Yoblonski, David
Current rating: 1412
Record: 1-6
| Grand Prix Chicago 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 108 | Sparger, Andrew (1501) | Won 2-1 | +181518 |
| 2modern | 198 | Speer, Brendan (1518) | Lost 1-2 | -181500 |
| 3modern | 248 | Morley, Jim (1608) | Lost 0-2 | -161484 |
| 4modern | 501 | Sedwick, Matthew (1484) | Lost 1-2 | -181466 |
| 5modern | 466 | Petit, Derek (1465) | Lost 0-2 | -181448 |
| 6modern | 426 | Frodermann, Andrew (1443) | Lost 1-2 | -181430 |
| 7modern | 377 | Gordon, Gary (1429) | Lost 0-2 | -181412 |
| average opponent: 1492record: 1-6 | new rating: 1412 | |||