Chess and increasing mental performance
Chess presents interesting intellectual challenges. It is said that: "Chess has an advantage over most school subjects: it combines both theory and practice. Ideas are honed and tested in the crucible of competitive play. Poor formulation or poor execution of ideas loses games. Careless, faulty thinking is ruthlessly refuted on the chessboard."[1]
According to Healthline.com: "Playing chess can improve cognitive skills like memory, planning, and problem-solving. It may also help reduce symptoms of certain brain conditions."[2]
Some countries, particularly nations like Uzbekistan from the former Soviet Union, promote chess as a fundamental aspect of learning and mental development.
Bobby Fischer
Bobby Fischer and Bible reading
Earlier in life he mentioned that "I can remember times coming home from a chess club at four in the morning when I was half asleep and half dead and forcing myself to pray an hour and study (the Bible) an hour. You know, I was half out of my head-stoned almost."[1]