Grandmaster Preparation: Calculation is a chess training program designed to help players improve their calculation skills. The program is based on the PGN format, which allows players to analyze and practice games in a systematic and efficient way. The program is specifically designed for players who want to take their game to the next level, but struggle with calculation.
The "paper" you are likely looking for is the of Jacob Aagaard's book, Grandmaster Preparation: Calculation
A GM asks:
While the original material was published in physical books, new digital formats have transformed how players prepare. Grandmaster Preparation - Calculation - New In Chess
