Lawhorn, Rex L
Current rating: 1467
Record: 1-3
| Grand Prix Houston 2018 (RIX limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 70 | Hunter, George (1563) | Won 2-1 | +191519 |
| 2sealed | 69 | Jenkins, Tracie (1443) | Lost 0-2 | -191500 |
| 3sealed | 294 | Toledo, Bruno (1519) | Lost 0-2 | -181482 |
| 4sealed | 319 | Lisica, Kyle (1634) | Lost 0-2 | -151467 |
| average opponent: 1540record: 1-3 | new rating: 1467 | |||