Karel Opocensky
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Reti mem | 06/??/1969 | 0 | Netherlands |
| CSR-ch | ??/??/1965 | 0 | |
| Leipzig Inter 1st | 11/30/1965 | 0 | |
| CSR-ch | ??/??/1962 | 0 |
Most Played Openings as White
| ECO | Opening | Games |
| D30 | Queen's gambit declined | 14 games |
| A45 | Queen's pawn game | 14 games |
| E01 | Catalan, closed | 13 games |
| E17 | Queen's Indian, 5.Bg2 Be7 | 9 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B16 | Caro-Kann, Bronstein-Larsen variation | 17 games |
| B18 | Caro-Kann, classical variation | 11 games |
| A90 | Dutch defence | 10 games |
| B13 | Caro-Kann, exchange variation | 9 games |


Netherlands