Drevecky, Charlie
Current rating: 1460
Record: 4-7
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 242 | Skipwith, Colin (1654) | Lost 0-2 | -151471 |
| 2pioneer | 265 | Gilmore, Max (1797) | Won 2-1 | +231494 |
| 3pioneer | 275 | Seidl, Daniel (1572) | Lost 1-2 | -161478 |
| 4pioneer | 406 | Kleckner, Joe (1460) | Lost 0-2 | -181460 |
| average opponent: 1621record: 1-3 | new rating: 1460 | |||
| Grand Prix Minneapolis 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 164 | Bush, Adam (1527) | Won 2-1 | +181518 |
| 4standard | 32 | Murray, Brian (1491) | Lost 0-2 | -181500 |
| 5standard | 254 | Tran, Viet (1684) | Lost 0-2 | -151485 |
| 6standard | 404 | Richardson, Brian (1519) | Won 2-0 | +191504 |
| 7standard | 162 | Diischer, Matt (1580) | Lost 1-2 | -171487 |
| 8standard | 362 | Kolb, Matt (1413) | Won 2-0 | +171504 |
| 9standard | 190 | Burton, Taylor (1489) | Lost 1-2 | -181486 |
| average opponent: 1529record: 3-4 | new rating: 1486 | |||