Kotronias: The Exchange Sacrifice according to Tigran Petrosian CT including a streak of 19

including a streak of 19 consecutive wins

It has a countdown function with optional bonus time

From the famous Endgame Variation to recently fashionable tries such as 4

had a lasting impact and contributed to the popularization of chess

Kotronias: The Exchange Sacrifice according to Tigran Petrosian CT including a streak of 19The Art of the Exchange Sacrifice Tigran Petrosian, the ninth world chess champion, was one of the deepest thinkers the chess world has ever seen. His handling of complex positions was legendary. With his rare strategic feeling and exceptional vision, Petrosian gradually became one of the top exponents of the art of the exchange sacrifice, and perhaps the leading protagonist for the positional exchange sacrifice. Acclaimed author Vassilios Kotronias