Mrozek, Tadeusz
Current rating: 1500
Record: 8-8-2
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 305 | Howells, Andrew (1500) | Lost 1-2 | -181484 |
| 2standard | 443 | Hundahl, Tate (1540) | Lost 0-2 | -171467 |
| 3standard | 669 | Kurtz, James (1442) | Lost 0-2 | -181449 |
| 4standard | 651 | McIntosh, Michael (1410) | Won 2-1 | +171466 |
| 5standard | 564 | Garcia, Eddy (1464) | Won 2-1 | +181484 |
| 6standard | 444 | Chandler, Charles (1491) | Draw 1-1 | 01484 |
| 7standard | 464 | Tanner, Chris (1448) | Won 2-1 | +171501 |
| 8standard | 368 | Rice, Joseph (1469) | Lost 1-2 | -181483 |
| 9standard | 356 | Jordan, James (1427) | Won 2-1 | +171500 |
| average opponent: 1466record: 4-4-1 | new rating: 1500 | |||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 55 | Trnka, Christian (1513) | Draw 1-1 | 01500 |
| 2standard | 355 | Waters, Josh (1498) | Lost 0-2 | -181482 |
| 3standard | 647 | Boyer, Joshua (1448) | Won 2-0 | +181500 |
| 4standard | 527 | Johnson, William (1605) | Won 2-0 | +201520 |
| 5standard | 365 | Stewart, Aroundel (1518) | Lost 1-2 | -191501 |
| 6standard | 483 | Yudt, Jack (1500) | Won 2-1 | +181519 |
| 7standard | 361 | Maas, Jeffrey (1568) | Lost 1-2 | -171502 |
| 8standard | 437 | Carter, Jonathan (1486) | Won 2-1 | +181520 |
| 9standard | 338 | Perez, Jehdiel (1519) | Lost 0-2 | -181502 |
| average opponent: 1517record: 4-4-1 | new rating: 1502 | |||