Mahoney, Dan
Current rating: 1481
Record: 3-4
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 147 | Vlosich, James (1500) | Won 2-1 | +181518 |
| 2sealed | 243 | Horlacher, Travis (1457) | Lost 1-2 | -191499 |
| 3sealed | 338 | Shea, Ed (1499) | Lost 1-2 | -181481 |
| 4sealed | 541 | Rice, Doug (1488) | Lost 0-2 | -181463 |
| 5sealed | 597 | Manzuk, Samantha (1463) | Won 2-1 | +181481 |
| 6sealed | 466 | Djukic, Eli (1484) | Won 2-0 | +181499 |
| 7sealed | 346 | Fernandez, Fernando (1501) | Lost 0-2 | -181481 |
| average opponent: 1485record: 3-4 | new rating: 1481 | |||