Sparks, Bob
Current rating: 1520
Record: 4-3
| Grand Prix Atlanta 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 294 | Chastine, Kevin (1552) | Won 2-1 | +191519 |
| 2modern | 304 | Marano, Joseph (1518) | Lost 1-2 | -181501 |
| 3modern | 437 | Olsen, Christopher 0706 (1468) | Won 2-0 | +171518 |
| 4modern | 340 | George, Bradley (1511) | Lost 1-2 | -181500 |
| 5modern | 526 | Cumberledge, Kevin (1502) | Won 2-1 | +181518 |
| 6modern | 456 | Shapiro, Aaron (1586) | Won 2-1 | +191537 |
| 7modern | 235 | Price, David 3513 (1547) | Lost 1-2 | -171520 |
| average opponent: 1526record: 4-3 | new rating: 1520 | |||