Duncan, Jon-David A
Current rating: 1518
Record: 4-3
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 385 | Murley, Victor B (1500) | Won 2-0 | +181518 |
| 2standard | 291 | Pieper, Charles (1560) | Lost 0-2 | -171501 |
| 3standard | 356 | Nemeth, Mark (1502) | Won 2-1 | +181519 |
| 4standard | 310 | Garnett, Derek (1520) | Won 2-1 | +181537 |
| 5standard | 238 | Kroeger, Barrett (1483) | Lost 1-2 | -191518 |
| 6standard | 278 | Gray, Kristopher W (1518) | Lost 0-2 | -181500 |
| 7standard | 266 | Keller, Israel (1500) | Won 2-1 | +181518 |
| average opponent: 1512record: 4-3 | new rating: 1518 | |||