“First restrain, then blockade, finally destroy!”, wrote Aron Nimzowitsch almost a century ago. The art of stopping opponents pawn avalanches was so dear to him, that he dedicated a full book to it. “Die Blockade” was published in 1925, in the same year as “Mein System.” Jan Markos offers modern examples to show what to do against a phalanx of dangerous pawns. | Photo: Pixabay