Lewis, Harry
Current rating: 1561
Record: 6-3
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 299 | Roos, Austin (1500) | Lost 0-2 | -181482 |
| 2sealed | 688 | Pottle, Allan (1513) | Lost 0-2 | -171465 |
| 3sealed | 770 | Douston, Matt (1464) | Won 2-0 | +181483 |
| 4sealed | 715 | Stair, Seth (1506) | Won 2-0 | +181501 |
| 5sealed | 649 | Zhang, Stephen (1720) | Won 2-1 | +221523 |
| 6sealed | 446 | Jacques, Mike (1506) | Won 2-0 | +181541 |
| 7sealed | 247 | Seder, Robert (1684) | Won 2-0 | +201561 |
| 8sealed | 219 | Irizarry, Luke (1606) | Lost 0-2 | -171544 |
| 9sealed | 209 | Betschart, Mauro (1501) | Won 2-0 | +171561 |
| average opponent: 1556record: 6-3 | new rating: 1561 | |||