Dabberdt, Freddie
Current rating: 1492
| Grand Prix Denver 2019 (M20 standard) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 26 | Wilderson, Anthony (1530) | Won 2-1 | +191527 |
| 2standard | 102 | McCandless, Andrew (1699) | Lost 1-2 | -151512 |
| 3standard | 249 | Wright, Donnie (1449) | Lost 0-2 | -191493 |
| 4standard | 279 | Kurtz, James (1467) | Won 2-0 | +171510 |
| 5standard | 234 | Lundy, Tyler (1517) | Lost 0-2 | -181492 |
| top | average opponent: 1532record: 2-3 | new rating: 1492 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 298 | Trump, Daniel (1500) | Won 2-0 | +181543 |
| 2standard | 217 | Morgan, David (1550) | Lost 1-2 | -181525 |
| 3standard | 435 | Piil, McKennon (1567) | Won 2-1 | +191544 |
| 4standard | 276 | D'Alessio, Anthony (1526) | Lost 0-2 | -181526 |
| 5standard | 390 | Reyes, Jason (1506) | Won 2-0 | +171543 |
| 6standard | 182 | Richey, Richard (1494) | Lost 0-2 | -191524 |
| 7standard | 329 | Allen, Solon (1635) | Lost 1-2 | -161508 |
| top | average opponent: 1540record: 3-4 | new rating: 1508 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 466 | Schnauder, Ian (1500) | Won 2-0 | +181518 |
| 2standard | 305 | Tingstad, Daniel (1503) | Won 2-1 | +181536 |
| 3standard | 242 | Smith, Ian (1491) | Won 2-0 | +171553 |
| 4standard | 14 | Yoo, Bradley (1863) | Lost 1-2 | -131540 |
| 5standard | 195 | Adams, Ava (1532) | Lost 0-0 | -181522 |
| 6standard | 414 | Yee-Fong, Paul (1509) | Won 2-0 | +181540 |
| 7standard | 271 | Dietrich, Jake (1623) | Won 2-1 | +201560 |
| 8standard | 179 | Cubr, Adam (1655) | Lost 1-2 | -171543 |
| 9standard | 200 | Brinkman, Gunnar (1551) | Lost 0-2 | -181525 |
| top | average opponent: 1581record: 5-4 | new rating: 1525 | ||