Replication Data for: Plasticity and Behavioral Divergence: The Baldwin Effect in Neuroevolved Chess Agents

Experiment data, model checkpoints, and analysis outputs for the Baldwin Effect in neuroevolved chess agents. Contains 20 seeds × 200 generations (Hebbian ON/OFF), remove-teacher ablation(4 seeds), signal ablation (6 seeds), mirror condition (6 seeds), reviewer sensitivity checks, and pre-generated analysis plots. Includes AILED Engine v26.3.0 (43M-param transformer) and Maia2 opponent model weights. See README.md inside the archive for full structure and reproduction instructions.