Blystone, David
Current rating: 1488
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 101 | Geda, Bryce (1520) | Lost 1-2 | -191506 |
| 3standard | 376 | Rubinfeld, Jason (1528) | Lost 0-2 | -171489 |
| 4standard | 603 | Carrig, William (1473) | Won 2-0 | +181507 |
| 5standard | 356 | Greason, Ty (1498) | Lost 1-2 | -191488 |
| top | average opponent: 1505record: 1-3 | new rating: 1488 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 229 | Fitzgerald, Robert J (1500) | Won 2-1 | +191482 |
| 2standard | 40 | Meng, Eric (1508) | Lost 1-2 | -171465 |
| 3standard | 155 | Cieszynski, Eric (1500) | Won 2-1 | +181483 |
| 4standard | 231 | Pawlik, Ryan (1506) | Lost 0-2 | -171466 |
| 5standard | 320 | Kepner, Lance T (1500) | Won 2-0 | +181484 |
| 6standard | 184 | Grudzina, John (1582) | Won 2-0 | +201504 |
| 7standard | 181 | Lantz, Justin (1536) | Won 2-1 | +191523 |
| 8standard | 128 | Meinl, Gary (1593) | Won 2-1 | +191542 |
| 9standard | 70 | Wildes, Chris (1575) | Lost 0-2 | -171525 |
| top | average opponent: 1534record: 6-3 | new rating: 1525 | ||
| Grand Prix Columbus 2007 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 34 | Feigley, Brian (1553) | Lost 0-2 | -171483 |
| 2legacy | 349 | Robek, Bryan (1396) | Lost 1-2 | -201463 |
| 3legacy | 357 | Rust, Aaron (1464) | Won 2-1 | +181481 |
| 4legacy | 334 | Mills, Colin (1482) | Lost 1-2 | -181463 |
| top | average opponent: 1474record: 1-3 | new rating: 1463 | ||