diff --git a/.gitignore b/.gitignore
index 803371c..f46cfe8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 .ipynb_checkpoints
 *.pyc
 data/records*.txt
+data/records*.h5
 env/
diff --git a/munch/__init__.py b/munch/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/munch/convert_records.py b/munch/convert_records.py
new file mode 100644
index 0000000..087d6a9
--- /dev/null
+++ b/munch/convert_records.py
@@ -0,0 +1,53 @@
+from mutable import Converter
+
+import numpy as np
+import h5py
+import sys
+
+data_dir = sys.argv[1]
+
+c = Converter()
+
+def add_to_set(dset, data, inx_prev):
+    inx_cur = inx_prev + len(data)
+    print(inx_prev, inx_cur)
+    dset[inx_prev:inx_cur] = data
+
+    return inx_cur
+
+def convert_set(path, hf):
+    print()
+    print(path)
+    records = open(path)
+
+    games = records.readlines()
+    moves = sum([(record.count(";") + 1) for record in games])
+    print(len(games))
+    print(moves)
+
+    dset = hf.create_dataset("samples", shape=(moves, 9, 9, 9), dtype=np.uint8)
+
+    cur = 0
+    inx_prev = 0
+    data = []
+    for record in games:
+        cur += 1
+        data.extend(c.convert(record.strip()))
+        if cur % 1000 == 0:
+            inx_prev = add_to_set(dset, data, inx_prev)
+            data = []
+
+    add_to_set(dset, data, inx_prev)
+
+def convert_all():
+    data_sets = [
+        "records-1-train",
+        "records-2-valid",
+        "records-3-test",
+    ]
+
+    for ds in data_sets:
+        with h5py.File("%s%s.h5" % (data_dir, ds), "w") as hf:
+            convert_set("%s%s.txt" % (data_dir, ds), hf)
+
+convert_all()
diff --git a/munch/process_games.sh b/munch/process_games.sh
index 8b5ad0b..6ef8f3a 100755
--- a/munch/process_games.sh
+++ b/munch/process_games.sh
@@ -10,3 +10,5 @@ cat "$DATADIR"/records-all.txt | sort | uniq -u > "$DATADIR"/records-clean.txt
 
 # create train/valid/test data sets
 python split_records.py "$DATADIR"
+
+python convert_records.py "$DATADIR"
diff --git a/requirements.txt b/requirements.txt
index 6271e40..0d279f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 jupyter==1.0.0
 numpy==1.14.1
+h5py==2.7.1
 Keras==2.1.5