Lau, Tsz Man
Current rating: 1380
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 472 | Luck, Cody (1397) | Won 2-1 | +181428 |
| 2modern | 166 | Pratt, Rick (1479) | Lost 1-2 | -171411 |
| 3modern | 517 | Guimaraes, Victor (1534) | Lost 0-2 | -161395 |
| 4modern | 560 | Miles, Aaron (1545) | Lost 1-2 | -151380 |
| top | average opponent: 1489record: 1-3 | new rating: 1380 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 5 | Ramstead, Andrew (1500) | Lost 0-2 | -171445 |
| 2standard | 453 | Chiesa, Christopher (1523) | Lost 0-2 | -171428 |
| 3standard | 801 | Peter, Chad (1398) | Lost 1-2 | -181410 |
| top | average opponent: 1474record: 0-3 | new rating: 1410 | ||
| Grand Prix Anaheim 2012 (Innistrad block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 352 | Sanchez, Alexandro (1482) | Won 2-1 | +181518 |
| 3block | 189 | Matos, Daniel (1500) | Lost 0-2 | -191499 |
| 4block | 400 | Nguyen, Henry (1462) | Lost 0-2 | -181481 |
| 5block | 390 | Davidian, Toddeh (1463) | Lost 0-2 | -191462 |
| top | average opponent: 1477record: 1-3 | new rating: 1462 | ||