Helman, David
Current rating: 1482
Record: 3-4
| Grand Prix Detroit 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 29 | Brown, Jr (1500) | Lost 1-2 | -181482 |
| 2modern | 452 | Seckel, Matthew (1484) | Lost 0-0 | -181464 |
| 3modern | 596 | McKenney, Ethan (1466) | Won 2-0 | +181482 |
| 4modern | 542 | Uebbing, Randall (1482) | Won 2-0 | +181500 |
| 5modern | 426 | Schenkel, Alex (1500) | Lost 0-2 | -181482 |
| 6modern | 518 | Schenkel, David (1480) | Won 2-0 | +181500 |
| 7modern | 373 | Dunn, Brian (1506) | Lost 0-0 | -181482 |
| average opponent: 1488record: 3-4 | new rating: 1482 | |||