Zach, Samuel
Current rating: 1510
Record: 3-3
| Grand Prix Lyon 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 301 | Rossmann, Juris (1515) | Lost 1-2 | -181482 |
| 2sealed | 556 | Trombi, Matteo (1486) | Won 2-1 | +181500 |
| 3sealed | 666 | Gollor, Marcus (1455) | Won 2-1 | +181518 |
| 4sealed | 285 | Creiche, Selim (1714) | Won 2-1 | +211539 |
| 5sealed | 262 | Kyriazis, Ioannis (1700) | Lost 0-2 | -151524 |
| 6sealed | 425 | Ronchi, Federico (1764) | Lost 1-2 | -141510 |
| average opponent: 1605record: 3-3 | new rating: 1510 | |||