Marshall-Unitt, Simon
Current rating: 1615
| Grand Prix Birmingham 2004 (DST limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 14 | Veeneman, Chris (1588) | Won 2-1 | +191578 |
| 4sealed | 54 | Cleary, Jamie (1460) | Won 2-1 | +161594 |
| 5sealed | 21 | Chapman, Jonny (1673) | Lost 1-2 | -171577 |
| 6sealed | 57 | Solaja, Ivan (1607) | Draw 1-1 | +11578 |
| 7sealed | 47 | King, James G (1553) | Won 2-0 | +171595 |
| 8sealed | 26 | Stevenson, Craig (1678) | Won 2-0 | +201615 |
| top | average opponent: 1593record: 4-1-1 | new rating: 1615 | ||
| Grand Prix Munich 2003 (MRD limited) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 46 | Herold, Jim (1763) | Won 2-0 | +221580 |
| 4sealed | 4 | Dabkowski, Mateusz (1431) | Lost 0-2 | -211559 |
| top | average opponent: 1597record: 1-1 | new rating: 1559 | ||
| Grand Prix London 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 212 | McRandal, Gregory (1500) | Won 2-0 | +181518 |
| 2block | 40 | McClare, Alastair (1518) | Lost 1-2 | -181500 |
| 3block | 210 | Creedy, Paul (1516) | Won 2-0 | +181518 |
| 4block | 97 | Chanioux, Pierre (1500) | Won 2-0 | +181536 |
| 5block | 51 | Le Meur, Remi (1557) | Won 2-0 | +181554 |
| 6block | 48 | Taylor, Graeme (1516) | Won 2-0 | +181572 |
| 7block | 15 | Courtois, Frederic (1832) | Lost 0-2 | -141558 |
| top | average opponent: 1563record: 5-2 | new rating: 1558 | ||