Lesson 3: Triangulation

Sometimes everything is in the right place, but it's your move, and every move spoils something. Then the king can walk around a small triangle and come back. Your opponent's king can't do the same, and suddenly it's the other side that has to move.

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What you'll learn

  • Zugzwang: when having the move is a disadvantage
  • Triangulation: the king takes three moves and comes back
  • How to recognize when a triangle is needed
  • How to win a position like this against the computer

Lesson 3 of 12 in Endgames with Lavi · about 10 minutes · 6 steps · comes with Plus. Your progress is kept in this browser, and with your profile if you have one.

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Updated November 6, 2026