Pfaus, Derek
Current rating: 1411
Record: 3-8
| Grand Prix Denver 2019 (M20 standard) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 185 | Lanning, Brian (1439) | Lost 1-2 | -191466 |
| 2standard | 242 | Carver, Daniel (1480) | Won 2-1 | +191485 |
| 3standard | 196 | Hopkins, Khael (1507) | Lost 1-2 | -181467 |
| 4standard | 261 | Autin, Benjamin (1455) | Lost 0-2 | -181449 |
| 5standard | 252 | Adams, Shawn (1464) | Lost 1-2 | -181431 |
| 6standard | 227 | Clark, Jay (1294) | Lost 0-2 | -201411 |
| average opponent: 1440record: 1-5 | new rating: 1411 | |||
| Grand Prix Dallas-Fort Worth 2018 (DOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 141 | Boren, Brandon (1426) | Lost 0-2 | -191481 |
| 2sealed | 312 | Meyer, Ben (1735) | Won 2-1 | +221503 |
| 3sealed | 295 | Johnson, Matthew 341 (1582) | Lost 1-2 | -161487 |
| 4sealed | 451 | McDow, Chris (1480) | Won 2-0 | +181505 |
| 5sealed | 345 | Haney, Alexander (1436) | Lost 1-2 | -201485 |
| average opponent: 1532record: 2-3 | new rating: 1485 | |||