Boydston, David
Current rating: 1502
Record: 4-4-1
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 329 | Parnes, Zachary (1599) | Won 2-0 | +201520 |
| 2standard | 194 | Henberger, Gail (1531) | Lost 0-2 | -181502 |
| 3standard | 489 | Slone, Ryan (1483) | Won 2-0 | +181520 |
| 4standard | 417 | Rovero, Anthony (1517) | Draw 1-1 | 01520 |
| 5standard | 311 | Rezende, Bryan (1517) | Lost 0-2 | -181502 |
| 6standard | 414 | Piles, James (1482) | Won 2-1 | +171519 |
| 7standard | 302 | Carroll, Stewart (1536) | Won 2-0 | +191538 |
| 8standard | 205 | Faircloth, Jonathan (1533) | Lost 1-2 | -191519 |
| 9standard | 222 | Itani, Hiroshi (1540) | Lost 1-2 | -171502 |
| average opponent: 1526record: 4-4-1 | new rating: 1502 | |||