Marlow, Jim
Current rating: 1453
| Grand Prix Barcelona 2011 (MBS standard) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 619 | Ugalde, Dionisio (1636) | Lost 0-2 | -151489 |
| 3standard | 662 | Del Campo Ortiz, David (1500) | Lost 0-2 | -181471 |
| 4standard | 747 | Guzman, Lorenzo (1476) | Lost 0-2 | -181453 |
| top | average opponent: 1537record: 0-3 | new rating: 1453 | ||
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 13 | Fullelove, Matthew (1518) | Lost 0-2 | -181484 |
| 2sealed | 213 | Eardley, William P (1484) | Won 2-0 | +181502 |
| 3sealed | 271 | Van De Griendt, Freek (1497) | Won 2-0 | +181520 |
| 4sealed | 185 | Vincent, Luke (1519) | Won 2-0 | +181538 |
| 5sealed | 119 | Vidugiris, Gaudenis (1753) | Lost 1-2 | -141524 |
| 6sealed | 210 | Devis, Larry (1416) | Lost 0-2 | -201504 |
| top | average opponent: 1531record: 3-3 | new rating: 1504 | ||
| Grand Prix Birmingham 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 60 | Van Doorsselaere, Tom (1490) | Won 2-1 | +181518 |
| 2block | 24 | Klumpp, Berthold (1651) | Won 2-0 | +201538 |
| 3block | 84 | De La Iglesia, David (1557) | Lost 0-2 | -171521 |
| 4block | 164 | Malanaphy, John (1501) | Won 2-1 | +171538 |
| 5block | 44 | Thomas, Adam (1538) | Lost 0-2 | -181520 |
| 6block | 98 | Evans, Michael [ENG] (1519) | Lost 0-0 | -181502 |
| top | average opponent: 1543record: 3-3 | new rating: 1502 | ||