Mclean, William R
Current rating: 1447
Record: 2-5-1
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 42 | Pittenger, Tom (1516) | Lost 0-2 | -181482 |
| 3sealed | 395 | Butler, Nick (1500) | Lost 0-2 | -171465 |
| 4sealed | 386 | Lowe, Michael (1482) | Won 2-0 | +181483 |
| 5sealed | 401 | Fontanos, Joel (1500) | Draw 1-1 | 01483 |
| 6sealed | 341 | Farmer, Tref (1501) | Won 2-1 | +191502 |
| 7sealed | 272 | Warner, Drew M (1548) | Lost 0-2 | -181484 |
| 8sealed | 231 | Vlahovich, Heather J (1451) | Lost 1-2 | -181466 |
| 9sealed | 201 | Dvorshak, Devin (1408) | Lost 0-2 | -191447 |
| average opponent: 1488record: 2-5-1 | new rating: 1447 | |||