Lopez, Joshua
Current rating: 1505
Record: 14-15
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 43 | Withers, Matthew (1295) | Won 2-1 | +141506 |
| 4modern | 124 | Ng, Derek (1594) | Won 2-0 | +201526 |
| 5modern | 82 | Shen, Max (1548) | Lost 0-2 | -181508 |
| 6modern | 54 | Slone, Ryan (1797) | Won 2-0 | +241532 |
| 7modern | 44 | Pierce, Chuck (1687) | Lost 1-2 | -161516 |
| 8modern | 224 | Herr, Paul (1876) | Lost 0-2 | -111505 |
| top | average opponent: 1633record: 3-3 | new rating: 1505 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 652 | Railo, Clark (1500) | Lost 0-2 | -181492 |
| top | record: 0-1 | new rating: 1492 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 496 | Lizama, Carlos (1474) | Won 2-0 | +181519 |
| 2modern | 318 | Beyea, Sam (1461) | Won 2-0 | +171536 |
| 3modern | 458 | Loster, Joseph (1877) | Won 2-0 | +241560 |
| 4modern | 86 | Hinderaker, Michael (1536) | Won 2-1 | +171577 |
| 5modern | 51 | Herberholz, Mark (1973) | Lost 0-2 | -111566 |
| 6modern | 77 | Hibbard, Dalton (1525) | Lost 1-2 | -191547 |
| 7modern | 272 | Ford, Alexander (1530) | Lost 0-2 | -181529 |
| 8modern | 491 | Chen, Kevin (1474) | Lost 1-2 | -191510 |
| top | average opponent: 1606record: 4-4 | new rating: 1510 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 38 | Vojacek-Sobczak, Sage (1436) | Lost 0-2 | -191462 |
| 2standard | 502 | Prince, Michael (1482) | Won 2-1 | +191481 |
| 3standard | 425 | Sias, Eric (1524) | Won 2-0 | +181499 |
| 4standard | 244 | Casasa, Miguel (1597) | Lost 0-2 | -161483 |
| 5standard | 270 | Condez, Angelo (1499) | Lost 0-2 | -171466 |
| 6standard | 328 | Simpson, Marshall (1477) | Won 2-0 | +181484 |
| 7standard | 286 | Kempf, Casey (1497) | Won 2-1 | +181502 |
| 8standard | 202 | Purugganan, Mark (1441) | Won 2-0 | +171519 |
| 9standard | 137 | Lindemeier, Joel (1546) | Lost 0-2 | -181501 |
| top | average opponent: 1500record: 5-4 | new rating: 1501 | ||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 122 | Murray, Hawkins (1500) | Won 2-1 | +181518 |
| 2standard | 87 | Garcia, Joe s (1518) | Won 2-1 | +181536 |
| 3standard | 109 | Park, Alex L (1484) | Lost 0-2 | -191517 |
| 4standard | 182 | Vadney, Gabriel (1518) | Lost 1-2 | -181499 |
| 5standard | 283 | Vela, Israel (1502) | Lost 1-2 | -181481 |
| top | average opponent: 1504record: 2-3 | new rating: 1481 | ||