Grafham, Darren
Current rating: 1624
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 22 | Collins, Jackob (1518) | Won 2-1 | +171613 |
| 3sealed | 26 | Lim, Timothy (1536) | Lost 1-2 | -201593 |
| 4sealed | 148 | Eifler, Timo (1718) | Won 2-0 | +201613 |
| 5sealed | 165 | Kosciolek, Maciej (1532) | Won 2-1 | +171630 |
| 6sealed | 116 | Tawse, Scott (1555) | Lost 0-2 | -191611 |
| 7sealed | 157 | Bainbridge, Simon (1490) | Lost 0-2 | -211590 |
| 8sealed | 157 | Kern, Oliver (1556) | Won 2-0 | +181608 |
| 9sealed | 99 | Brown, David (1528) | Won 2-0 | +161624 |
| top | average opponent: 1554record: 5-3 | new rating: 1624 | ||
| Grand Prix Cardiff 2006 (GPT limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 128 | May, Chris [ENG] (1500) | Won 2-1 | +181522 |
| 2sealed | 67 | Alesinsky, Bakir (1465) | Won 0-0 | +171539 |
| 3sealed | 29 | Buchanan, Andrew (1522) | Draw 1-1 | 01539 |
| 4sealed | 43 | Ronaldson, Ben (1712) | Won 2-0 | +211560 |
| 5sealed | 23 | Sidebottom, David (1557) | Won 2-0 | +181578 |
| 6sealed | 12 | McGovern, Mark (1601) | Draw 1-1 | 01578 |
| 7sealed | 28 | Walters, Jamie (1556) | Won 2-1 | +181596 |
| 8sealed | 17 | Le Campion, Marc (1745) | ID | 01596 |
| top | average opponent: 1582record: 5-0-3 | new rating: 1596 | ||
| Grand Prix London 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 91 | Cordell, Mathew (1536) | Lost 0-2 | -171483 |
| 2block | 211 | Ford, William (1482) | Won 2-0 | +181501 |
| 3block | 149 | Thomsen, Casper (1502) | Won 2-0 | +181519 |
| 4block | 123 | Harle, Thomas (1570) | Won 2-0 | +191538 |
| 5block | 99 | Gemund, Tobias (1526) | Lost 1-2 | -191519 |
| 6block | 118 | Larkin, John (1684) | Lost 1-2 | -151504 |
| top | average opponent: 1550record: 3-3 | new rating: 1504 | ||