Owen, Joshua
Current rating: 1569
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 330 | Garcia, Eduardo (1557) | Won 2-1 | +191544 |
| 2modern | 261 | Bordwell, Christopher (1442) | Won 2-0 | +161560 |
| 3modern | 262 | Wong, Michael 281 (1719) | Lost 0-2 | -151545 |
| 4modern | 244 | Yunker, Christopher (1703) | Lost 1-2 | -151530 |
| 5modern | 412 | Rivera, Robert (1666) | Won 2-1 | +201550 |
| 6modern | 348 | Mosqueda, Daniel (1448) | Won 2-0 | +161566 |
| 7modern | 316 | Samuels, Matt (1568) | Won 2-0 | +181584 |
| 8modern | 210 | Nabi, Basil (1727) | Lost 1-2 | -151569 |
| top | average opponent: 1604record: 5-3 | new rating: 1569 | ||
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 230 | Freitas, Peter (1456) | Won 2-0 | +171525 |
| 2standard | 28 | Britt, Michael (1519) | Lost 0-2 | -181507 |
| 3standard | 296 | Tweedt, Christopher (1500) | Lost 1-2 | -181489 |
| 4standard | 417 | Nagaishi, Bryan (1503) | Won 2-1 | +181507 |
| 5standard | 395 | Bullick, Kathleen (1420) | Won 2-0 | +161523 |
| 6standard | 198 | Nokes, Joseph (1515) | Won 2-0 | +181541 |
| 7standard | 193 | Kim, Austin (1648) | Lost 1-2 | -161525 |
| top | average opponent: 1509record: 4-3 | new rating: 1525 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 586 | Biedenbach, Christopher (1602) | Won 2-0 | +201520 |
| 2modern | 352 | Utley, Andrew (1547) | Won 2-0 | +181538 |
| 3modern | 119 | Cristos, Dustin (1812) | Lost 0-2 | -131525 |
| 4modern | 449 | Chen, John (1515) | Lost 0-2 | -181507 |
| 5modern | 610 | Abel, Gary (1484) | Lost 1-2 | -181489 |
| 6modern | 737 | Kirchberg, Matt (1484) | Won 2-1 | +181507 |
| 7modern | 542 | Svilich, Erik (1593) | Won 2-1 | +191526 |
| 8modern | 472 | MacDonald, Joseph (1510) | Lost 0-2 | -181508 |
| top | average opponent: 1568record: 4-4 | new rating: 1508 | ||