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config/trainer_config.yaml

     batch_size: 2048
     buffer_size: 20480
     hidden_units: 512
-    beta: 1.0e-2
+    beta: 5.0e-2
-        window: 100
+        window: 50
         play_against_latest_model_ratio: 0.5
         save_steps: 50000
         swap_steps: 2000