Hamer, Douglas
Current rating: 1404
Record: 5-11-1
| Grand Prix Birmingham 2019 (modern) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 185 | Teague, Alexander (1500) | Won 2-0 | +191471 |
| 2modern | 18 | Andrews, Ben (1603) | Lost 1-2 | -161455 |
| 3modern | 220 | Fish, James (1467) | Lost 0-2 | -181437 |
| 4modern | 320 | Bainbridge, Simon (1485) | Lost 0-2 | -171420 |
| 5modern | 120 | Harre, Martin (1511) | Lost 0-2 | -161404 |
| top | average opponent: 1513record: 1-4 | new rating: 1404 | ||
| Grand Prix Birmingham 2017 (modern) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 148 | Neal, Benjamin (1464) | Won 2-1 | +181467 |
| 2modern | 46 | Murr, Mario (1611) | Lost 0-0 | -151452 |
| top | average opponent: 1537record: 1-1 | new rating: 1452 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 100 | Darroch, Alasdair (1500) | Lost 0-2 | -171465 |
| 2standard | 417 | Vousden, Jamie (1481) | Lost 0-2 | -181447 |
| 3standard | 535 | Dunkley, Sam (1520) | Draw 1-1 | +11448 |
| 4standard | 509 | Brilling, Friedrich (1463) | Won 2-0 | +191467 |
| 5standard | 120 | Breeden, Marina (1482) | Lost 0-2 | -181449 |
| top | average opponent: 1489record: 1-3-1 | new rating: 1449 | ||
| Grand Prix London 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 32 | Neumann, Mats (1558) | Lost 0-2 | -171483 |
| 2block | 208 | Groothuizen, Matthijs (1481) | Won 2-0 | +181501 |
| 3block | 182 | West, Nicholas (1502) | Lost 0-2 | -181483 |
| 4block | 226 | Salvidio, Roberto (1498) | Won 2-1 | +181501 |
| 5block | 136 | Wray, Mark (1451) | Lost 0-2 | -191482 |
| top | average opponent: 1498record: 2-3 | new rating: 1482 | ||