Masters, John R
Current rating: 1499
Record: 3-3
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 666 | Gibson, Jake (1463) | Lost 0-2 | -191481 |
| 2standard | 943 | Coetsee, Lee (1484) | Lost 1-2 | -181463 |
| 3standard | 1037 | Chatzis, Byron A (1464) | Lost 1-2 | -181445 |
| 4standard | 1060 | Galea, Omar (1399) | Won 2-1 | +181463 |
| 5standard | 1012 | Birmingham, James (1466) | Won 2-1 | +181481 |
| 6standard | 916 | Lihoreau, Ibai (1488) | Won 2-0 | +181499 |
| average opponent: 1461record: 3-3 | new rating: 1499 | |||