Jeffries, Jeremiah
Current rating: 1553
Record: 14-13-1
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 200 | Donohue, Maxwell (1500) | Draw 1-1 | -21577 |
| 2pioneer | 209 | Wilkinson, Brian (1500) | Lost 0-2 | -191558 |
| 3pioneer | 402 | Shepard, Michael (1452) | Won 2-0 | +161574 |
| 4pioneer | 327 | King, Travis (1388) | Lost 1-2 | -211553 |
| top | average opponent: 1460record: 1-2-1 | new rating: 1553 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 424 | Pak, Daniel (1500) | Won 2-0 | +171578 |
| 2sealed | 358 | Humphrey, John (1553) | Won 2-1 | +171595 |
| 3sealed | 113 | Davenport, Cameron (1439) | Won 2-0 | +161611 |
| 4sealed | 151 | Cuneo, Andrew (1950) | Lost 0-2 | -121599 |
| 5sealed | 182 | Goldstein, Abram (1530) | Lost 0-2 | -201579 |
| 6sealed | 341 | Merkh, Richard (1538) | Won 2-0 | +181597 |
| 7sealed | 292 | Vandermeyden, Michael (1612) | Lost 0-2 | -181579 |
| top | average opponent: 1589record: 4-3 | new rating: 1579 | ||
| Grand Prix Phoenix 2017 (XLN limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 46 | Rider, Derek (1642) | Won 2-0 | +201525 |
| 2sealed | 127 | Cummings, Matthew (1662) | Won 2-0 | +211546 |
| 3sealed | 227 | Morgan, Ethan (1535) | Won 2-0 | +171563 |
| 4sealed | 96 | Ruby, Mark (1863) | Won 2-1 | +241587 |
| 5sealed | 5 | Nielsen, Simon (2131) | Won 2-1 | +271614 |
| 6sealed | 11 | Kim, Jeremy (1941) | Lost 1-2 | -121602 |
| 7sealed | 103 | Tamblyn, Mitchell (1819) | Lost 0-2 | -151587 |
| 8sealed | 159 | Xu, Jake (1759) | Lost 0-2 | -141573 |
| 9sealed | 140 | McCord, Kristopher (1938) | Lost 1-2 | -121561 |
| top | average opponent: 1810record: 5-4 | new rating: 1561 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 368 | Harrington, Jason (1391) | Won 2-0 | +161516 |
| 2sealed | 2117 | Low, Arthur (1475) | Won 2-1 | +171533 |
| 3sealed | 523 | Giovannetti, Simone (1817) | Won 2-0 | +231556 |
| 4sealed | 261 | Wilkerson, Joseph (1626) | Lost 1-2 | -161540 |
| 5sealed | 228 | Stiarwalt, James (1582) | Lost 1-2 | -181522 |
| 6sealed | 465 | Pieron, Bob (1519) | Won 2-1 | +181540 |
| 7sealed | 321 | Bartels, Colin (1534) | Lost 1-2 | -181522 |
| 8sealed | 409 | Young, Michael M (1551) | Lost 1-2 | -171505 |
| top | average opponent: 1562record: 4-4 | new rating: 1505 | ||