Davis, Zachary
Current rating: 1425
| Grand Prix Detroit 2016 (modern) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 483 | Bjerke, James (1541) | Won 2-1 | +201449 |
| 2modern | 5 | Hagen, Hobie (1518) | Lost 0-2 | -161433 |
| 3modern | 731 | Grawbarger, Logan (1500) | Lost 1-2 | -171416 |
| 4modern | 1004 | Langford, David (1482) | Won 2-1 | +191435 |
| 5modern | 881 | Fettig, Audrey (1503) | Won 2-1 | +191454 |
| 6modern | 458 | McFadden, Robert (1641) | Lost 0-2 | -141440 |
| 7modern | 632 | Holland, Patrick (1619) | Lost 1-2 | -151425 |
| top | average opponent: 1544record: 3-4 | new rating: 1425 | ||
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 466 | Antonius, Zac (1500) | Won 2-0 | +191483 |
| 2standard | 206 | Wapinsky, Lucas (1499) | Lost 0-2 | -181465 |
| 3standard | 403 | Cannon, John (1516) | Lost 1-2 | -171448 |
| 4standard | 578 | Garrett, Zachary (1421) | Lost 0-2 | -191429 |
| top | average opponent: 1484record: 1-3 | new rating: 1429 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1261 | Guay, Adam (1500) | Lost 0-2 | -181482 |
| 2modern | 1577 | Oppenheim, Jeremy (1482) | Lost 0-2 | -181464 |
| top | average opponent: 1491record: 0-2 | new rating: 1464 | ||