18th Hoogovens Chess Tournament, 1956. Probably 1st round, Román Torán Albero (black) against Herman Pilnik (white)
<a href="//commons.wikimedia.org/wiki/Category:Joop_van_Bilsen" title="Category:Joop van Bilsen">Joop van Bilsen</a> for <a href="//commons.wikimedia.org/wiki/Category:Anefo" title="Category:Anefo">Anefo</a>
<a rel="nofollow" class="external free" href="http://proxy.handle.net/10648/a9413410-d0b4-102d-bcf8-003048976d84">http://proxy.handle.net/10648/a9413410-d0b4-102d-bcf8-003048976d84</a>