Czech, Peter
Current rating: 1395
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 87 | Sperlunto, Ralph (1500) | Lost 0-2 | -171429 |
| 2standard | 401 | Murphy, Patrick (1470) | Lost 1-2 | -171412 |
| 3standard | 661 | Lomas, Brandon (1467) | Lost 1-2 | -171395 |
| top | average opponent: 1479record: 0-3 | new rating: 1395 | ||
| Grand Prix Atlanta 2008 (ALA limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 68 | French, Shawn (1500) | Lost 1-2 | -181463 |
| 2sealed | 177 | Carter, Aaron (1482) | Lost 1-2 | -171446 |
| top | average opponent: 1491record: 0-2 | new rating: 1446 | ||
| Grand Prix Atlanta 2003 (8ED standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 143 | Heuser, Dennis (1500) | Lost 1-2 | -181482 |
| 2standard | 152 | Massey, Jamie (1482) | Won 2-0 | +181500 |
| 3standard | 154 | Bowden, Trevor (1501) | Won 2-0 | +181518 |
| 4standard | 88 | Fox, Brian (1490) | Lost 1-2 | -181500 |
| 5standard | 183 | Rodriguez, Alex (1478) | Lost 0-2 | -191481 |
| top | average opponent: 1490record: 2-3 | new rating: 1481 | ||