Hahn, Bjoern
Current rating: 1404
Record: 4-10
| Grand Prix Lille 2015 (legacy) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 526 | Benkstein, Christoph (1500) | Lost 0-2 | -181438 |
| 2legacy | 591 | van Mastrigt, Aart A (1483) | Lost 0-2 | -171421 |
| 3legacy | 728 | Tecchio, Samuele (1483) | Lost 0-2 | -171404 |
| top | average opponent: 1488record: 0-3 | new rating: 1404 | ||
| Grand Prix Stockholm 2014 (KTK standard) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 57 | Halldorsson, Almar (1541) | Lost 0-2 | -171472 |
| 2standard | 57 | Backeman, Peter (1565) | Lost 0-2 | -161456 |
| top | average opponent: 1553record: 0-2 | new rating: 1456 | ||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 168 | Eckstein, Matthias (1500) | Won 2-0 | +191484 |
| 2standard | 162 | Boehm, Thomas (1518) | Won 2-1 | +191503 |
| 3standard | 54 | Weinzierl, Vincent (1543) | Lost 0-2 | -181485 |
| 4standard | 149 | Thoms, David (1519) | Won 2-0 | +191504 |
| 5standard | 147 | Offermann, Lars (1537) | Won 2-1 | +191523 |
| 6standard | 83 | Tapody, Zoltan Istvan (1658) | Lost 0-2 | -161507 |
| 7standard | 168 | Wilks, John-Joseph (1501) | Lost 0-2 | -181489 |
| top | average opponent: 1539record: 4-3 | new rating: 1489 | ||
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 443 | Farace, Riccardo (1450) | Lost 0-2 | -191481 |
| 5sealed | 511 | Schoenberger, Dennis (1603) | Lost 0-2 | -161465 |
| top | average opponent: 1527record: 0-2 | new rating: 1465 | ||