Beattie, Don J
Current rating: 1560
Record: 6-3
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 590 | Silverman, Peter (1500) | Lost 0-2 | -181482 |
| 2sealed | 531 | Konefal, Stephen W (1481) | Won 2-1 | +181500 |
| 3sealed | 488 | Egolf, Marlon (1590) | Won 2-1 | +201520 |
| 4sealed | 352 | Gotfredsen, Anders (1522) | Won 2-1 | +181538 |
| 5sealed | 180 | Lanthier, Dan (1726) | Lost 0-2 | -151523 |
| 6sealed | 310 | Reelitz, Gregory (1594) | Won 2-1 | +191542 |
| 7sealed | 328 | Elliott, Robert S (1539) | Won 2-1 | +181560 |
| 8sealed | 261 | Heitker, Gabe M (1540) | Lost 0-2 | -181542 |
| 9sealed | 244 | Clark, Wayne (1522) | Won 2-1 | +181560 |
| average opponent: 1557record: 6-3 | new rating: 1560 | |||