Pelfrey, Ryan
Current rating: 1536
Record: 5-3-1
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 195 | Blatt, Douglas (1500) | Won 2-0 | +181518 |
| 2modern | 335 | Hudson, Nathan (1551) | Won 2-0 | +191537 |
| 3modern | 71 | Crook, Matthew (1475) | Won 2-1 | +161553 |
| 4modern | 117 | Newill, Jason W (1648) | Lost 0-2 | -161537 |
| 5modern | 102 | Anctil, Kevin (1506) | Draw 1-1 | 01537 |
| 6modern | 173 | Zalewski, Lawrence (1537) | Won 2-0 | +181555 |
| 7modern | 104 | Merced, Davis (1505) | Won 2-1 | +171572 |
| 8modern | 65 | Jupiter, Jermol (1613) | Lost 0-2 | -181554 |
| 9modern | 120 | Simon, Michael (1533) | Lost 0-2 | -181536 |
| average opponent: 1541record: 5-3-1 | new rating: 1536 | |||