Harmon, Charles
Current rating: 1466
Record: 3-5
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 535 | Chatham, Charles (1548) | Lost 1-2 | -171483 |
| 2modern | 739 | Smith, Matthew (1529) | Lost 0-2 | -171466 |
| average opponent: 1538record: 0-2 | new rating: 1466 | |||
| Grand Prix Minneapolis 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 205 | Lemon, Thomas (1554) | Lost 1-2 | -171483 |
| 2modern | 572 | Thao, Lenny (1492) | Lost 0-2 | -181465 |
| 3modern | 811 | Hoffman, Trisha (1313) | Won 2-1 | +151480 |
| 4modern | 628 | Anderson, AJ (1506) | Won 2-1 | +191499 |
| 5modern | 469 | Thomas, Matt (1503) | Lost 0-2 | -181481 |
| 6modern | 627 | Fields, Jeremy (1562) | Won 2-0 | +191500 |
| average opponent: 1488record: 3-3 | new rating: 1500 | |||