Johnson, Ryan O
Current rating: 1431
Record: 1-5
| Grand Prix Detroit 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 403 | Westfall, Robert (1575) | Lost 1-2 | -171483 |
| 2modern | 429 | Gadbois, Alan (1412) | Lost 0-0 | -191464 |
| 3modern | 619 | Ioja, Ed (1466) | Won 2-1 | +181482 |
| 4modern | 528 | Strause, Brandon (1479) | Lost 1-2 | -181464 |
| 5modern | 605 | Enokian, Anthony (1625) | Lost 0-2 | -151449 |
| 6modern | 559 | Maney, Tom (1429) | Lost 0-2 | -181431 |
| average opponent: 1498record: 1-5 | new rating: 1431 | |||