Watson, Duncan
Current rating: 1341
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 246 | Sonderskov, Dan (1464) | Won 2-1 | +191418 |
| 2legacy | 171 | Musolino, Letterio (1561) | Lost 0-2 | -161402 |
| 3legacy | 140 | Tiinus, Joona (1608) | Lost 0-2 | -141388 |
| 4legacy | 391 | Ortiz de la Torre, David (1487) | Lost 0-2 | -161372 |
| 5legacy | 390 | de Vreede, Marc (1440) | Lost 0-2 | -171355 |
| 6legacy | 361 | Bock, Chris (1446) | Draw 1-1 | +21357 |
| 7legacy | 309 | Barth, Daude (1483) | Lost 0-2 | -161341 |
| top | average opponent: 1498record: 1-5-1 | new rating: 1341 | ||
| Grand Prix Barcelona 2009 (ARB standard) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 509 | Garcia Corulla, David (1500) | Lost 1-2 | -171414 |
| 2standard | 665 | Visser, Leanne (1511) | Won 2-1 | +201434 |
| 3standard | 602 | Blanco, Aaron (1400) | Lost 0-1 | -191415 |
| 4standard | 712 | Molina Olmedo, Daniel (1481) | Lost 1-2 | -161399 |
| top | average opponent: 1473record: 1-3 | new rating: 1399 | ||
| Grand Prix Birmingham 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 126 | Bateman, Crispin F (1500) | Won 2-1 | +181518 |
| 2block | 135 | Thomas, Adam (1518) | Lost 0-2 | -181500 |
| 3block | 100 | Herbert, Michael (1499) | Lost 1-2 | -181482 |
| 4block | 188 | Barnes, Craig (1508) | Lost 1-2 | -181464 |
| 5block | 222 | Davies, Rob (1464) | Won 2-1 | +181482 |
| 6block | 172 | Logan, William (1464) | Lost 0-0 | -181464 |
| 7block | 164 | Chatelain, Frederic (1589) | Lost 1-2 | -161448 |
| 8block | 145 | Guiret, Jean-francois (1481) | Lost 1-2 | -171431 |
| top | average opponent: 1503record: 2-6 | new rating: 1431 | ||