McCaffery, John
Current rating: 1560
Record: 6-3
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 126 | Solis, David (1627) | Won 2-0 | +201520 |
| 2sealed | 229 | Hernandez, Andres (1480) | Won 2-0 | +181538 |
| 3sealed | 131 | Ostrovich, Diego (1643) | Lost 0-2 | -171521 |
| 4sealed | 228 | Jenkins, Andrew (1483) | Lost 1-2 | -181503 |
| 5sealed | 262 | Oropeza, Mikel (1498) | Won 2-0 | +181521 |
| 6sealed | 207 | Gutierrez Gallego, Jose Francisco (1646) | Won 2-1 | +201541 |
| 7sealed | 178 | Ullman, Byron (1490) | Won 2-1 | +171558 |
| 8sealed | 119 | Kenjar, Jason (1465) | Won 2-1 | +161574 |
| 9sealed | 108 | Seck, Ben (1751) | Lost 1-2 | -141560 |
| average opponent: 1565record: 6-3 | new rating: 1560 | |||