Cheng, Sunny
Current rating: 1528
Record: 9-8
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3 | Cole, William (1457) | Lost 0-2 | -191462 |
| 2sealed | 517 | Arnold, Andrew (1595) | Won 2-0 | +211483 |
| 3sealed | 412 | Weaver, Luke (1588) | Won 2-1 | +191502 |
| 4sealed | 447 | Bunn, Caleb (1499) | Won 2-1 | +181520 |
| 5sealed | 128 | Sundstrom, Mark (1520) | Lost 0-2 | -181502 |
| 6sealed | 433 | Henning, Nick (1882) | Lost 1-2 | -111491 |
| 7sealed | 540 | Wolfe, Jeremy (1438) | Won 2-0 | +171508 |
| 8sealed | 313 | Lillibridge, James (1522) | Won 2-0 | +181526 |
| 9sealed | 247 | Isfar, Syed (1665) | Won 2-0 | +211547 |
| 10draft | 843 | Smith, Alexander M (1514) | Lost 1-2 | -191528 |
| 12draft | 646 | Tardif, David (1486) | Won 2-1 | +171545 |
| 13draft | 641 | Meyer, Jonathan (1566) | Lost 0-2 | -171528 |
| average opponent: 1561record: 7-5 | new rating: 1528 | |||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 493 | Lindy, Josh (1500) | Won 2-0 | +181518 |
| 2sealed | 490 | Scott, Cody (1518) | Lost 1-2 | -181500 |
| 3sealed | 540 | Kulikowski, Joseph (1499) | Lost 0-2 | -181482 |
| 4sealed | 708 | Kenney, David (1436) | Won 2-0 | +171499 |
| 5sealed | 631 | O'Donnell, Patrick S (1467) | Lost 0-2 | -181481 |
| average opponent: 1484record: 2-3 | new rating: 1481 | |||