MacNaughton, Jonathan
Current rating: 1463
Record: 1-3
| Grand Prix Atlanta 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 392 | Cumberledge, Kevin (1504) | Won 2-0 | +181518 |
| 2modern | 196 | Houck, Samuel (1454) | Lost 0-2 | -191499 |
| 3modern | 429 | Mendez, Daniel (1528) | Lost 0-2 | -181481 |
| 4modern | 678 | Bell, Huxley (1453) | Lost 1-2 | -181463 |
| average opponent: 1485record: 1-3 | new rating: 1463 | |||