Tucker, Mark
Current rating: 1444
| Grand Prix London 2015 (ORI standard) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 783 | Climpson, James (1500) | Won 2-1 | +191466 |
| 2standard | 809 | Nuri, Muhd (1552) | Lost 1-2 | -171449 |
| 3standard | 958 | Harvey, Les (1500) | Won 2-0 | +191468 |
| 4standard | 903 | Brendemuhl, Bernd (1679) | Lost 1-2 | -141454 |
| 5standard | 860 | Young, Benjamin M (1467) | Won 2-0 | +181472 |
| 6standard | 808 | Robertson, Matt (1534) | Lost 1-2 | -171455 |
| 7standard | 671 | Gustafsson, Sverker (1510) | Lost 1-2 | -171438 |
| 8standard | 621 | Kolp, Heiner (1759) | Won 2-0 | +241462 |
| 9standard | 420 | McNally, Graham (1471) | Lost 1-2 | -181444 |
| top | average opponent: 1552record: 4-5 | new rating: 1444 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 390 | Madgin, David (1464) | Lost 1-2 | -181445 |
| 2sealed | 601 | Sailes, Mark (1440) | Lost 1-2 | -181427 |
| 3sealed | 747 | Tunwell, Chris (1462) | Won 2-1 | +181445 |
| 4sealed | 607 | Gladders, Keith (1484) | Won 2-0 | +191464 |
| 5sealed | 427 | Duff, Craig (1505) | Lost 0-2 | -171447 |
| top | average opponent: 1471record: 2-3 | new rating: 1447 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 271 | Render, Patrick (1500) | Lost 0-2 | -181482 |
| 2block | 569 | Garner, Jade (1482) | Lost 1-2 | -181464 |
| 3block | 603 | Kerr, Martin (1464) | Won 2-1 | +181482 |
| 4block | 518 | St. Hilaire Knowles, Xavier (1482) | Won 2-1 | +181500 |
| 5block | 354 | Mcnama, Conor (1500) | Lost 0-2 | -181482 |
| 6block | 418 | Jones, Michael [ENG] (1407) | Lost 0-2 | -191463 |
| top | average opponent: 1473record: 2-4 | new rating: 1463 | ||