Holtkamp, Brian
Current rating: 1466
Record: 2-4
| Grand Prix Houston 2018 (RIX limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Thomas, Tommy (1480) | Won 2-1 | +181518 |
| 2sealed | 91 | Yafai, Imran (1500) | Lost 1-2 | -191499 |
| 3sealed | 275 | Eslami, Curtis (1740) | Lost 0-2 | -131486 |
| 4sealed | 387 | Brough, Trenton (1447) | Won 2-0 | +171503 |
| 5sealed | 258 | Edwards, Kyle (1510) | Lost 1-2 | -181485 |
| 6sealed | 290 | Kieser, Ryan (1430) | Lost 0-2 | -191466 |
| average opponent: 1518record: 2-4 | new rating: 1466 | |||