McMahon, Cannon
Current rating: 1470
Record: 2-4
| Grand Prix Portland 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 118 | Teller, Travis (1500) | Lost 0-2 | -181482 |
| 2modern | 345 | Beare, Tom (1615) | Lost 0-2 | -161466 |
| 3modern | 337 | Yu, Phineas (1465) | Lost 0-2 | -181448 |
| 4modern | 464 | Braden, Tj (1446) | Won 2-1 | +181466 |
| 5modern | 384 | Hunt, reegan (1465) | Won 2-0 | +181484 |
| 6modern | 352 | Thompson, Mike (1677) | Lost 1-2 | -141470 |
| average opponent: 1528record: 2-4 | new rating: 1470 | |||