Okkema, Zach
Current rating: 1447
Record: 1-4
| Grand Prix Toronto 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 126 | Luk, Andrew (1573) | Lost 1-2 | -171483 |
| 2modern | 281 | Keller, Christian (1513) | Won 2-1 | +191502 |
| 3modern | 213 | Allinson, Chris (1500) | Lost 0-2 | -181484 |
| 4modern | 370 | Pirone, Nicholas (1482) | Lost 1-2 | -181466 |
| 5modern | 415 | Vasil, Jeremy (1431) | Lost 0-2 | -191447 |
| average opponent: 1500record: 1-4 | new rating: 1447 | |||