Himelberg, Robert
Current rating: 1450
Record: 5-8
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 356 | Burgess, Levi (1500) | Lost 0-2 | -181445 |
| 2modern | 750 | Edwards, Matthew (1451) | Won 2-0 | +181463 |
| 3modern | 737 | Jones, Carl (1465) | Lost 1-2 | -181445 |
| 4modern | 836 | Taute, Keanan (1482) | Lost 0-2 | -171428 |
| 5modern | 922 | Miller, Nicholas (1444) | Won 2-1 | +181446 |
| 6modern | 715 | Oleinik, Timothy (1481) | Won 2-1 | +191465 |
| 7modern | 621 | Festini, Mark (1620) | Lost 0-2 | -151450 |
| average opponent: 1492record: 3-4 | new rating: 1450 | |||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 362 | Khan, Mustafa (1426) | Won 2-0 | +171517 |
| 3standard | 15 | Savinelli, K. J. (1491) | Lost 1-2 | -191498 |
| 4standard | 529 | Bush, Jonathan (1525) | Won 2-1 | +191517 |
| 5standard | 271 | Meyer, Shawn (1542) | Lost 1-2 | -181499 |
| 6standard | 296 | Dickman, Jeffery (1445) | Lost 1-2 | -191480 |
| 7standard | 451 | Li, Tan (1503) | Lost 0-2 | -171463 |
| average opponent: 1489record: 2-4 | new rating: 1463 | |||