Witmer, Zach
Current rating: 1467
Record: 3-5
| Grand Prix Toronto 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 208 | Barge, Carter (1518) | Lost 1-2 | -181482 |
| 3modern | 348 | Logan, Chris (1499) | Won 2-0 | +191501 |
| 4modern | 165 | Steele, Thea (1497) | Lost 1-2 | -181483 |
| 5modern | 324 | Querques, Joe (1468) | Won 2-1 | +171500 |
| 6modern | 210 | Locke, Matt (1579) | Lost 0-2 | -161484 |
| 7modern | 272 | Lapsley, Jeff (1500) | Won 2-1 | +181502 |
| 8modern | 182 | Zarichny, Brandon (1495) | Lost 1-2 | -181484 |
| 9modern | 186 | Hubber, Rick (1537) | Lost 1-2 | -171467 |
| average opponent: 1511record: 3-5 | new rating: 1467 | |||