Cheung, Sam
Current rating: 1634
Record: 21-15-1
| Grand Prix Bologna 2019 (legacy) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 540 | Merieux, Edouard (1867) | Won 2-1 | +241543 |
| 2legacy | 42 | Boke, Sebastian (1556) | Won 2-0 | +191562 |
| 3legacy | 11 | Tiboni, Luca (1539) | Lost 0-2 | -191543 |
| 4legacy | 434 | Stratil-Sauer, Niko (1585) | Won 2-0 | +191562 |
| 5legacy | 170 | Amato, Emanuele Corrado (1540) | Won 2-0 | +181580 |
| 6legacy | 149 | Di Pietro, Gennaro (1569) | Won 2-1 | +171597 |
| 7legacy | 38 | Baldi, Andrea (1580) | Won 2-1 | +181615 |
| 8legacy | 25 | Trujillo, Esther (1705) | Lost 0-2 | -161599 |
| 9legacy | 343 | Wodenitscharow, Philipp (1533) | Won 2-1 | +161615 |
| 10legacy | 302 | Richter, Pascal (1679) | Lost 1-2 | -161599 |
| 11legacy | 345 | Moulton, George (1560) | Lost 0-2 | -191580 |
| 12legacy | 334 | Puissant, Remi (1666) | Won 2-0 | +191599 |
| 13legacy | 323 | Laurenzi, Alberto (1498) | Won 2-1 | +171616 |
| 14legacy | 303 | Rivara, Clement (1615) | Won 2-0 | +181634 |
| 15legacy | 295 | Belmer, Yann (1838) | ID | 01634 |
| top | average opponent: 1622record: 10-4-1 | new rating: 1634 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 193 | Miyauchi, Kazutoshi (1471) | Won 2-1 | +181489 |
| 2legacy | 206 | Ohasi, Masaki (1469) | Won 2-0 | +181507 |
| 3legacy | 244 | Kobayashi, Tatsuumi (1901) | Won 2-1 | +251532 |
| 4legacy | 18 | Nagai, Mamoru (1706) | Won 2-0 | +211553 |
| 5legacy | 61 | Fukumoto, Tsuyoshi (1638) | Lost 1-2 | -171536 |
| 6legacy | 88 | Nagakita, Makoto (1500) | Won 2-0 | +181554 |
| 7legacy | 65 | Ideue, Yuuki (1578) | Lost 1-2 | -181536 |
| 8legacy | 102 | Omonishi, Kojiro (1597) | Lost 1-2 | -171519 |
| top | average opponent: 1608record: 5-3 | new rating: 1519 | ||
| Grand Prix Hong Kong 2015 (ORI limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 176 | Lin, Gifford (1592) | Draw 1-1 | +31464 |
| 2sealed | 176 | DAI, SIRAN (1501) | Lost 0-2 | -181446 |
| 3sealed | 51 | Loi, Vincent (1412) | Won 2-0 | +181464 |
| 4sealed | 286 | Maurel, Fabien (1521) | Lost 0-2 | -171447 |
| 5sealed | 332 | Lau, Zhao Zhi (1631) | Lost 1-2 | -151432 |
| 6sealed | 328 | You, Hao Quan (1463) | Won 2-0 | +191451 |
| 7sealed | 266 | Chan, Pah Wing (1484) | Won 2-0 | +181469 |
| 8sealed | 206 | Chan, Augustin (1526) | Won 2-1 | +191488 |
| 9sealed | 155 | Tang, Sai Cheong (1541) | Lost 0-2 | -171471 |
| top | average opponent: 1519record: 4-4-1 | new rating: 1471 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 229 | Tan, Guang Liang (1500) | Won 2-0 | +181518 |
| 2sealed | 139 | Domingo, Wilfred Halco (1466) | Lost 1-2 | -191499 |
| 3sealed | 282 | Chiem, So Man (1499) | Won 2-1 | +181517 |
| 4sealed | 161 | Miao, Tong An (1519) | Lost 0-2 | -181499 |
| 5sealed | 332 | Jasmi, Hasry (1395) | Lost 0-2 | -201479 |
| 6sealed | 310 | WONG, LAI MAN (1480) | Lost 0-2 | -181461 |
| top | average opponent: 1477record: 2-4 | new rating: 1461 | ||