Lightbody, Peter
Current rating: 1381
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 286 | Boldan, Eric (1440) | Lost 0-2 | -171392 |
| 2sealed | 275 | Marquiss, Steven (1484) | Lost 0-2 | -161376 |
| 3sealed | 417 | Minor, Sean (1564) | Won 2-0 | +211397 |
| 4sealed | 295 | Vandepol, Coleman (1485) | Lost 0-2 | -161381 |
| top | average opponent: 1493record: 1-3 | new rating: 1381 | ||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2083 | Allington, Daniel (1444) | Lost 1-2 | -181444 |
| 2modern | 2406 | McNally, Colin (1482) | Lost 0-2 | -171427 |
| 3modern | 2658 | Rooke-Bertrand, Tristen (1464) | Lost 1-2 | -181409 |
| top | average opponent: 1463record: 0-3 | new rating: 1409 | ||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 502 | McIvor, Craig (1500) | Lost 0-2 | -181482 |
| 2sealed | 494 | Sequeira, Sheldon (1482) | Won 2-0 | +181500 |
| 3sealed | 684 | Ohlde, Jacob (1500) | Lost 0-0 | -181482 |
| 4sealed | 734 | Tran, Vinh (1481) | Draw 1-1 | 01482 |
| 5sealed | 645 | TullyBarr, Rhiannon (1481) | Won 2-0 | +181500 |
| 6sealed | 485 | Ellis, Stephen (1412) | Lost 0-2 | -201480 |
| 7sealed | 532 | Mowatt, Eoin (1480) | Lost 0-2 | -181462 |
| top | average opponent: 1477record: 2-4-1 | new rating: 1462 | ||