Marquez, Shane
Current rating: 1436
Record: 4-8
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 39 | Jojola, Joey (1567) | Lost 0-2 | -161436 |
| 2modern | 517 | Von Euw, Michael (1367) | Won 2-1 | +161452 |
| 3modern | 530 | Wojciak, Andrew (1534) | Lost 1-2 | -161436 |
| 4modern | 532 | Silver, Daniel (1510) | Won 2-0 | +191455 |
| 5modern | 392 | Baum, Jacob (1396) | Lost 1-2 | -191436 |
| top | average opponent: 1475record: 2-3 | new rating: 1436 | ||
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 302 | Norte, Alain (1500) | Won 2-0 | +191482 |
| 2standard | 153 | Fairbanks, Robert (1678) | Lost 0-2 | -141468 |
| 3standard | 407 | Todd, Joshua (1544) | Won 2-0 | +191487 |
| 4standard | 193 | Flores, Carlo (1515) | Lost 1-2 | -171470 |
| 5standard | 364 | Ramirez, Jose 297 (1474) | Lost 1-2 | -181452 |
| top | average opponent: 1542record: 2-3 | new rating: 1452 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 782 | Arcia, Rex (1471) | Lost 1-2 | -191481 |
| 2modern | 794 | Kowitz, Brenton (1482) | Lost 0-2 | -181463 |
| top | average opponent: 1476record: 0-2 | new rating: 1463 | ||