Sparks, Dennis
Current rating: 1397
Record: 5-11
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 191 | Robinson, Austin (1525) | Won 2-0 | +191464 |
| 2standard | 253 | Veasey, Stephen (1518) | Lost 0-2 | -171447 |
| 3standard | 471 | Kline, Chris (1434) | Lost 1-2 | -181429 |
| 4standard | 588 | Quinn, Travis (1481) | Lost 0-2 | -171412 |
| 5standard | 589 | Harris, Jason (1374) | Won 2-0 | +171429 |
| 6standard | 477 | Paskuly, Mark (1507) | Lost 0-2 | -161413 |
| 7standard | 473 | Vinci, William (1438) | Lost 0-2 | -181395 |
| 8standard | 435 | Chandler, Marcus (1446) | Lost 1-2 | -171378 |
| 9standard | 384 | Lockridge, Leona (1430) | Won 2-1 | +191397 |
| average opponent: 1461record: 3-6 | new rating: 1397 | |||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 199 | Pratte, Stephen (1500) | Won 2-0 | +181518 |
| 2modern | 341 | Fischer, Joseph (1452) | Lost 1-2 | -191499 |
| 3modern | 747 | Watson, Cas (1524) | Lost 1-2 | -181481 |
| 4modern | 983 | Freeman, Nate (1483) | Lost 0-2 | -181463 |
| 5modern | 1108 | Blackman-Mathis, David (1451) | Won 2-1 | +181481 |
| 6modern | 806 | Burdett, Justin (1411) | Lost 0-2 | -191462 |
| 7modern | 758 | Hersch, Max (1511) | Lost 0-2 | -171445 |
| average opponent: 1476record: 2-5 | new rating: 1445 | |||