Harris, Robert
Current rating: 1470
Record: 6-8
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 126 | Mendoza, Alexander (1500) | Lost 1-2 | -171446 |
| 2modern | 795 | Stalnaker, Hurley (1481) | Won 2-1 | +191465 |
| 3modern | 699 | Quimby, Joshua (1448) | Won 2-1 | +171482 |
| 4modern | 245 | Mattingly, Jim (1612) | Won 2-0 | +211503 |
| 5modern | 380 | Doan, Ryan (1436) | Lost 1-2 | -201483 |
| 6modern | 447 | Brak, Brak (1526) | Lost 0-2 | -171466 |
| 7modern | 538 | Orrmons, Kale (1539) | Won 2-0 | +201486 |
| 8modern | 511 | Ambler, Kevin (1644) | Lost 0-2 | -161470 |
| average opponent: 1523record: 4-4 | new rating: 1470 | |||
| Grand Prix Detroit 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 67 | Sparkman, Dillon (1500) | Won 2-1 | +181518 |
| 2modern | 52 | Stevens, Christopher (1518) | Lost 0-0 | -181500 |
| 3modern | 462 | Wayne, Michael (1524) | Lost 1-2 | -181482 |
| 4modern | 649 | Thompson, David (1450) | Won 2-1 | +181500 |
| 5modern | 477 | Williams, Matthew (1502) | Lost 0-2 | -181482 |
| 6modern | 472 | Czinder, Chris (1447) | Lost 1-2 | -191463 |
| average opponent: 1490record: 2-4 | new rating: 1463 | |||