Hartman, David
Current rating: 1506
Record: 3-3
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 96 | Lythell, Stuart (1500) | Won 2-0 | +181518 |
| 2standard | 22 | Russell, Toby (1486) | Won 2-1 | +171535 |
| 3standard | 5 | Brandt, Kenneth (1915) | Lost 0-2 | -111524 |
| 4standard | 306 | Vincent, Chris (1589) | Lost 1-2 | -171507 |
| 5standard | 403 | Davies, Bobby (1497) | Won 2-0 | +181525 |
| 6standard | 217 | White, Steven C (1453) | Lost 1-2 | -191506 |
| average opponent: 1573record: 3-3 | new rating: 1506 | |||