Langer, Boris
Current rating: 1452
Record: 3-6-1
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 73 | Giovannagelo, Christopher (1518) | Lost 1-2 | -171450 |
| 2sealed | 400 | Zahner, Christian H (1482) | Won 2-0 | +181468 |
| 3sealed | 572 | Cooper, Will H (1501) | Lost 0-2 | -171451 |
| 4sealed | 592 | Withella, Hugh (1484) | Won 2-1 | +181469 |
| 5sealed | 521 | Schmittinger, Cody (1498) | Lost 0-2 | -171452 |
| average opponent: 1497record: 2-3 | new rating: 1452 | |||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 45 | Yandell, Chris (1505) | Lost 0-2 | -181482 |
| 2sealed | 9 | Brown, Dylan 2 (1482) | Draw 1-1 | 01482 |
| 3sealed | 363 | Dunst, Jeremiah L (1485) | Won 2-1 | +181500 |
| 4sealed | 304 | Parke, Jamie (1642) | Lost 1-2 | -151485 |
| 5sealed | 356 | Simons, Stephen (1485) | Lost 0-2 | -181467 |
| average opponent: 1520record: 1-3-1 | new rating: 1467 | |||