Logan, Jonathan
Current rating: 1456
Record: 4-7
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 124 | Osman, JJ (1500) | Won 2-1 | +191508 |
| 2standard | 86 | Sumner, Cameron (1518) | Lost 1-2 | -181490 |
| 3standard | 438 | Dickerson, Jebediah (1526) | Lost 0-2 | -181472 |
| 4standard | 683 | Rawlina, Breanna (1484) | Lost 1-2 | -171455 |
| 5standard | 709 | Perez, Jorge (1429) | Won 2-1 | +171472 |
| 6standard | 587 | Cerino, Matthew (1554) | Lost 0-2 | -161456 |
| average opponent: 1502record: 2-4 | new rating: 1456 | |||
| Grand Prix Detroit 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 25 | Wilson, Richard (1485) | Won 0-0 | +181518 |
| 3modern | 67 | Stewart, Shawn (1463) | Won 2-0 | +171535 |
| 4modern | 132 | Wasson, John (1545) | Lost 0-2 | -181517 |
| 5modern | 284 | DeMars, Brian (1925) | Lost 0-2 | -111506 |
| 6modern | 428 | Terry, Jason (1588) | Lost 0-2 | -171489 |
| average opponent: 1601record: 2-3 | new rating: 1489 | |||