Costinak, Andrew
Current rating: 1520
Record: 5-4
| Grand Prix Vancouver 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2243 | Bennion, Clay (1500) | Lost 0-2 | -181482 |
| 2modern | 2502 | Monroe, Isaiah (1482) | Lost 0-2 | -181464 |
| 3modern | 2680 | Lawson, Milo (1466) | Lost 1-2 | -181446 |
| 4modern | 2721 | Naswell, Marcus (1448) | Won 2-0 | +181464 |
| 5modern | 2631 | Foley, Cody (1462) | Won 2-1 | +181482 |
| 6modern | 2497 | Esterline, Darrin (1392) | Won 2-0 | +161498 |
| 7modern | 2427 | Carr, Colin (1584) | Won 2-1 | +201518 |
| 8modern | 2303 | Feuerstein, John (1614) | Won 2-1 | +201538 |
| 9modern | 2224 | Nunez, Andres (1533) | Lost 1-2 | -181520 |
| average opponent: 1498record: 5-4 | new rating: 1520 | |||