Shannon, Marshall
Current rating: 1464
Record: 0-2
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 236 | Zhao, Sheng (1500) | Lost 0-2 | -181482 |
| 2sealed | 342 | Williams, Steven M (1459) | Lost 0-2 | -181464 |
| average opponent: 1479record: 0-2 | new rating: 1464 | |||