O'Keefe, Mark
Current rating: 1425
Record: 0-4
| Grand Prix Vancouver 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2254 | Adair, Adam (1443) | Lost 0-2 | -191481 |
| 2modern | 2497 | Tielmann, Ryan (1465) | Lost 0-2 | -181463 |
| 3modern | 2696 | Wedge, Nicholas (1462) | Lost 0-2 | -181445 |
| 4modern | 2698 | Schmitke, Timothy (1376) | Lost 0-2 | -201425 |
| average opponent: 1437record: 0-4 | new rating: 1425 | |||