 2-1 | +181540 |
| 7standard | 195 | Stark, Ben S (2121) | Lost 1-2 | -81532 |
| 8standard | 268 | Nguyen, David M (1522) | Lost 0-2 | -191513 |
| top | average opponent: 1587record: 4-4 | new rating: 1513 | ||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 128 | Tran, Minh (1636) | Lost 1-2 | -151484 |
| 2standard | 209 | Lopez, Jessie (1481) | Won 2-0 | +181502 |
| 3standard | 237 | Perkins, Christopher (1445) | Lost 0-2 | -191483 |
| 4standard | 255 | Landt, Gus (1483) | Won 2-0 | +181501 |
| 5standard | 273 | Rubio, Graciano (1500) | Won 2-1 | +181519 |
| 6standard | 179 | Friedman, Michael (1691) | Lost 0-2 | -151504 |
| top | average opponent: 1539record: 3-3 | new rating: 1504 | ||
| Grand Prix Austin 2012 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 23 | Jones, Bryson (1500) | Won 2-0 | +181518 |
| 2sealed | 72 | Golightly, Peter (1500) | Lost 1-2 | -181500 |
| 3sealed | 304 | Tate, Cory (1500) | Lost 1-2 | -181482 |
| 4sealed | 375 | Poklitar, Ken (1481) | Won 2-0 | +181500 |
| 5sealed | 303 | Autin, Benjamin (1500) | Won 2-1 | +181518 |
| 6sealed | 244 | MacGillivray, Joseph (1500) | Lost 0-2 | -191499 |
| top | average opponent: 1497record: 3-3 | new rating: 1499 | ||