Rayson, Mark
Current rating: 1390
| Grand Prix Nottingham 2005 (RAV limited) | starting rating: 1415 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 40 | Tomlinson, Paul (1500) | Won 2-1 | +191434 |
| 2sealed | 67 | Lovett, Nicholas (1517) | Lost 0-2 | -161418 |
| 3sealed | 137 | Felix, Andre (1500) | Won 2-0 | +191437 |
| 4sealed | 158 | Jefferies, Alan (1559) | Lost 1-2 | -161421 |
| 5sealed | 191 | Wollaert, Kjell (1549) | Lost 0-2 | -151406 |
| 6sealed | 168 | Vasic, Zeljko (1511) | Lost 1-2 | -161390 |
| top | average opponent: 1523record: 2-4 | new rating: 1390 | ||
| Grand Prix Birmingham 2004 (DST limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 161 | Bowman, Peter (1500) | Won 2-1 | +191466 |
| 2sealed | 104 | Smith, Andrew [ENG] 2 (1482) | Lost 1-2 | -181448 |
| 3sealed | 147 | Kyriazis, Ioannis (1521) | Lost 0-2 | -161432 |
| 4sealed | 185 | Jin, Chuan (1485) | Lost 0-2 | -171415 |
| top | average opponent: 1497record: 1-3 | new rating: 1415 | ||
| Grand Prix London 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 75 | Le Campion, Marc (1608) | Lost 0-2 | -161484 |
| 3block | 100 | Shallis, Darren (1499) | Draw 1-1 | 01484 |
| 4block | 165 | Faustino, Manuel (1441) | Lost 0-2 | -191465 |
| 5block | 199 | Bori Munoz, Miguel (1449) | Lost 0-2 | -181447 |
| top | average opponent: 1499record: 0-3-1 | new rating: 1447 | ||