Krawczyk, Derek
Current rating: 1460
Record: 3-5
| Grand Prix Columbus 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 128 | Harlan, Peter (1557) | Lost 0-2 | -171483 |
| 2modern | 191 | Morgan, Chris (1421) | Won 2-1 | +171500 |
| 3modern | 258 | Bustos, Michael (1397) | Lost 0-2 | -201480 |
| 4modern | 276 | Sobky, John (1353) | Won 2-0 | +161496 |
| 5modern | 221 | David, Julian (1511) | Won 2-1 | +181514 |
| 6modern | 112 | Hoxie, Richard (1531) | Lost 1-2 | -181496 |
| 7modern | 147 | Hunsicker, Noah (1474) | Lost 0-2 | -181478 |
| 8modern | 154 | Anderson, Edward (1481) | Lost 0-2 | -181460 |
| average opponent: 1466record: 3-5 | new rating: 1460 | |||