Marshall, James
Current rating: 1526
Record: 8-7-1
| Grand Prix London 2013 (GTC limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 457 | Tinsley, Richard (1467) | Won 2-1 | +171535 |
| 2sealed | 8 | Uy, Kris Daphne (1518) | Won 2-0 | +181553 |
| 3sealed | 118 | Rutar, Andrej (1917) | Lost 1-2 | -121541 |
| 4sealed | 518 | Fienbork, Fabian (1585) | Won 2-0 | +191560 |
| 5sealed | 228 | Pereira, Mario (1464) | Lost 1-2 | -201540 |
| 6sealed | 347 | Sivo, Tomas (1625) | Lost 1-2 | -161524 |
| 7sealed | 549 | Ciechowicz, Rafal (1471) | Lost 0-2 | -191505 |
| 8sealed | 481 | Fior, Daniel (1696) | Won 2-1 | +211526 |
| average opponent: 1593record: 4-4 | new rating: 1526 | |||
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 430 | Tan, Ronnie (1421) | Draw 1-1 | -11499 |
| 3sealed | 491 | Tuduri, Ricard (1746) | Lost 0-2 | -141485 |
| 4sealed | 425 | Taylor, Charlie (1336) | Won 2-0 | +151500 |
| 5sealed | 532 | Paiste, Paarn (1560) | Won 2-1 | +191519 |
| 6sealed | 489 | McAleer, Stephen (1468) | Lost 0-2 | -191500 |
| 7sealed | 527 | Sarioglu, Sami (1293) | Won 2-0 | +151515 |
| 8sealed | 489 | Peter, Michael (1678) | Lost 0-2 | -151500 |
| 9sealed | 617 | Ridley, Adam (1523) | Won 2-1 | +181518 |
| average opponent: 1503record: 4-3-1 | new rating: 1518 | |||