Waldron, Joseph A
Current rating: 1464
Record: 3-5
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 114 | Coward, Marcus (1500) | Won 2-0 | +181500 |
| 2sealed | 219 | Greise, Robert (1500) | Lost 1-2 | -181482 |
| 3sealed | 331 | Demi, Stephen (1508) | Lost 1-2 | -181464 |
| average opponent: 1503record: 1-2 | new rating: 1464 | |||
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 394 | Katz, Ben (1499) | Lost 1-2 | -181482 |
| 2standard | 433 | Sweeney, Jace (1463) | Lost 0-2 | -181464 |
| 3standard | 549 | Salentino, Sean (1465) | Won 2-0 | +181482 |
| 4standard | 488 | Springer, Harry (1445) | Won 2-0 | +171499 |
| 5standard | 355 | Bentley, Johnathan (1534) | Lost 0-2 | -171482 |
| average opponent: 1481record: 2-3 | new rating: 1482 | |||