Bosch, Jeff
Current rating: 1534
Record: 7-5-1
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 119 | Hamman, Kevin (1500) | Draw 1-1 | -11516 |
| 2standard | 303 | Clement, Ryan (1500) | Won 2-0 | +181534 |
| 3standard | 227 | Burrow, Brandon (1518) | Won 2-0 | +181552 |
| 4standard | 108 | Colombo, Jeffery (1534) | Lost 0-2 | -191533 |
| 5standard | 239 | Duran, Miguel (1518) | Won 2-1 | +181551 |
| 6standard | 156 | Salazar Gonzales, Jorge Alberto (1574) | Lost 1-2 | -171534 |
| average opponent: 1524record: 3-2-1 | new rating: 1534 | |||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 160 | Pierce, Stephen (1500) | Lost 0-2 | -181482 |
| 2sealed | 357 | Burns, David (1482) | Won 2-1 | +181500 |
| 3sealed | 346 | Holtz, Katrina (1501) | Won 2-0 | +181518 |
| 4sealed | 157 | Amos, Brad (1491) | Won 2-0 | +181536 |
| 5sealed | 140 | Lucero, Zachary (1519) | Won 2-0 | +171553 |
| 6sealed | 116 | Aten, Sean (1565) | Lost 0-2 | -181535 |
| 7sealed | 185 | Withers, Travis (1494) | Lost 1-2 | -181517 |
| average opponent: 1507record: 4-3 | new rating: 1517 | |||