Laguna, Martin
Current rating: 1507
Record: 3-3
| Grand Prix Houston 2018 (RIX limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 32 | Kennedy, Connor (1500) | Won 2-0 | +181518 |
| 2sealed | 156 | Mendiola, Jeremiah (1552) | Won 2-1 | +191537 |
| 3sealed | 178 | Cervantes, Salvador (1613) | Lost 1-2 | -171520 |
| 4sealed | 162 | Fan, Mengyu (1519) | Won 2-1 | +181538 |
| 5sealed | 174 | Grodzinski, Ryan (1757) | Lost 0-2 | -141524 |
| 6sealed | 162 | Plantz, Ian (1581) | Lost 0-2 | -171507 |
| average opponent: 1587record: 3-3 | new rating: 1507 | |||