Helbert, Brandon
Current rating: 1379
| Grand Prix Charlotte 2016 (modern) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 299 | Anderson, Marc (1487) | Lost 0-2 | -171412 |
| 2modern | 624 | Brown, Grady (1463) | Lost 0-2 | -171395 |
| 3modern | 1048 | Moore, Michael (1406) | Draw 1-1 | 01395 |
| 4modern | 968 | Best, Jesse (1508) | Lost 0-2 | -161379 |
| top | average opponent: 1466record: 0-3-1 | new rating: 1379 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 746 | Capra, Adam (1500) | Draw 1-1 | 01481 |
| 2modern | 921 | Barlow, Jordan (1519) | Lost 0-2 | -171464 |
| 3modern | 1074 | McCoy, Jeremy (1497) | Draw 1-1 | +11465 |
| 4modern | 1113 | Aldinger, Justin (1481) | Lost 0-2 | -181447 |
| 5modern | 1031 | Mills, Hunter B (1465) | Lost 1-2 | -181429 |
| top | average opponent: 1493record: 0-3-2 | new rating: 1429 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 160 | Smith, Dane (1474) | Lost 0-2 | -181482 |
| 2modern | 412 | Harter, Kevin (1406) | Lost 0-2 | -201462 |
| 3modern | 554 | Pettit, Greg (1463) | Won 2-1 | +181480 |
| 4modern | 416 | Boccio, Benjamin (1523) | Lost 1-2 | -171463 |
| 5modern | 474 | Cook, Dane (1462) | Won 2-0 | +181481 |
| top | average opponent: 1465record: 2-3 | new rating: 1481 | ||