Murphy, Keith
Current rating: 1521
Record: 4-3
| Grand Prix Portland 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 13 | Brown, Preston (1519) | Lost 0-2 | -181482 |
| 2modern | 255 | Gadzinski, Grae (1537) | Lost 0-2 | -171465 |
| 3modern | 376 | Goff, Robert (1473) | Won 2-1 | +181483 |
| 4modern | 327 | Wagner, Andrew W (1565) | Won 2-1 | +201503 |
| 5modern | 265 | Jones, Christopher L (1499) | Won 2-0 | +181521 |
| 6modern | 206 | Stivers, Josiah (1494) | Won 2-1 | +171538 |
| 7modern | 130 | Sundholm, Peter (1545) | Lost 0-2 | -171521 |
| average opponent: 1519record: 4-3 | new rating: 1521 | |||