Lehman, Preston
Current rating: 1463
Record: 3-5
| Grand Prix Pittsburgh 2018 (DOM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 57 | Illig, Greg (1483) | Won 2-0 | +181518 |
| 2standard | 165 | Viola, Anthony (1513) | Lost 1-2 | -181500 |
| 3standard | 294 | Pavlik, Marshal (1498) | Lost 0-2 | -181482 |
| 4standard | 356 | Dice, Dylan (1483) | Won 2-0 | +181500 |
| 5standard | 232 | Smith II, Kevin (1499) | Lost 1-2 | -181482 |
| 6standard | 320 | Doak, Sean (1429) | Won 1-0 | +171499 |
| 7standard | 270 | Childs-Moore, Christopher (1499) | Lost 1-2 | -181481 |
| 8standard | 247 | Kehoe, Michael (1483) | Lost 0-2 | -181463 |
| average opponent: 1486record: 3-5 | new rating: 1463 | |||