Martin, John [ENG]
Current rating: 1532
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 294 | Copland, Phillip (1518) | Won 2-0 | +181546 |
| 3standard | 239 | Wise, James (1611) | Won 2-1 | +191565 |
| 4standard | 4 | Bachaud, Louis (1704) | Lost 1-2 | -151550 |
| 5standard | 120 | Daniel, Ryan (1491) | Won 2-0 | +171567 |
| 6standard | 220 | Staples, James (1631) | Lost 1-2 | -171550 |
| 7standard | 213 | Katz, Dimitri (1552) | Lost 1-2 | -181532 |
| top | average opponent: 1584record: 3-3 | new rating: 1532 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 733 | Woodward, Colin (1433) | Won 2-1 | +151563 |
| 3standard | 788 | Howard, Michael R (1482) | Won 2-0 | +171580 |
| 4standard | 605 | Kane, Christopher (1644) | Lost 1-2 | -171563 |
| 5standard | 751 | Rees, Alastair (1605) | Lost 1-2 | -171546 |
| 6standard | 817 | Lopez, Daniel [ESP] (1575) | Lost 0-2 | -181528 |
| top | average opponent: 1548record: 2-3 | new rating: 1528 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 493 | Bell, Chris (1500) | Won 2-0 | +181518 |
| 2sealed | 69 | Weeda, Chris (1527) | Won 2-1 | +181536 |
| 3sealed | 136 | Ankers, Luke (1536) | Won 2-0 | +181554 |
| 4sealed | 116 | Grayson, Neil (1551) | Won 2-0 | +181572 |
| 5sealed | 28 | Francois, Nathanael (1707) | Won 2-0 | +211593 |
| 6sealed | 17 | Bakkehaug, Christian (1910) | Lost 0-2 | -131580 |
| 7sealed | 92 | Graham, Paul (1686) | Lost 1-2 | -161564 |
| 8sealed | 311 | Bangert, Jan (1646) | Lost 0-2 | -161548 |
| top | average opponent: 1633record: 5-3 | new rating: 1548 | ||