Blystone, John W
Current rating: 1483
Record: 2-3
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 256 | Vogel, James (1500) | Lost 0-2 | -181482 |
| 2modern | 370 | Cabrera, Marco R (1431) | Won 2-1 | +171499 |
| 3modern | 262 | Kirkendall, James (1500) | Won 2-0 | +181517 |
| 4modern | 304 | Krupicki, Krzysztof (1555) | Lost 1-2 | -171500 |
| 5modern | 328 | Villa, Michael (1591) | Lost 0-2 | -171483 |
| average opponent: 1515record: 2-3 | new rating: 1483 | |||