Walker, Oliver J
Current rating: 1516
Record: 8-7
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 262 | Valkeneers, Koen (1550) | Won 2-0 | +191519 |
| 2standard | 230 | Kowalewski, Patrick (1555) | Lost 0-2 | -171502 |
| 3standard | 325 | Wilder, Louis (1483) | Won 2-1 | +171519 |
| 4standard | 340 | Platt, Katrin Z (1520) | Won 2-0 | +181537 |
| 5standard | 181 | Hunsdon, James (1502) | Won 2-1 | +181555 |
| 6standard | 50 | Rodriguez Romero, Ignacio (1539) | Won 2-1 | +171572 |
| 7standard | 77 | Worsnop, George (1524) | Won 2-0 | +171589 |
| 8standard | 17 | Derpmann, Werner (1496) | Won 2-0 | +171606 |
| 9standard | 26 | Misevic, Nikola (1612) | Lost 1-2 | -181588 |
| 10standard | 114 | Salmon, Robert (1542) | Lost 0-2 | -191569 |
| 11standard | 110 | Loufek, Vaclav (1579) | Lost 1-2 | -181551 |
| 12standard | 115 | Conde-Gonzalez, Francisco Antonio (1562) | Lost 1-2 | -181533 |
| 13standard | 111 | Poole, Rory (1495) | Won 2-0 | +181551 |
| 14standard | 105 | Matlay, James (1570) | Lost 1-2 | -181533 |
| 15standard | 98 | Drobner, Timo (1582) | Lost 0-2 | -171516 |
| average opponent: 1541record: 8-7 | new rating: 1516 | |||