The technique of calculating variations is perhaps one of the most important techniques that defines a chess player’s playing strength. An entire generation of top players, including the current World Champion Gukesh Dommaraju, have a reputation of being true calculating machines. David Navara brings the secrets of calculating variations from the perspective of an absolute top player with a peak rating of 2751 to your home. Lukas Köpl, himself a trainer and advocate of the technique of calculating variations, reviewed David Navara’s contribution. | Photos: ChessBase

