Yolkiewicz, Raymond
Current rating: 1503
Record: 2-2
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 72 | Hollar, Paul (1537) | Lost 1-2 | -171483 |
| 4block | 124 | Neary, Nicholas (1470) | Won 2-0 | +171500 |
| 5block | 108 | Castro, Robert (1565) | Won 2-1 | +201520 |
| 6block | 51 | McGuffin, Max (1586) | Lost 0-2 | -171503 |
| average opponent: 1540record: 2-2 | new rating: 1503 | |||