Chang, Dave
Current rating: 1426
Record: 2-6-1
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 126 | LaMonica, Ron (1486) | Draw 1-1 | 01500 |
| 2sealed | 316 | Ngo, Alan (1679) | Won 2-0 | +211521 |
| 3sealed | 292 | Smith, Peter (1566) | Lost 1-2 | -171504 |
| 4sealed | 420 | Campbell, Shawn (1447) | Lost 1-2 | -191485 |
| 5sealed | 512 | Peown, Jason (1481) | Lost 0-2 | -181467 |
| 6sealed | 514 | Wagenhoffer, Thomas (1328) | Lost 0-2 | -211446 |
| 7sealed | 470 | Jackson, Mike (1402) | Lost 1-2 | -191427 |
| 8sealed | 405 | Szymanski, Adrian (1422) | Lost 1-2 | -181409 |
| 9sealed | 338 | Iura, Satoshi (1311) | Won 2-1 | +171426 |
| average opponent: 1458record: 2-6-1 | new rating: 1426 | |||