Chess: 900 to 1800

The principle of two weaknesses

One weakness can be defended. Create a second one on the other wing and the defence collapses.

  • 9 min
  • 1 step
  • Lesson 86 of 132

Four steps: an explanation, a demonstration, a find-the-move exercise, and a position to play out against the engine. Becomes essential around 1700.

The principle of two weaknesses The square arrow button opens this screen in the full trainer, with its menu and settings. Credit: Chess Trainer

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