Lanza, Shaun
Current rating: 1504
Record: 3-3
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 620 | Singer, Sean (1464) | Won 2-1 | +171517 |
| 2sealed | 480 | Seder, Robert (1616) | Lost 0-2 | -161501 |
| 3sealed | 653 | Benoit, Marcel (1500) | Won 2-0 | +181519 |
| 4sealed | 526 | Doran, Shaun (1766) | Won 2-0 | +231542 |
| 5sealed | 504 | Wallace, Jason (1490) | Lost 1-2 | -191523 |
| 6sealed | 581 | Villamizar, Daniel (1472) | Lost 0-2 | -191504 |
| average opponent: 1551record: 3-3 | new rating: 1504 | |||