Leo Willems
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| WchT U26 11th fin-B | 07/18/1964 | 0 | Poland |
| WchT U26 11th qual-F | 07/18/1964 | 0 | Poland |
Most Played Openings as White
| ECO | Opening | Games |
| B21 | Sicilian, Grand Prix attack | 2 games |
| C32 | King's Gambit Declined, Falkbeer, 5.de | 1 games |
| B56 | Sicilian | 1 games |
| B25 | Sicilian, closed | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A90 | Dutch defence | 1 games |
| B90 | Sicilian, Najdorf | 1 games |
| B68 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be7 | 1 games |
| B34 | Sicilian, accelerated fianchetto, exchange variation | 1 games |


Poland