Welkins, Justin
Current rating: 1461
Record: 3-5
| Grand Prix Detroit 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 117 | Santchi, Colton (1500) | Lost 0-2 | -181482 |
| 2modern | 540 | Mcdonald, Autumn (1363) | Won 0-0 | +161498 |
| 3modern | 423 | Dostine, Joshua (1464) | Won 2-0 | +171515 |
| 4modern | 386 | Desrochers, Joseph (1482) | Lost 0-2 | -181497 |
| 5modern | 391 | Cortina, Austin (1503) | Lost 1-2 | -181479 |
| 6modern | 508 | Carroll, Maya (1465) | Won 2-0 | +171496 |
| 7modern | 360 | Hesse, Jack (1498) | Lost 0-0 | -171479 |
| 8modern | 327 | Cabana, Tyler (1488) | Lost 0-2 | -181461 |
| average opponent: 1470record: 3-5 | new rating: 1461 | |||