Knowles, Douglas
Current rating: 1593
Record: 8-5
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 260 | McMann, Joel (1521) | Won 2-0 | +181518 |
| 4modern | 250 | Martell, Tom (1998) | Won 2-1 | +271545 |
| 5modern | 76 | Harabas, Chris (1617) | Won 2-0 | +191564 |
| 6modern | 49 | Cuneo, Andrew (2020) | Lost 0-2 | -101554 |
| 7modern | 132 | DeMars, Brian (1979) | Lost 0-2 | -111543 |
| 8modern | 261 | Tardif, David (1504) | Won 2-1 | +171560 |
| 9modern | 140 | Aintrazi, Ali (1767) | Won 2-1 | +221582 |
| 10modern | 73 | Harrell, Chase (1617) | Won 2-1 | +191601 |
| 11modern | 72 | Pepin, Alain (1706) | Won 2-0 | +191620 |
| 12modern | 53 | Schick, Mike (1564) | Lost 0-2 | -191601 |
| 13modern | 46 | Stillwagon, Todd (1610) | Lost 0-2 | -171584 |
| 14modern | 83 | Clawson, Brent (1862) | Lost 1-2 | -131571 |
| 15modern | 92 | Curran, Riley (1814) | Won 2-1 | +221593 |
| average opponent: 1737record: 8-5 | new rating: 1593 | |||