Kaufmann, Joseph
Current rating: 1478
Record: 11-14-1
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 81 | Alvarez, Michael (1500) | Lost 1-2 | -191498 |
| 2legacy | 293 | Browne, Chris (1443) | Won 2-1 | +171515 |
| 3legacy | 354 | De Vera, Brandon (1506) | Lost 1-2 | -181497 |
| 4legacy | 384 | Lee, Nick (1443) | Lost 0-2 | -191478 |
| top | average opponent: 1473record: 1-3 | new rating: 1478 | ||
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 34 | Stott, Neil (1519) | Won 2-0 | +171556 |
| 2modern | 199 | McGuire, Justin (1494) | Lost 1-2 | -191537 |
| 3modern | 310 | Newman, Damien (1499) | Lost 1-2 | -191518 |
| 4modern | 365 | Anderson, Cody (1464) | Won 2-1 | +171535 |
| 5modern | 220 | Campbell, Devin (1500) | Lost 1-2 | -181517 |
| top | average opponent: 1495record: 2-3 | new rating: 1517 | ||
| Grand Prix Minneapolis 2014 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 169 | Grupa, Mark (1518) | Won 2-0 | +191483 |
| 4modern | 176 | Yam, Wing Chun (1812) | Lost 1-2 | -121471 |
| 5modern | 300 | Langenhorst, Nick (1552) | Won 2-0 | +191490 |
| 6modern | 263 | McClenathan, Sean (1689) | Won 2-1 | +221512 |
| 7modern | 200 | Denner, Matthew (1652) | Won 2-0 | +201532 |
| 8modern | 144 | Vosmik, Christopher (1470) | Won 2-0 | +171549 |
| 9modern | 131 | Corvese, Harry (1837) | Lost 1-2 | -131536 |
| 10modern | 185 | Rietzl, Paul (1945) | Draw 1-1 | +71543 |
| 11modern | 157 | Thompson, Troy (1686) | Won 2-0 | +211564 |
| 12modern | 136 | Bogucki, Woodrow (1689) | Lost 1-2 | -161548 |
| 13modern | 156 | Marmulstein, Rion (1749) | Lost 1-2 | -141534 |
| 14modern | 167 | Khare, Anand (1790) | Lost 0-2 | -141520 |
| 15modern | 174 | Jacob, Devin (1533) | Won 2-0 | +191539 |
| top | average opponent: 1686record: 7-5-1 | new rating: 1539 | ||
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 113 | Montgomery, Mike C (1500) | Won 2-1 | +181518 |
| 2sealed | 60 | Kwan, Lung (1555) | Lost 1-2 | -171501 |
| 3sealed | 207 | Anderson, Marc (1456) | Lost 1-2 | -191482 |
| 4sealed | 280 | Miller, Timothy S (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1498record: 1-3 | new rating: 1464 | ||