Plot: Malte is an 11-year-old loner whose mind is full of complex strategies and game theory. As he suddenly ends up in the middle of a conflict between two courtyards, he finds practical use to his theories. Too late it dawns on him that his interference makes play for real, and an actual war is now breaking out. Will he be able to stop it?
Alternative Plot: When a strategy-minded boy finds himself between two playgrounds, he starts a game that sparks a real-life conflict between two groups of children.
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