{
  "iteration": 32,
  "timestamp": "2026-05-31T02:17:28.652486+00:00",
  "buffer_size": 52454,
  "config": {
    "iterations": 600,
    "episodes_per_iter": 18,
    "mcts_sims": 800,
    "c_puct": 1.5,
    "temp_threshold": 8,
    "add_noise": true,
    "seed": 42,
    "verbose_logs": true,
    "episode_log_every": 25,
    "epochs": 1,
    "batch_size": 256,
    "learning_rate": 0.0001,
    "weight_decay": 0.0001,
    "value_loss_coeff": 1.0,
    "reward_shaping_enabled": false,
    "reward_shaping_scale": 0.1,
    "reward_shaping_gamma": 0.99,
    "reward_shaping_material_weight": 0.6,
    "reward_shaping_mobility_weight": 0.4,
    "reward_shaping_draw_penalty": 0.1,
    "league_enabled": true,
    "league_path": "checkpoints/league_ratings.json",
    "league_checkpoint_pool_top_k": 3,
    "league_checkpoint_pool_min_games": 4,
    "league_selfplay_checkpoint_prob": 0.55,
    "league_champion_games": 6,
    "buffer_size": 200000,
    "val_split": 0.1,
    "shuffle_train_val_split": true,
    "train_recent_fraction": 0.3,
    "train_recent_window_fraction": 0.4,
    "d_model": 384,
    "nhead": 6,
    "num_layers": 12,
    "dim_feedforward": 768,
    "dropout": 0.0,
    "log_dir": "/kaggle/working/logs",
    "checkpoint_dir": "/kaggle/working/checkpoints",
    "save_every": 2,
    "keep_last_n_local_checkpoints": 1,
    "keep_last_n_log_versions": 2,
    "keep_last_n_hf_checkpoints": 1,
    "onnx_path": "ataxx_model.onnx",
    "export_onnx": false,
    "hf_enabled": true,
    "hf_repo_id": "dieg0code/ataxx-zero",
    "hf_run_id": "policy_spatial_v15_3",
    "hf_bootstrap_run_id": "",
    "hf_reset_iteration": false,
    "hf_token_env": "HF_TOKEN",
    "hf_local_dir": "/kaggle/working/hf_checkpoints",
    "wandb_enabled": true,
    "wandb_project": "ataxx-zero",
    "wandb_entity": "dieg0code-ai",
    "wandb_run_name": "policy_spatial_v15_3",
    "max_pending_hf_uploads": 12,
    "hf_upload_future_timeout_s": 900.0,
    "show_progress_bar": false,
    "trainer_log_every_n_steps": 99999,
    "monitor_log_every": 5,
    "epoch_pulse_every": 2,
    "num_workers": 2,
    "persistent_workers": true,
    "strict_probs": false,
    "trainer_devices": 2,
    "trainer_strategy": "ddp_spawn",
    "trainer_precision": "16-mixed",
    "trainer_benchmark": true,
    "ddp_timeout_seconds": 180,
    "mcts_use_amp": true,
    "mcts_cache_size": 100000,
    "mcts_leaf_batch_size": 32,
    "mcts_dirichlet_alpha": 0.3,
    "mcts_dirichlet_frac": 0.25,
    "fail_on_selfplay_parallel_error": false,
    "fail_on_hf_upload_error": false,
    "opponent_self_prob": 0.45,
    "opponent_heuristic_prob": 0.0,
    "opponent_random_prob": 0.05,
    "opponent_heuristic_level": "normal",
    "opponent_heuristic_epsilon": 0.0,
    "opponent_heuristic_easy_prob": 0.2,
    "opponent_heuristic_normal_prob": 0.5,
    "opponent_heuristic_hard_prob": 0.3,
    "model_side_swap_prob": 0.5,
    "eval_enabled": true,
    "eval_every": 8,
    "eval_games": 40,
    "eval_sims": 256,
    "eval_heuristic_level": "hard",
    "eval_heuristic_levels": "easy,normal,hard,apex,gambit,sentinel",
    "restore_best_on_regression": false,
    "eval_regression_delta": 0.06,
    "eval_regression_patience": 2,
    "baseline_checkpoint": "liga",
    "baseline_hf_run_id": "policy_spatial_v8",
    "baseline_composite": 0.85,
    "baseline_h2h_min_score": 0.25,
    "eval_absolute_patience": 2,
    "eval_absolute_delta": 0.03,
    "eval_absolute_action": "abort",
    "eval_absolute_abort_mode": "h2h",
    "eval_absolute_min_iteration": 150,
    "selfplay_workers": 2,
    "selfplay_progress_every_s": 120.0,
    "selfplay_episode_timeout_s": 1800.0,
    "compile_model": false,
    "quiet_mode": false,
    "warmup_games": 0,
    "warmup_epochs": 0,
    "warmup_heuristic_level": "sentinel",
    "warmup_heuristic_levels": "hard,apex,sentinel",
    "pretrain_dataset_path": "",
    "pretrain_epochs": 0,
    "human_replay_path": "",
    "human_batch_fraction": 0.0,
    "human_value_mask": false,
    "symmetry_augmentation": true,
    "value_head_depth": 1,
    "count_head_enabled": false,
    "count_loss_coeff": 0.0,
    "eval_composite_uses_h2h_only": true,
    "transformer_pre_ln": true,
    "mcts_fpu_reduction": 0.25,
    "mcts_virtual_loss": 1.0,
    "pos_embed_2d": true,
    "lr_warmup_steps": 0,
    "adam_beta2": 0.95,
    "ema_decay": 0.999,
    "value_mcts_q_lambda": 0.25,
    "max_half_moves_per_episode": 120,
    "random_opening_prob": 0.25,
    "random_opening_max_plies": 3,
    "mcts_prior_uniform_mix": 0.2,
    "pcr_enabled": true,
    "pcr_fast_sims": 100,
    "pcr_full_sim_prob": 0.25,
    "resign_enabled": true,
    "resign_value_threshold": -0.95,
    "resign_consecutive_plies": 8,
    "resign_min_plies": 20,
    "resign_audit_prob": 0.1,
    "mcts_forced_playout_k": 2.0,
    "mcts_policy_target_prune_forced": true,
    "patch_embed_conv": true
  },
  "stats": {
    "replay_size": 52454,
    "best_eval_score": 0.9874999999999999,
    "train_loss_total": 2.0907232761383057,
    "train_loss_value": 0.27653348445892334,
    "train_loss_policy": 1.8141902685165405,
    "train_value_mae": 0.3769489526748657,
    "train_policy_accuracy": 0.45950010418891907,
    "train_lr": 9.99993208097294e-05,
    "score": 0.9833333333333334,
    "eval_total_wins": 236,
    "eval_total_losses": 4,
    "eval_total_draws": 0,
    "eval_levels": "easy,normal,hard,apex,gambit,sentinel",
    "eval_level_mean": 0.9833333333333334,
    "eval_composite_signal": "mean_levels",
    "eval_score_easy": 1.0,
    "eval_score_normal": 0.975,
    "eval_score_hard": 1.0,
    "eval_score_apex": 1.0,
    "eval_score_gambit": 0.925,
    "eval_score_sentinel": 1.0,
    "champion_duel_opponent": "umbral",
    "champion_duel_score": 1.0,
    "champion_duel_wins": 6,
    "champion_duel_losses": 0,
    "champion_duel_draws": 0,
    "champion_duel_games": 6
  }
}