Henderson, David
Current rating: 1446
Record: 2-5
| Grand Prix Montreal 2015 (DTK limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 290 | Piazza, Jon (1408) | Lost 1-2 | -191445 |
| 2sealed | 398 | Pare, Cederic (1483) | Won 2-0 | +181463 |
| 3sealed | 323 | Sylvester, Robert (1501) | Lost 0-2 | -171446 |
| average opponent: 1464record: 1-2 | new rating: 1446 | |||
| Grand Prix San Diego 1999 (MMQ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 27 | Maun, Mark (1482) | Won 0-0 | +181518 |
| 2sealed | 45 | Emmert, Mike (1518) | Lost 0-0 | -181500 |
| 3sealed | 87 | Katin, Leroy (1500) | Lost 1-2 | -181482 |
| 4sealed | 97 | Tam, Jerric (1481) | Lost 0-0 | -181464 |
| average opponent: 1495record: 1-3 | new rating: 1464 | |||