Sam M,
Current rating: 1609
Record: 8-2
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 134 | Street, Jacob (1500) | Won 2-0 | +181518 |
| 2sealed | 68 | Mahoney, Bryan (1518) | Won 2-1 | +181536 |
| 3sealed | 51 | Lee, Herman (1719) | Won 2-0 | +211557 |
| 4sealed | 63 | Williams, James (1570) | Lost 0-2 | -171540 |
| 5sealed | 260 | Hood, Jesse (1536) | Won 2-1 | +171557 |
| 6sealed | 222 | Daniel B., (1542) | Won 2-1 | +181575 |
| 7sealed | 138 | Lammey, Mark (1581) | Lost 1-2 | -181557 |
| 8sealed | 197 | Wong, Jennifer (1516) | Won 2-0 | +181575 |
| 9sealed | 91 | McAllister, Bob (1501) | Won 2-1 | +161591 |
| 10sealed | 334 | Colby, Nicholas (1571) | Won 2-1 | +181609 |
| average opponent: 1555record: 8-2 | new rating: 1609 | |||