Melvin, David F
Current rating: 1558
Record: 6-3
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 474 | Lynch, Robert (1500) | Won 2-0 | +181518 |
| 2sealed | 5 | Freedman, Kevin (1481) | Won 2-0 | +171535 |
| 3sealed | 160 | Guevara, Franz (1502) | Lost 0-2 | -181517 |
| 4sealed | 558 | Williams, Ian (1490) | Won 2-1 | +171534 |
| 5sealed | 135 | Reelitz, Gregory (1613) | Won 2-0 | +201554 |
| 6sealed | 260 | Ottaway, Sean (1520) | Won 2-1 | +171571 |
| 7sealed | 143 | Winter, Jonathan (1664) | Lost 0-2 | -161555 |
| 8sealed | 176 | Grourke, Vincent (1565) | Won 2-0 | +181573 |
| 9sealed | 76 | Sandler, Josh (1767) | Lost 1-2 | -151558 |
| average opponent: 1567record: 6-3 | new rating: 1558 | |||