Whittaker, David
Current rating: 1453
| Grand Prix London 2015 (ORI standard) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 774 | Holmstedt, Rolf (1424) | Lost 1-2 | -191468 |
| 2standard | 869 | Olsson, August (1482) | Lost 1-2 | -171451 |
| 3standard | 1078 | Hill, Josh (1464) | Won 2-1 | +181469 |
| 4standard | 1010 | Sharpson, Eamonn (1538) | Lost 1-2 | -171452 |
| 5standard | 995 | Presumido, Paulo (1447) | Won 2-1 | +181470 |
| 6standard | 942 | Berszieck, Thomas (1493) | Lost 1-2 | -181452 |
| 7standard | 689 | Villis, Matt (1467) | Won 2-0 | +191471 |
| 8standard | 624 | Rigby, Martin (1480) | Lost 0-2 | -181453 |
| top | average opponent: 1474record: 3-5 | new rating: 1453 | ||
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 502 | Palmer, Tom (1525) | Lost 0-2 | -161414 |
| 3sealed | 543 | Rodway, Joe J (1468) | Won 2-0 | +191433 |
| 4sealed | 500 | Harvey, Simon (1492) | Won 2-1 | +191452 |
| 5sealed | 483 | Marsh-smith, Edward (1534) | Won 2-0 | +191471 |
| 6sealed | 470 | Bland, Richard (1924) | Won 2-1 | +261497 |
| 7sealed | 430 | James, Russell (1547) | Lost 0-2 | -171480 |
| 8sealed | 453 | Cruz Cano, Pedro Juan (1536) | Won 2-0 | +191499 |
| 9sealed | 555 | Koch, Florian (1872) | Lost 1-2 | -121487 |
| top | average opponent: 1612record: 5-3 | new rating: 1487 | ||
| Grand Prix Lille 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 667 | Kanaan, David (1539) | Lost 1-2 | -171483 |
| 3standard | 673 | Eibel, Andreas (1498) | Won 2-1 | +181501 |
| 4standard | 708 | Semkin, Alexander (1518) | Lost 1-2 | -181483 |
| 5standard | 777 | Brand, Fabian (1502) | Lost 1-2 | -171466 |
| 6standard | 761 | Minon, Jerome (1482) | Lost 1-2 | -181448 |
| 7standard | 791 | Flament, Florian (1460) | Lost 1-2 | -181430 |
| 8standard | 765 | Artioli, Stefano Sauro (1412) | Won 2-1 | +181448 |
| 9standard | 721 | Patillet, Laura (1459) | Lost 1-2 | -181430 |
| top | average opponent: 1484record: 2-6 | new rating: 1430 | ||