Dunn, John
Current rating: 1382
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1415 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 158 | Whittaker, Jack (1500) | Lost 0-2 | -161399 |
| 2standard | 594 | Hayes, Bill (1482) | Lost 0-2 | -171382 |
| top | average opponent: 1491record: 0-2 | new rating: 1382 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 528 | Pedrakowski, Tomasz (1696) | Lost 0-2 | -141450 |
| 2sealed | 455 | Rawas, Adel (1482) | Lost 0-2 | -171433 |
| 3sealed | 816 | Mahoney, Paul (1463) | Lost 1-2 | -181415 |
| top | average opponent: 1547record: 0-3 | new rating: 1415 | ||
| Grand Prix Washington DC 1999 (UDS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 103 | Proffitt, Richie (1500) | Lost 0-0 | -181482 |
| 2sealed | 130 | Mandl, Alex (1482) | Lost 0-0 | -181464 |
| top | average opponent: 1491record: 0-2 | new rating: 1464 | ||