Maclaren, John
Current rating: 1524
Record: 4-3
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 242 | Sanford, Robert (1500) | Lost 1-2 | -181482 |
| 2standard | 467 | Barnhart, John T (1482) | Won 2-1 | +181500 |
| 3standard | 407 | Ross, Jonathan (1688) | Won 2-1 | +211521 |
| 4standard | 396 | Bartholomew, Jonathan (1448) | Won 2-1 | +171538 |
| 5standard | 226 | Boutin, Nathaniel (1512) | Won 2-1 | +181556 |
| 6standard | 108 | Alesi-Mullen, John (1752) | Lost 0-2 | -151541 |
| 7standard | 214 | Cerino, Matthew (1582) | Lost 0-2 | -171524 |
| average opponent: 1566record: 4-3 | new rating: 1524 | |||