Howells, Derek
Current rating: 1463
Record: 1-3-1
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 433 | Ghattas-Smith, Sebastian (1500) | Lost 0-2 | -181482 |
| 2modern | 587 | Gainey, Hayden (1521) | Draw 1-1 | +11483 |
| 3modern | 726 | Evans, Dylun (1481) | Lost 0-2 | -181465 |
| 4modern | 776 | Padilla, Alberto (1368) | Lost 0-2 | -201445 |
| 5modern | 726 | Hundemer, Greg (1438) | Won 2-1 | +181463 |
| average opponent: 1462record: 1-3-1 | new rating: 1463 | |||