Cheng, Long
Current rating: 1548
Record: 10-8
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 22 | Law, Calvin (1500) | Won 2-1 | +171568 |
| 2sealed | 252 | Waite, Charles (1503) | Won 2-0 | +171585 |
| 3sealed | 230 | Zhang, Tony (1554) | Lost 1-2 | -191566 |
| 4sealed | 417 | Godsey, Nathan (1581) | Lost 0-2 | -181548 |
| 5sealed | 478 | Bakkala, Tony (1578) | Won 2-1 | +191567 |
| 6sealed | 480 | Gregg, Brad (1522) | Lost 0-2 | -191548 |
| top | average opponent: 1540record: 3-3 | new rating: 1548 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 178 | Thomas, Cary (1570) | Won 2-0 | +191519 |
| 4sealed | 71 | Moore, Morgan (1556) | Won 2-0 | +191538 |
| 5sealed | 57 | Ramondt, Steven (1668) | Lost 0-2 | -161522 |
| 6sealed | 118 | Mercer, Matthew (1620) | Won 2-0 | +201542 |
| 7sealed | 54 | Chatfield, Lawrence (1564) | Lost 0-2 | -181524 |
| 8sealed | 176 | Bartholow, David (1603) | Lost 0-2 | -161508 |
| 9sealed | 375 | Ha, Nicolas (1608) | Won 2-1 | +201528 |
| 10draft | 180 | Fujita, Toshihide (1584) | Won 2-0 | +191547 |
| 11draft | 108 | Crane, Ward (1624) | Won 2-0 | +191566 |
| 12draft | 223 | Reiss, Ian (1722) | Lost 1-2 | -151551 |
| top | average opponent: 1612record: 6-4 | new rating: 1551 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 306 | Zhu, William (1500) | Lost 0-2 | -181482 |
| 2sealed | 442 | LaFrance, Andrew (1471) | Won 2-0 | +181500 |
| top | average opponent: 1485record: 1-1 | new rating: 1500 | ||