Deep Hayer

projects

HOI4 division templates

2026 — building

A combat-model paper, a division-design cookbook, and an open-source Python pipeline for patch 1.18.

stack: Python, Typst, polymath-simple

A research project on division design in Hearts of Iron IV patch 1.18. Three deliverables: a combat-model paper, a practical cookbook of templates by role, and an open-source simulator that exposes the model’s sensitivities.

Latest

Simulator walks the patch 1.18 combat resolution step by step. Paper drafted in Typst using the polymath-simple package. Cookbook mapping templates to roles (line, breakthrough, garrison, recon, marines, mountaineers) in progress.

Status

Paper draft underway, simulator working, cookbook next.