Marlowe, Will S
Current rating: 1564
Record: 6-3
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 119 | Warren, Douglas (1500) | Won 2-0 | +181518 |
| 2sealed | 45 | Gregg, Tony E (1549) | Lost 1-2 | -171501 |
| 3sealed | 265 | Peterson, Joe M (1500) | Lost 0-2 | -181483 |
| 4sealed | 280 | Forbes, Jason (1481) | Won 2-0 | +181501 |
| 5sealed | 172 | Da Rocha, Christopher (1517) | Won 2-1 | +181519 |
| 6sealed | 163 | Scott-Vargas, Luis (2175) | Lost 0-2 | -81511 |
| 7sealed | 158 | Bower, Seth (1505) | Won 2-0 | +181529 |
| 8sealed | 112 | Rogers, Chris C (1495) | Won 2-1 | +181547 |
| 9sealed | 84 | Huberty, Henry (1521) | Won 2-0 | +171564 |
| average opponent: 1583record: 6-3 | new rating: 1564 | |||