Klumpp, Benjamin
Current rating: 1559
Record: 9-6
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 473 | Mahoney, Christopher (1482) | Won 2-1 | +171556 |
| 2sealed | 241 | Crumpler, Ken (1429) | Won 2-1 | +161572 |
| 3sealed | 111 | Balog, George (1725) | Won 2-0 | +211593 |
| 4sealed | 105 | DeMarino, Matt (1367) | Won 2-1 | +141607 |
| 5sealed | 80 | Nguyen, Thien (1669) | Lost 0-2 | -171590 |
| 6sealed | 69 | Berrios, Stephen (1980) | Lost 1-2 | -111579 |
| 7sealed | 202 | Cuttler, William (1497) | Lost 1-2 | -201559 |
| average opponent: 1593record: 4-3 | new rating: 1559 | |||
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 289 | Kesselman, Matthew (1500) | Won 2-1 | +181518 |
| 2sealed | 107 | Prosak, Doug (1511) | Won 2-1 | +181536 |
| 3sealed | 228 | Predescu, Sebastian (1533) | Won 2-1 | +181554 |
| 4sealed | 73 | Cheung, Raymond (1546) | Lost 1-2 | -181536 |
| 5sealed | 298 | McCann, Sean (1538) | Won 2-0 | +181554 |
| 6sealed | 156 | Magalhaes, Edgar (1681) | Lost 0-2 | -161538 |
| 7sealed | 340 | Broer, Paul (1560) | Won 2-1 | +181556 |
| 8sealed | 95 | van Driel, Boaz (1604) | Lost 0-0 | -171539 |
| average opponent: 1559record: 5-3 | new rating: 1539 | |||