Marriott, Daniel
Current rating: 1512
| Grand Prix London 2013 (GTC limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 585 | Burden, Christopher (1559) | Won 2-1 | +191489 |
| 2sealed | 254 | Whyte, Stuart (1518) | Won 2-0 | +191508 |
| 3sealed | 131 | Bonetti, Marco (1508) | Won 2-0 | +181526 |
| 4sealed | 176 | Depraz, Jean-Emmanuel (1535) | Won 2-0 | +181544 |
| 5sealed | 93 | Esser, Florian (1486) | Won 2-0 | +171561 |
| 6sealed | 57 | Abou Omar, Ashraf (1758) | Lost 0-2 | -141547 |
| 7sealed | 154 | Whitney, Cameron (1522) | Lost 0-2 | -191528 |
| 8sealed | 281 | Poroszkai, Laszlo (1635) | Lost 0-2 | -161512 |
| top | average opponent: 1565record: 5-3 | new rating: 1512 | ||
| Grand Prix Birmingham 2008 (Lorwyn block) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 101 | De Schryver, Jacques (1516) | Lost 1-2 | -181488 |
| 2block | 148 | Black, Dylan (1482) | Lost 1-2 | -181470 |
| 3block | 222 | Humphreys, Chris J (1464) | Won 2-1 | +181488 |
| 4block | 228 | Evans, Michael [ENG] (1483) | Lost 0-2 | -181470 |
| top | average opponent: 1486record: 1-3 | new rating: 1470 | ||
| Grand Prix Cardiff 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 67 | crowley, declan (1500) | Lost 1-2 | -181482 |
| 2sealed | 115 | Groves, David (1485) | Won 0-0 | +181500 |
| 3sealed | 81 | Chapman, Jonny (1668) | Won 2-1 | +211521 |
| 4sealed | 59 | Edbury, Richard (1674) | Lost 1-2 | -151506 |
| top | average opponent: 1582record: 2-2 | new rating: 1506 | ||