Benes, Jan
Current rating: 1398
Record: 3-9
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 528 | Duda, Michal (1500) | Won 2-0 | +191447 |
| 2sealed | 671 | Polak, Robin (1464) | Lost 1-2 | -181429 |
| 3sealed | 717 | Brandt, Felix (1503) | Won 2-0 | +201449 |
| 4sealed | 684 | Janata, Ondrej (1518) | Lost 0-2 | -171432 |
| 5sealed | 681 | Sus, Martin (1461) | Lost 0-2 | -171415 |
| 6sealed | 754 | Kouril, Jan 1582 (1481) | Lost 0-2 | -171398 |
| average opponent: 1488record: 2-4 | new rating: 1398 | |||
| Grand Prix Prague 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 137 | Ceska, Pavel (1502) | Lost 1-2 | -181482 |
| 4sealed | 210 | Muller, Andreas (1466) | Lost 0-2 | -181464 |
| 5sealed | 264 | Anweiler, Stanislaw (1464) | Lost 0-2 | -181446 |
| 6sealed | 242 | Rys, Zdenek (1446) | Won 2-0 | +181464 |
| 7sealed | 210 | Francsics, Gabor (1462) | Lost 0-2 | -181446 |
| 8sealed | 195 | Jerabek, Petr (1448) | Lost 0-2 | -181428 |
| average opponent: 1465record: 1-5 | new rating: 1428 | |||