Cheng, Johnny
Current rating: 1621
Record: 24-19-1
| Grand Prix Houston 2018 (RIX limited) | starting rating: 1582 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 76 | Luukkonen, Tim (1500) | Lost 1-2 | -201562 |
| 2sealed | 302 | Leboeuf, Brandon (1483) | Won 2-1 | +171579 |
| 3sealed | 210 | Noffsinger, Nathan (1499) | Won 2-0 | +161595 |
| 4sealed | 213 | Yao, Zile (1804) | Won 2-1 | +221617 |
| 5sealed | 146 | Tyson, Tony (1538) | Won 2-1 | +171634 |
| 6sealed | 95 | Parke, Jamie (1994) | Lost 0-2 | -121622 |
| 7sealed | 135 | Brodie, Daniel (1637) | Won 2-1 | +181640 |
| 8sealed | 127 | Mascari, Jordan (1548) | Lost 0-2 | -191621 |
| top | average opponent: 1625record: 5-3 | new rating: 1621 | ||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 202 | Menser, Jalen (1429) | Won 2-1 | +151583 |
| 2sealed | 121 | Ling, Matthew (1500) | Won 2-0 | +171600 |
| 3sealed | 16 | McAllister, Bob (1656) | Lost 1-2 | -171583 |
| 4sealed | 207 | Sosin, Yale (1517) | Won 2-0 | +161599 |
| 5sealed | 81 | Woodall, Chris (1819) | Lost 0-2 | -141585 |
| 6sealed | 250 | Delano, Jonathan (1612) | Lost 1-2 | -171568 |
| 7sealed | 262 | Cohoon, Marshall (1461) | Won 2-1 | +161584 |
| 8sealed | 221 | Mitchell, Billy (1527) | Won 2-0 | +171601 |
| 9sealed | 163 | Orts, Zachary (1537) | Lost 1-2 | -191582 |
| top | average opponent: 1562record: 5-4 | new rating: 1582 | ||
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 590 | Passaro, Nick (1500) | Won 2-1 | +181568 |
| 2sealed | 139 | Mannino, Ryan (1518) | Won 2-0 | +171585 |
| 3sealed | 74 | Milia, Joseph (1621) | Lost 1-2 | -181567 |
| 4sealed | 411 | Gareau, Philippe (1624) | Lost 1-2 | -171550 |
| 5sealed | 641 | Courtney, Daniel (1473) | Won 2-0 | +171567 |
| 6sealed | 388 | Apicello, Louis (1519) | Won 2-0 | +171584 |
| 7sealed | 293 | Bellak, Justin (1532) | Lost 1-2 | -191565 |
| 8sealed | 269 | Hartbarger, Lance (1749) | Lost 0-0 | -151550 |
| 9sealed | 253 | Middleton, Jack (1507) | Won 2-0 | +181568 |
| top | average opponent: 1560record: 5-4 | new rating: 1568 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 140 | Cloutier, Collin (1500) | Won 2-1 | +181499 |
| 5sealed | 21 | Ben Zaken, Aviad (1593) | Won 2-0 | +201519 |
| 6sealed | 25 | Walker, Noah (1618) | Won 2-0 | +201539 |
| 7sealed | 36 | Maurmeier, Ralph (1538) | Won 2-1 | +181557 |
| 8sealed | 2 | Stern, Jon (1649) | Won 2-1 | +201577 |
| 9sealed | 4 | Headley, David (1654) | Won 2-0 | +191596 |
| 10sealed | 3 | Black, Samuel (1992) | Lost 1-2 | -111585 |
| 11draft | 31 | Noworaj, Andrew (1858) | Draw 1-1 | +51590 |
| 12draft | 116 | Crivello, Andre (1584) | Lost 0-2 | -181572 |
| 13draft | 27 | Black, Samuel (1963) | Won 2-0 | +241596 |
| 14draft | 67 | Nelson, Brandon (1863) | Lost 1-2 | -131583 |
| 15draft | 3 | Asselin, Philippe (1693) | Lost 0-2 | -161567 |
| 16draft | 39 | Giustino, Anthony (1641) | Lost 1-2 | -171550 |
| top | average opponent: 1704record: 7-5-1 | new rating: 1550 | ||
| Grand Prix Houston 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 205 | Pastorinni, Luckas (1447) | Lost 0-2 | -191481 |
| 2extended | 246 | LaBoda, Christian (1482) | Won 2-0 | +181499 |
| 3extended | 155 | Hoffman, Ryan (1499) | Won 2-1 | +181517 |
| 4extended | 168 | Murphy, Kyle (1517) | Lost 1-2 | -181499 |
| 5extended | 231 | Walters, Eric (1500) | Lost 1-2 | -181481 |
| top | average opponent: 1489record: 2-3 | new rating: 1481 | ||