Grivas on the Prokeš Manoeuvre (3)

Have you mastered the ‘Prokeš Manoeuvre’? Can you confidently handle the endgame rook against two advanced pawns, as explained in two previous articles? Well, here is a final test: try winning some new positions against our diagram engine, and then check with the analysis given at the end to make sure you have understood everything. And tell international trainer Efstratios Grivas if this has been useful for your tournament performance.