Davidoff, Nathan
Current rating: 1450
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 271 | Neal, Dustin (1500) | Won 2-1 | +201451 |
| 2sealed | 4 | Goude, Ryan (1500) | Lost 1-2 | -181433 |
| 3sealed | 466 | Marchand, Christopher (1641) | Lost 1-2 | -141419 |
| 4sealed | 678 | Sneed, Alex (1487) | Won 2-0 | +191438 |
| 5sealed | 553 | Self, Logan (1505) | Won 2-0 | +201458 |
| 6sealed | 431 | Lucy, J. Sawyer (1778) | Lost 0-2 | -131445 |
| 7sealed | 491 | Carter, Allen (1511) | Won 2-0 | +191464 |
| 8sealed | 405 | Roucoulet, Jeffrey (1685) | Lost 0-2 | -141450 |
| top | average opponent: 1576record: 4-4 | new rating: 1450 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 61 | Uong, Michael (1518) | Won 2-0 | +191483 |
| 2modern | 114 | Niyazov, Igor (1636) | Lost 1-2 | -151468 |
| 3modern | 603 | McCloskey, Andrew (1424) | Lost 0-2 | -191449 |
| 4modern | 1046 | Manderino, Christopher (1483) | Won 2-1 | +191468 |
| 5modern | 850 | Greenidge, Jamal (1392) | Lost 1-2 | -191449 |
| 6modern | 819 | Fritts, Spencer (1486) | Lost 1-2 | -181431 |
| top | average opponent: 1490record: 2-4 | new rating: 1431 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1044 | Swaffar, Andy (1500) | Won 2-0 | +181518 |
| 2legacy | 800 | Geringer, Robert (1517) | Lost 1-2 | -181500 |
| 3legacy | 1085 | Metelsky, Tom (1581) | Won 2-1 | +191519 |
| 4legacy | 932 | Jabs, Andrew (1481) | Lost 1-2 | -181501 |
| 5legacy | 1031 | Harris, Rocky (1427) | Lost 0-2 | -201481 |
| 6legacy | 961 | Warburton, James (1536) | Lost 0-2 | -171464 |
| top | average opponent: 1507record: 2-4 | new rating: 1464 | ||