Jacobson, Joseph
Current rating: 1423
Record: 0-4
| Grand Prix Louisville 2017 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 469 | Kington, Joe (1500) | Lost 0-2 | -181482 |
| 2legacy | 661 | Rouse, Bobby (1395) | Lost 1-2 | -201462 |
| 3legacy | 985 | Thompson, Curtis (1366) | Lost 1-2 | -191443 |
| 4legacy | 1049 | Battle, Ray (1364) | Lost 0-2 | -201423 |
| average opponent: 1406record: 0-4 | new rating: 1423 | |||