Joseph M.,
Current rating: 1508
Record: 4-4
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 45 | Canright, Dexter (1440) | Won 2-0 | +171517 |
| 3sealed | 33 | Brestel, Troy (1725) | Lost 1-2 | -141503 |
| 4sealed | 278 | Wisniewski, Cameron (1534) | Lost 1-2 | -181485 |
| 5sealed | 428 | Batchelor, Justin T (1572) | Won 2-0 | +201505 |
| 6sealed | 328 | Larison, Nicholas (1519) | Won 2-1 | +181523 |
| 7sealed | 164 | Ormsbee, Westley (1536) | Won 2-0 | +181541 |
| 8sealed | 128 | Stachurski, Richard (1669) | Lost 0-2 | -151526 |
| 9sealed | 188 | Lilly, Sale (1542) | Lost 1-2 | -181508 |
| average opponent: 1567record: 4-4 | new rating: 1508 | |||