Mehaffey, Paul
Current rating: 1459
Record: 17-20-1
| Grand Prix Lille 2016 (modern) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 70 | Fortier, Remi (1811) | Lost 1-2 | -131477 |
| 2modern | 506 | Regel, Adrian (1482) | Won 2-0 | +191496 |
| 3modern | 643 | Van Bakel, Robbie (1547) | Lost 1-2 | -181478 |
| 4modern | 677 | Steinbruck, Philipp (1545) | Lost 0-2 | -161462 |
| 5modern | 794 | Coulombez, Alexandre (1463) | Lost 1-2 | -181444 |
| 6modern | 804 | Schepman, Patrick (1343) | Won 2-1 | +161460 |
| 7modern | 657 | Valentin, Damien (1398) | Won 2-0 | +171477 |
| 8modern | 514 | Ducenko, Lev (1486) | Lost 0-2 | -181459 |
| top | average opponent: 1509record: 3-5 | new rating: 1459 | ||
| Grand Prix Lille 2015 (legacy) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 210 | [anonymous] | Lost 0-2 | -191531 |
| 2legacy | 524 | Thijsen, Folke (1506) | Won 2-1 | +171548 |
| 3legacy | 595 | Valcke, Michiel (1487) | Lost 1-2 | -191529 |
| 4legacy | 636 | Chabrier, Damien (1386) | Lost 0-2 | -201509 |
| 5legacy | 662 | Daws, Christopher (1465) | Lost 0-2 | -191490 |
| top | average opponent: 1469record: 1-4 | new rating: 1490 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1605 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 91 | Hendrikx, Dolf (1723) | Lost 0-2 | -161589 |
| 3sealed | 638 | Benias, Nikolas (1514) | Lost 0-2 | -191570 |
| 4sealed | 724 | Tsang, Henry (1451) | Lost 0-2 | -201550 |
| top | average opponent: 1563record: 0-3 | new rating: 1550 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 156 | Sakellis, John (1500) | Won 2-1 | +181503 |
| 2block | 379 | Trent, Neil (1518) | Won 2-0 | +191522 |
| 3block | 239 | Fletcher, Joel (1538) | Won 2-0 | +181540 |
| 4block | 23 | Ilsley, Jacob (1556) | Won 2-1 | +181558 |
| 5block | 98 | Collinet, Patrick (1764) | Won 2-1 | +221580 |
| 6block | 147 | Carroll, Peter (1593) | Draw 1-1 | 01580 |
| 7block | 218 | Cruz, Claudio (1640) | Won 2-0 | +191599 |
| 8block | 8 | McLeod, Lewis (1655) | Won 2-1 | +191618 |
| 9block | 5 | Copping, Aaron (1596) | Lost 1-2 | -181600 |
| 10block | 21 | Carvalho, Marcio (1935) | Lost 0-2 | -121588 |
| 11block | 49 | Lehtonen, Timo (1562) | Lost 0-2 | -191569 |
| 12block | 62 | Ebinger, Alexander (1582) | Won 2-1 | +181587 |
| 13block | 47 | Pots, Maurice (1587) | Lost 0-2 | -181569 |
| 14block | 60 | Valverde Calero, Fernando (1541) | Won 2-1 | +181587 |
| 15block | 47 | Colley, Dan (1589) | Won 2-1 | +181605 |
| top | average opponent: 1610record: 10-4-1 | new rating: 1605 | ||
| Grand Prix Antwerp 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 213 | saury, jean-christophe (1500) | Won 2-0 | +181518 |
| 2modern | 252 | Mesotten, Rob (1612) | Won 2-0 | +201538 |
| 3modern | 231 | Morhee, Raymond (1465) | Lost 1-2 | -201518 |
| 4modern | 347 | Andrieu, Thibault (1560) | Lost 1-2 | -171501 |
| 5modern | 610 | Nijboer, Matthijs (1567) | Won 2-0 | +191520 |
| 6modern | 374 | Marzano, Pierre (1561) | Lost 1-2 | -171503 |
| 7modern | 475 | Danieli, Niv (1501) | Lost 0-2 | -181485 |
| top | average opponent: 1538record: 3-4 | new rating: 1485 | ||