Leffler, Devan
Current rating: 1469
Record: 3-5
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 327 | Paugh, Jacob (1500) | Won 2-1 | +181518 |
| 2standard | 254 | Paxhia, Peter (1519) | Won 2-1 | +181536 |
| 3standard | 161 | Johnson, Marion (1500) | Won 2-0 | +171553 |
| 4standard | 9 | Huang, Ray (1954) | Lost 1-2 | -111542 |
| 5standard | 197 | White, Eli (1479) | Lost 1-2 | -191523 |
| 6standard | 360 | Blackman, Brett (1777) | Lost 0-2 | -131510 |
| 7standard | 542 | Ruiz, Matthew (1308) | Lost 0-2 | -221488 |
| 8standard | 501 | Hartless, Dylan (1416) | Lost 0-2 | -191469 |
| average opponent: 1557record: 3-5 | new rating: 1469 | |||