Jeffels, Matthew
Current rating: 1513
Record: 8-7-1
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 383 | Dygnas, Jonathan (1511) | Won 2-0 | +181534 |
| 2standard | 140 | Sneddon, Richard (1503) | Won 1-0 | +181552 |
| 3standard | 146 | Norris, Emmett (1431) | Lost 0-2 | -201532 |
| 4standard | 285 | Tregilgas, Conner (1521) | Lost 0-2 | -191513 |
| 5standard | 516 | Cestaro, Laurent (1570) | Lost 0-2 | -171496 |
| 6standard | 655 | Forshaw, Jayke (1384) | Won 2-0 | +161512 |
| 7standard | 507 | Dwyer, Jamie O (1543) | Draw 1-1 | +11513 |
| average opponent: 1495record: 3-3-1 | new rating: 1513 | |||
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 507 | Benedetto, Matteo (1481) | Lost 1-2 | -181482 |
| 2standard | 937 | Eliasson, Markus (1504) | Lost 1-2 | -181464 |
| 3standard | 1059 | Mcdonagh, Peter J (1465) | Won 2-0 | +181482 |
| 4standard | 927 | Dorle, Ludovic (1393) | Won 2-1 | +161498 |
| 5standard | 930 | Gillingham, Colin M (1500) | Won 2-1 | +181516 |
| 6standard | 872 | Linford, James (1512) | Won 2-0 | +181534 |
| 7standard | 515 | Velikov, Ilko (1519) | Won 2-0 | +181552 |
| 8standard | 462 | Atkinson, Mark (1517) | Lost 0-2 | -191533 |
| 9standard | 375 | Chandler, Martyn (1585) | Lost 0-2 | -171516 |
| average opponent: 1497record: 5-4 | new rating: 1516 | |||