Chayka, Zachary
Current rating: 1508
Record: 3-3
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 370 | Baker, Mitchel (1500) | Won 2-0 | +181518 |
| 2sealed | 211 | Saxe, Ryan (1640) | Lost 1-2 | -161502 |
| 3sealed | 439 | Osborne, Ryan (1505) | Won 2-0 | +181520 |
| 4sealed | 328 | Vuong, Richie (1654) | Lost 0-2 | -151505 |
| 5sealed | 385 | Carey, Matthew (1503) | Won 2-0 | +181523 |
| 6sealed | 241 | Tilk, Jacob (1682) | Lost 1-2 | -151508 |
| average opponent: 1581record: 3-3 | new rating: 1508 | |||