Calculation separates the wheat from the chaff in chess. At the same time, many club players devote too little of their training to the skills involved. In today’s flood of courses and databases, everyone can bring their openings to a solid level and make “sensible” moves. Yet most games are still decided in close combat. Hannes Langrock is an editor at a fiction publishing house and an International Master. He lives in Leipzig and plays for ESV Nickelhütte Aue. He reviews Surya Ganguly’s course “Calculation Step by Step Vol. 1”. | Photos: ChessBase

