Chessable World Champion Calculation Training... Official

: Exercises are typically split into two types:

: Positions are "mined" from the games of legendary World Champions. For example: Part 1 : Steinitz, Lasker, Capablanca, and Alekhine. Part 2 : Euwe, Botvinnik, Smyslov, and Tal. Part 3 : Petrosian and Spassky. Part 4 : Bobby Fischer.

: These are considered the "heart" of the course, providing the theory behind the calculation method before you dive into the puzzles. Chessable World Champion Calculation Training...

The World Champion Calculation Training series on Chessable by is a specialized instructional series designed to fix the problem of blundering and missing tactical opportunities in sharp positions. Key Course Features

: Puzzles are generally organized in increasing order of complexity within their respective chapters, though some reviewers note a difficulty reset when switching between "missed" and "found" combinations. g., beginner vs. advanced), or : Exercises are typically split into two types:

: Each part features hundreds of interactive puzzles (e.g., 340 in Part 1 and 443 in Part 2) designed to drill the algorithm until it becomes second nature.

Finding the brilliant combinations that the champions in their games. Part 3 : Petrosian and Spassky

: The courses include several hours of synced video (ranging from ~5.5 to over 8 hours depending on the part) where Oleksiyenko explains the historical context and how the calculation method reveals specific solutions. Course Structure