Giessler, Johannes
Current rating: 1482
Record: 5-6-2
| Grand Prix Strasbourg 2013 (legacy) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 299 | Vegh, Tomas (1500) | Draw 1-1 | 01523 |
| 2legacy | 296 | Cote, Flavien (1473) | Lost 0-2 | -191504 |
| 3legacy | 460 | Thunman, Daniel (1448) | Won 0-0 | +171521 |
| 4legacy | 440 | Levet, Damien (1553) | Lost 1-2 | -181503 |
| 5legacy | 528 | Karpinskyy, Borys (1384) | Won 2-0 | +161519 |
| 6legacy | 427 | Knoche, Fabian (1448) | Lost 0-2 | -191500 |
| 7legacy | 428 | Locoge, David (1518) | Lost 0-2 | -181482 |
| average opponent: 1475record: 2-4-1 | new rating: 1482 | |||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 676 | der Kinderen, Eric (1494) | Won 2-0 | +181518 |
| 2legacy | 696 | Vladik, Pavel (1615) | Won 2-1 | +201538 |
| 3legacy | 716 | Landgraf, Svante (1731) | Lost 1-2 | -151523 |
| 4legacy | 813 | Stok, Alex (1586) | Draw 1-1 | +11524 |
| 5legacy | 812 | Shortis, Sean (1471) | Won 2-1 | +171541 |
| 6legacy | 728 | Aman, Mattias S (1535) | Lost 0-2 | -181523 |
| average opponent: 1572record: 3-2-1 | new rating: 1523 | |||