Born, Zachary M
Current rating: 1519
Record: 5-4
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 475 | Poppelreiter, Gary (1463) | Won 2-1 | +171517 |
| 2sealed | 280 | Lericos, Brandon (1518) | Lost 1-2 | -181499 |
| 3sealed | 387 | Walker, Brett (1571) | Won 2-1 | +201519 |
| 4sealed | 466 | Sherman, Joshua (1518) | Won 2-1 | +181537 |
| 5sealed | 273 | Evans, Eli (1673) | Lost 0-2 | -161521 |
| 6sealed | 394 | Greiner, Jeremy (1520) | Won 2-0 | +181539 |
| 7sealed | 224 | Staton, Branch (1603) | Lost 1-2 | -171522 |
| 8sealed | 260 | Jury, Nick (1353) | Won 2-1 | +151537 |
| 9sealed | 217 | Bowman, Jeremy (1551) | Lost 0-2 | -181519 |
| average opponent: 1530record: 5-4 | new rating: 1519 | |||