simplified__first_attack checkpoint

Accepted fixed-bot initialization checkpoint for the selected-five MuZero/EfficientZero training sequence.

Source run: main5_hf_bot_mode_recovery_50k_20260522
Checkpoint: checkpoints/envstep_150000.pth.tar
Uploaded: 2026-05-23T11:46:20+00:00

Latest Best Checkpoint

The current latest best checkpoint pointer for this repository is:

checkpoints/first_attack_bot_only_bnfreeze_detcollect_lr000001_gate_20260525/ckpt_last.pth.tar

Metadata:

Game: simplified__first_attack
Source run: first_attack_bot_only_bnfreeze_detcollect_lr000001_gate_20260525
Checkpoint role: BN-frozen bot-mode latest-best ckpt_last.pth.tar after 200K env-step stabilization
Local source at upload: /mnt/nvme/home/molfetta/molfetta-reasoning/models/first_attack_bot_only_bnfreeze_detcollect_lr000001_gate_20260525/attempt-01/ckpt/ckpt_last.pth.tar
Checkpoint SHA256 at upload: 5507d982c6958fa07755e1c7749f856563c592366af87b1f89d4e1f14f3bd353
Source note: conservative continuation from the externally audited First Attack frozen checkpoint, with fresh optimizer LR 1e-6, deterministic collection, and freeze_batch_norm_stats=true to avoid BatchNorm running-stat drift.
Evaluation note: final training-time bot-mode fixed-bot eval on 2026-05-25, 20 games, 50 simulations, rule bot, seat-swapped: reward_mean 1.0, reward_min 1.0, reward_max 1.0, seat1_reward_mean 1.0, seat2_reward_mean 1.0.
Upload manifest: metadata/first_attack_bot_only_bnfreeze_detcollect_lr000001_gate_20260525_latest_best_manifest.json

Older checkpoint files in this repository are preserved; this section is the canonical pointer to use when a consumer needs the latest best checkpoint.

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