Lehman, Garrett
Current rating: 1484
Record: 4-5
| Grand Prix Toronto 2018 (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 417 | Chalkley, Robert (1590) | Lost 0-2 | -171503 |
| 2modern | 483 | Hayman, Andrew (1445) | Lost 0-2 | -191484 |
| average opponent: 1517record: 0-2 | new rating: 1484 | |||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 317 | Downs, James (1481) | Won 2-0 | +181518 |
| 2modern | 304 | Murray, James (1517) | Lost 0-2 | -181500 |
| 3modern | 798 | Boice, Brad (1502) | Lost 1-2 | -181482 |
| 4modern | 1087 | VanDorsselaer, Aaron (1482) | Lost 1-2 | -181464 |
| 5modern | 1107 | Wisniewski, Mark (1463) | Won 2-0 | +181482 |
| 6modern | 786 | Louke, Mary (1501) | Won 2-1 | +181500 |
| 7modern | 692 | Hilson, Ian (1580) | Won 2-1 | +201520 |
| average opponent: 1504record: 4-3 | new rating: 1520 | |||