Lewis, Derek
Current rating: 1470
Record: 2-4
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 488 | Johnson, Brandon (1454) | Won 2-1 | +171517 |
| 2pioneer | 61 | Ferris, Robert (1575) | Lost 1-2 | -171500 |
| 3pioneer | 406 | Sobczak, Nicholas (1571) | Won 2-0 | +201520 |
| 4pioneer | 191 | Stiles, Collin (1651) | Lost 0-2 | -161504 |
| 5pioneer | 251 | Pisano, Rob (1743) | Lost 0-2 | -141490 |
| 6pioneer | 447 | Sliman, Samuel (1383) | Lost 1-2 | -201470 |
| average opponent: 1563record: 2-4 | new rating: 1470 | |||