Knightson, John
Current rating: 1419
Record: 8-13
| Grand Prix Birmingham 2018 (std) (DOM standard) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 140 | Hall, Andy (1480) | Lost 1-2 | -181440 |
| 2standard | 277 | Smy, Reuben (1335) | Won 2-0 | +161456 |
| 3standard | 480 | Balcombe, Thomas (1446) | Lost 0-2 | -181438 |
| 4standard | 424 | Dalsgaard, Simen Andre (1478) | Lost 1-2 | -171421 |
| 5standard | 479 | Nazarenus, Julian (1515) | Lost 0-2 | -171404 |
| 6standard | 441 | Pearce, Chris [ENG] (1463) | Won 2-0 | +191423 |
| 7standard | 353 | Mcmorine, David (1462) | Lost 0-2 | -171406 |
| 8standard | 331 | Oria, Antoine (1123) | Won 2-0 | +131419 |
| top | average opponent: 1413record: 3-5 | new rating: 1419 | ||
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 401 | Kazakou, Irene (1500) | Won 2-1 | +191482 |
| 2sealed | 511 | Morello, Vittorio (1624) | Lost 0-2 | -151467 |
| 3sealed | 506 | Nicholls, Samuel (1500) | Won 2-0 | +181485 |
| 4sealed | 498 | Carr, James (1524) | Won 2-1 | +191504 |
| 5sealed | 498 | Maij, Rosario (1799) | Lost 0-2 | -131491 |
| 6sealed | 564 | Pritsch, Max (1597) | Lost 1-2 | -161475 |
| 7sealed | 532 | Guise, Edward A (1500) | Lost 0-2 | -171458 |
| top | average opponent: 1578record: 3-4 | new rating: 1458 | ||
| Grand Prix Madrid 2010 (legacy) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 174 | Rodriguez Garcia, Charlie (1500) | Won 2-1 | +191500 |
| 2legacy | 163 | Brancaleoni, Renato (1494) | Lost 0-2 | -191481 |
| 3legacy | 335 | Cruz Cano, Pedro Juan (1482) | Lost 1-2 | -181463 |
| top | average opponent: 1492record: 1-2 | new rating: 1463 | ||
| Grand Prix Birmingham 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 177 | Hall, Kenneth (1531) | Lost 1-2 | -171483 |
| 2block | 203 | Zdarsky, Ondrej (1405) | Won 2-1 | +161499 |
| 3block | 102 | Zeal, Dominic (1500) | Lost 1-2 | -181481 |
| top | average opponent: 1478record: 1-2 | new rating: 1481 | ||