The Abysmal Depths of Chess

  "The role played by space in the endgame is in fact much more straight-forward than in the middlegame … He who commands more space has more squares for his king, it’s as simple as that. More space means a potentially stronger king." Michael Stean

  "Simple chess always requires flexibility of thought. The opponent can always avert one form of weakness or disadvantage by accepting another somewhere else." Michael Stean

  A sense of timing is the key to good defensive play. Here Petrosian accepts the weakening of his kingside pawns as he realises that he can thereby completely repulse the attack. Michael Stean