Beks, Jakob
Current rating: 1418
Record: 2-7
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 809 | Heijmans, Remke (1490) | Lost 0-2 | -171430 |
| 2standard | 907 | Leemans, Kris (1482) | Lost 0-2 | -171413 |
| 3standard | 942 | Leroy, Quentin (1660) | Lost 1-2 | -141399 |
| 4standard | 978 | Amand, Frederic (1444) | Won 2-0 | +191418 |
| average opponent: 1519record: 1-3 | new rating: 1418 | |||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 568 | Brozek, Miroslav (1500) | Won 2-0 | +181518 |
| 2sealed | 587 | Wijker, Joeri (1617) | Lost 1-2 | -161502 |
| 3sealed | 747 | Lamprecht, Benjamin (1523) | Lost 1-2 | -181484 |
| 4sealed | 806 | Pyzio, Radoslaw (1439) | Lost 0-2 | -191465 |
| 5sealed | 819 | Sedlacek, Michael (1463) | Lost 1-2 | -181447 |
| average opponent: 1508record: 1-4 | new rating: 1447 | |||