Zheng, Z.
Current rating: 1502
Record: 6-6
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 362 | Rubinstein, Garrett (1405) | Lost 0-2 | -201517 |
| 2sealed | 400 | Frank, Andrew (1596) | Won 0-0 | +191536 |
| 3sealed | 431 | Benderly-Kraft, Sasha (1498) | Lost 0-1 | -181518 |
| 4sealed | 449 | Downing, Bruce (1628) | Lost 1-2 | -161502 |
| average opponent: 1532record: 1-3 | new rating: 1502 | |||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 356 | Lopez, Ernesto (1560) | Won 2-1 | +191519 |
| 2modern | 38 | Hall, Jordan (1479) | Won 2-1 | +171536 |
| 3modern | 13 | Dyer, Greg (1612) | Lost 1-2 | -161520 |
| 4modern | 437 | Kim, William 6413 (1531) | Lost 0-2 | -181502 |
| 5modern | 539 | Turbeville, James (1493) | Won 2-0 | +181520 |
| 6modern | 379 | Sendaydiego, Curt (1362) | Won 2-1 | +151535 |
| 7modern | 197 | Roberts, Kurtis (1660) | Lost 0-2 | -161519 |
| 8modern | 262 | Jacobson, Jed (1524) | Won 2-0 | +181537 |
| average opponent: 1528record: 5-3 | new rating: 1537 | |||