Sparkman, Jonathan
Current rating: 1505
Record: 3-3
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 108 | Parkin, Zachary (1500) | Won 2-0 | +181518 |
| 2modern | 2 | Murphy, Brian J (1537) | Lost 1-2 | -181500 |
| 3modern | 209 | Learnihan-Sylvester, Sean (1490) | Won 2-0 | +181518 |
| 4modern | 194 | Ingram, Peter (1804) | Lost 1-2 | -131505 |
| 5modern | 361 | Pate, Chris J (1466) | Won 2-1 | +181523 |
| 6modern | 242 | Taylor, Dennis (1562) | Lost 0-2 | -181505 |
| average opponent: 1560record: 3-3 | new rating: 1505 | |||