--- # edu-5go8 title: 'Write §3: Why self-play? The AlphaGo Zero insight' status: completed type: task priority: normal created_at: 2026-03-13T20:03:17Z updated_at: 2026-03-13T22:51:31Z parent: edu-coqp --- Explain the key insight: a capable engine can be its own teacher. Historical context (AlphaGo vs AlphaGo Zero) and why the approach generalises. ## Summary of Changes\n\nWrote full content for §3 covering the evolution from Deep Blue to AlphaGo Zero, the self-play insight, the virtuous training cycle, and how we'll adapt the approach for Tic-Tac-Toe.