---
# edu-iv0k
title: 'Write §9: Neural network architecture overview'
status: completed
type: task
priority: normal
created_at: 2026-03-13T20:03:17Z
updated_at: 2026-03-13T23:07:35Z
parent: edu-coqp
---

Conceptual lesson: shared convolutional trunk, policy head (move probabilities), value head (win probability). Diagrams encouraged. No code yet.

## Summary of Changes

Wrote full content for §9 covering neural network fundamentals from scratch: neurons/weights/biases, layers, forward pass, training intuition, and the dual-headed policy+value architecture for game AI with concrete TTT dimensions.