Pitman, David
Current rating: 1434
Record: 4-8
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 163 | Hawkins, Cody (1473) | Lost 0-2 | -181447 |
| 2pioneer | 280 | Kim, Justen (1530) | Won 2-1 | +201467 |
| 3pioneer | 369 | Locker, Jeremy (1438) | Lost 0-2 | -191448 |
| 4pioneer | 387 | Alvarado, Christopher (1482) | Won 2-0 | +191467 |
| 5pioneer | 230 | Diaz, Erin (1557) | Lost 0-2 | -161451 |
| 6pioneer | 316 | Nemeth, Mark (1536) | Lost 1-2 | -171434 |
| average opponent: 1503record: 2-4 | new rating: 1434 | |||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 217 | Gaxiola, Joshua (1500) | Won 2-0 | +181518 |
| 3standard | 104 | Fernandes, Paulo (1491) | Lost 1-2 | -181500 |
| 4standard | 220 | Larson, Ryan (1517) | Lost 1-2 | -181482 |
| 5standard | 337 | Fillmore, J (1519) | Won 2-0 | +191501 |
| 6standard | 317 | Hranac, Derik L (1518) | Lost 1-2 | -181483 |
| 7standard | 268 | Sharer, Miles (1501) | Lost 0-2 | -181465 |
| average opponent: 1508record: 2-4 | new rating: 1465 | |||