Chen, Joseph
Current rating: 1531
Record: 7-6
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 104 | Hong, Cheng Chun (1500) | Lost 1-2 | -181523 |
| 2standard | 371 | Minnich, Josh (1482) | Won 2-0 | +171540 |
| 3standard | 297 | Shih, Mu Fan (1693) | Won 2-0 | +211561 |
| 4standard | 241 | Hosokawa, Yuya (1951) | Lost 0-2 | -111550 |
| 5standard | 297 | Wong, Ching Kai (1502) | Lost 1-2 | -191531 |
| average opponent: 1626record: 2-3 | new rating: 1531 | |||
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 327 | Hu, Jason (1519) | Lost 0-2 | -181482 |
| 2sealed | 340 | Lyke, Brian (1526) | Won 2-1 | +191501 |
| 3sealed | 370 | Antonovich, Darren (1477) | Won 2-1 | +181519 |
| 4sealed | 161 | Grimes, Sean (1520) | Won 2-0 | +181537 |
| 5sealed | 182 | Lee, Valerian (1667) | Lost 0-2 | -161521 |
| 6sealed | 332 | Winkelbach, Mitchell (1521) | Won 2-1 | +181539 |
| 7sealed | 223 | Zell, Susan (1472) | Won 2-0 | +171556 |
| 8sealed | 173 | Yang, Zizhuang (1756) | Lost 0-2 | -151541 |
| average opponent: 1557record: 5-3 | new rating: 1541 | |||