The Art of War, Chapter 11 summary
Chapter 11 of 13 · 38 min to read the chapter
In Chapter 11, Sun Tzŭ defines nine kinds of ground and explains how commanders should adjust movement, supplies, alliances, and fighting to each situation. He argues that shared danger can unite soldiers, while secrecy, care for troops, deception, and rapid action help a general control his army and exploit enemy openings.
What happens
- Sun Tzŭ distinguishes nine kinds of ground by location, access, strategic value, and chances of escape.
- He assigns different responses to each situation, including movement, alliances, gathering supplies, deception, and immediate fighting.
- He explains how deep invasion and unavoidable danger can strengthen unity, courage, and obedience.
- The shuai-jan and enemies sharing a storm-tossed boat illustrate coordinated action under attack.
- He requires generals to care for troops, conceal plans, vary movements, and control information.
- He closes by urging commanders to exploit openings, seize valued positions, adapt to enemy intentions, and strike quickly.

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What does Sun Tzŭ recommend on ground of intersecting highways?

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