Lopez, Mason
Current rating: 1390
Record: 2-8-3
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 601 | Chen, Yingzhe (1396) | Won 2-0 | +161482 |
| 2modern | 584 | Alvarenga, Gustavo (1481) | Lost 0-2 | -181464 |
| 3modern | 1240 | Ponce, Christian (1502) | Lost 1-2 | -171447 |
| 4modern | 1166 | Slone, Steven (1634) | Lost 0-2 | -151432 |
| 5modern | 1211 | Swales, Wull (1289) | Lost 1-2 | -201412 |
| 6modern | 1217 | McKnight, Kasie (1229) | Lost 1-2 | -221390 |
| average opponent: 1422record: 1-5 | new rating: 1390 | |||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 28 | Hutcherson, Scott (1500) | Draw 1-1 | 01500 |
| 2modern | 525 | Kenney, Jon-Luke (1481) | Draw 1-1 | 01500 |
| 4modern | 703 | Hampton, Patrick (1543) | Lost 0-2 | -181482 |
| 5modern | 843 | Brock, Joshua (1452) | Draw 1-1 | 01482 |
| 6modern | 832 | Blair, Christopher (1482) | Lost 1-2 | -181464 |
| 7modern | 795 | North, Robert (1555) | Lost 0-2 | -161448 |
| 8modern | 694 | Galarza, Christian (1447) | Won 2-0 | +181466 |
| average opponent: 1494record: 1-3-3 | new rating: 1466 | |||