Alekhine's Defence is a sharp and aggressive defence, and any inaccuracy move can be severely punished for both sides. The beauty of that defence is finding dynamic positions under pressure throughout the entire game. For that reason, it is hard to play it, mainly in the classical tournaments. A few GMs in the History of Chess added Alekhine's Defence into their repertories for classical games. What's the secret of playing Alekhine's Defence with confidence? Which chess background is required to?