Holowachuk, Derek
Current rating: 1484
Record: 3-4-1
| Grand Prix Vancouver 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 338 | Corona, Juan (1500) | Won 2-1 | +181518 |
| 2modern | 122 | Coleman, Zander (1518) | Won 2-1 | +181536 |
| 3modern | 157 | Frank, Matt (1478) | Lost 1-2 | -191517 |
| 4modern | 147 | MacKinnon, Paul (1600) | Lost 0-2 | -171500 |
| 5modern | 347 | Montgomery, Michael (1521) | Won 2-0 | +191519 |
| 6modern | 214 | Paul, Jason [CAN] (1580) | Draw 1-1 | +11520 |
| 7modern | 222 | Weedon, Mark (1487) | Lost 1-2 | -191501 |
| 8modern | 221 | Savvingou-Pangas, Mike (1552) | Lost 0-2 | -171484 |
| average opponent: 1529record: 3-4-1 | new rating: 1484 | |||