Kupferschmied, Denny
Current rating: 1511
Record: 12-11
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 288 | Janssen, Matthias (1538) | Lost 0-2 | -181511 |
| top | record: 0-1 | new rating: 1511 | ||
| Grand Prix Madrid 2010 (legacy) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 734 | Perez, Dario (1533) | Lost 0-2 | -181494 |
| 4legacy | 944 | Garcia, Luis [ESP] (1467) | Won 2-0 | +181512 |
| 5legacy | 884 | Solanas Mena, Alberto (1523) | Won 2-0 | +181530 |
| 6legacy | 803 | Samuelsson, Rickard (1519) | Won 2-1 | +181548 |
| 7legacy | 766 | Sommen, Pierre (1495) | Won 2-0 | +171565 |
| 8legacy | 764 | Laurila, Jesse (1546) | Lost 1-2 | -181547 |
| 9legacy | 813 | Diaz, Pablo (1575) | Lost 0-2 | -181529 |
| top | average opponent: 1522record: 4-3 | new rating: 1529 | ||
| Grand Prix Stuttgart 2007 (LRW limited) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 60 | Stich, Christian (1500) | Won 2-0 | +171570 |
| 2sealed | 37 | Bungard, Oliver (1647) | Lost 0-2 | -171553 |
| 3sealed | 122 | Stoichkov, Kiril (1501) | Lost 0-2 | -191534 |
| 4sealed | 275 | Picciafuochi, Riccardo (1440) | Won 2-0 | +161550 |
| 5sealed | 186 | Charlet, Frederic (1501) | Lost 1-2 | -181532 |
| 6sealed | 221 | Tomiyasu, Yosuke (1444) | Lost 0-2 | -201512 |
| top | average opponent: 1505record: 2-4 | new rating: 1512 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 121 | Gloickler, Christoph (1500) | Lost 0-2 | -181482 |
| 2sealed | 221 | Rochotzki, Dennis (1449) | Lost 1-2 | -191463 |
| 3sealed | 228 | Klebanov, Andrej (1433) | Lost 1-2 | -181445 |
| 4sealed | 240 | Neidler, David (1445) | Won 2-0 | +181463 |
| 5sealed | 204 | Schwing, Bastian (1463) | Won 2-0 | +181481 |
| 6sealed | 157 | Drescher, Tammo (1403) | Won 2-0 | +161497 |
| 7sealed | 113 | Werner, Frank (1519) | Won 2-0 | +191516 |
| 8sealed | 85 | Mallee, Sebastian (1523) | Won 2-0 | +181534 |
| 9sealed | 71 | Soons, Pieter (1572) | Won 2-0 | +191553 |
| top | average opponent: 1479record: 6-3 | new rating: 1553 | ||