Tsang, Tony
Current rating: 1369
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 159 | Lewis, Joshua (1466) | Lost 1-2 | -171418 |
| 2standard | 432 | Monastra, Salvatore (1482) | Lost 0-2 | -171401 |
| 3standard | 752 | McCaulley, Daniel (1463) | Lost 0-2 | -171384 |
| 4standard | 73 | Martinez, Aranea (1447) | Won 2-0 | +191403 |
| 5standard | 717 | Garnett, Michael (1427) | Lost 0-2 | -181385 |
| 6standard | 695 | Williams, Justin (1456) | Lost 0-2 | -161369 |
| top | average opponent: 1457record: 1-5 | new rating: 1369 | ||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 321 | Melloh, Jace (1500) | Lost 1-2 | -181446 |
| 2standard | 493 | Landais, Conrad (1481) | Won 2-1 | +191465 |
| 3standard | 696 | Levitan, Jordan (1513) | Won 2-1 | +191484 |
| 4standard | 412 | Pal, Carlos (1654) | Lost 1-2 | -151469 |
| 5standard | 523 | Soto, Joseph (1493) | Lost 0-2 | -181451 |
| 6standard | 664 | Baker, Timothy (1542) | Lost 0-2 | -161435 |
| top | average opponent: 1531record: 2-4 | new rating: 1435 | ||
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 203 | Godfrey, Rob (1448) | Lost 0-2 | -191481 |
| 2sealed | 580 | Hall, Lloyd (1512) | Lost 0-2 | -171464 |
| top | average opponent: 1480record: 0-2 | new rating: 1464 | ||