Martinez, Joseph
Current rating: 1435
Record: 4-8
| Grand Prix Portland 2018 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 83 | Slutsky, Simon (1679) | Won 2-0 | +211485 |
| 2modern | 214 | Borthwick, Noah (1627) | Lost 0-2 | -151470 |
| 3modern | 461 | Bissonette, Alex (1482) | Lost 0-2 | -181452 |
| 4modern | 697 | Iwamoto, Ryan (1485) | Lost 0-2 | -171435 |
| average opponent: 1568record: 1-3 | new rating: 1435 | |||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 343 | Robinson, George (1569) | Won 2-0 | +191519 |
| 2standard | 204 | Caron, William (1508) | Lost 1-2 | -181501 |
| 3standard | 370 | Puertas, Andres (1499) | Won 2-0 | +181519 |
| 4standard | 278 | Gannan, Zach (1461) | Won 2-0 | +171536 |
| 5standard | 102 | Stott, Neil (1535) | Lost 1-2 | -181518 |
| 6standard | 248 | Carrico, Ian (1517) | Lost 1-2 | -181500 |
| 7standard | 363 | LaMunyon, Josh (1524) | Lost 1-2 | -181482 |
| 8standard | 349 | Martin, Chazi (1437) | Lost 0-2 | -181464 |
| average opponent: 1506record: 3-5 | new rating: 1464 | |||