Zifka, David J
Current rating: 1445
Record: 1-4
| Grand Prix Vancouver 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 195 | Liu, Steven (1525) | Won 2-1 | +181518 |
| 2modern | 73 | Yu, Yonghuan (1493) | Lost 1-2 | -181500 |
| 3modern | 335 | Gao, Ruicheng (1479) | Lost 0-2 | -181482 |
| 4modern | 455 | Kirby, Scott (1428) | Lost 0-2 | -191463 |
| 5modern | 463 | De Lara, Rene (1463) | Lost 0-2 | -181445 |
| average opponent: 1478record: 1-4 | new rating: 1445 | |||