Kerr, Martin
Current rating: 1453
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 275 | Madden, Stephen (1735) | Lost 0-2 | -131455 |
| 2sealed | 416 | Todd, Benjamin (1482) | Won 2-1 | +191474 |
| 3sealed | 355 | Hahn, Fabian (1672) | Won 2-0 | +211495 |
| 4sealed | 265 | Liwerski, Rafal (1695) | Lost 1-2 | -141481 |
| 5sealed | 384 | Forbes, Michael (1541) | Lost 0-2 | -171464 |
| 6sealed | 435 | Bonde, Michael (1853) | Lost 0-2 | -111453 |
| top | average opponent: 1663record: 2-4 | new rating: 1453 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 236 | Keating, James (1500) | Lost 0-2 | -171465 |
| 2sealed | 960 | Griffiths, Matt (1517) | Won 2-1 | +191484 |
| 3sealed | 1021 | Griffiths, Wesley (1502) | Won 2-1 | +181502 |
| 4sealed | 471 | Gay, Benjamin (1470) | Lost 1-2 | -191483 |
| 5sealed | 578 | Bruno, Luca (1654) | Lost 1-2 | -151468 |
| top | average opponent: 1529record: 2-3 | new rating: 1468 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 405 | Smith, Kieran (1500) | Lost 0-2 | -181482 |
| 2block | 528 | Till, Martin (1504) | Lost 0-2 | -181464 |
| 3block | 603 | Tucker, Mark (1464) | Lost 1-2 | -181446 |
| 4block | 650 | Akinlade, Steven (1446) | Won 2-0 | +181464 |
| 5block | 540 | Mason, Ross (1462) | Lost 1-2 | -181446 |
| 6block | 529 | Salostejs, Rostislavs (1445) | Won 2-0 | +181464 |
| 7block | 416 | Rickard, Jake (1486) | Lost 1-2 | -171447 |
| 8block | 352 | Swinfield, Philip (1445) | Won 2-1 | +181465 |
| 9block | 265 | Morrissey, Liam (1441) | Won 2-0 | +171482 |
| top | average opponent: 1466record: 4-5 | new rating: 1482 | ||