Xu, Mark
Current rating: 1449
Record: 5-8
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 682 | Sauceda, Daniel (1500) | Lost 0-2 | -181445 |
| 2modern | 777 | Valdes, Joshua (1460) | Lost 1-2 | -171428 |
| 3modern | 1441 | Yin, Philip (1390) | Won 2-0 | +171445 |
| 4modern | 1363 | Core, Arden (1478) | Won 2-0 | +191464 |
| 5modern | 796 | Cordova, Dana (1449) | Lost 1-2 | -191445 |
| 6modern | 1065 | Delahanty, Curran (1600) | Lost 0-2 | -151430 |
| 7modern | 1071 | Ballo, Evan (1460) | Won 2-1 | +191449 |
| 8modern | 886 | Blight, Nicholas (1487) | Lost 1-2 | -181431 |
| 9modern | 743 | Freeland, Will (1434) | Won 2-0 | +181449 |
| average opponent: 1473record: 4-5 | new rating: 1449 | |||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 922 | Lee, Daniel (1486) | Lost 1-2 | -181482 |
| 2sealed | 1043 | Bartolome, Joseph (1498) | Lost 0-2 | -181464 |
| 3sealed | 1339 | Zhou, Charles (1463) | Won 2-1 | +181482 |
| 4sealed | 1285 | Dailey, Bryson (1410) | Lost 0-2 | -191463 |
| average opponent: 1464record: 1-3 | new rating: 1463 | |||