Lawton, John R
Current rating: 1540
Record: 5-3
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 501 | Reynolds, Nicholas (1500) | Won 2-0 | +181518 |
| 2sealed | 587 | Johnson, Case (1462) | Won 2-1 | +171535 |
| 3sealed | 404 | Coval, Brian (1466) | Won 2-0 | +171552 |
| 4sealed | 429 | Lewis, Aaron (1484) | Lost 0-2 | -191533 |
| 5sealed | 541 | Butcher, Christopher (1520) | Won 2-0 | +171550 |
| 6sealed | 438 | Schwarzott, Christopher (1715) | Lost 1-2 | -151535 |
| 7sealed | 506 | Kane, DeWitt (1674) | Won 2-1 | +211556 |
| 8sealed | 446 | Cormier, Francis (1651) | Lost 1-2 | -161540 |
| average opponent: 1559record: 5-3 | new rating: 1540 | |||