diff --git a/features/score.py b/features/score.py
new file mode 100644
index 0000000..92a446a
--- /dev/null
+++ b/features/score.py
@@ -0,0 +1,57 @@
+# adapted (MIT license) from https://github.com/jfklorenz/Bridge-Scoring/blob/master/features/score.js
+# ================================================================
+# Scoring
+def score(level, suit, double, declarer, vulnerability, result):
+    assert level in range(0,7),f'ValueError: level {level} is invalid'
+    assert suit in range(0,5),f'ValueError: suit {suit} is invalid'
+    assert double in range(0,3),f'ValueError: double {double} is invalid'
+    assert declarer in range(0,4),f'ValueError: declarer {declarer} is invalid'
+    assert vulnerability in range(0,2),f'ValueError: vulnerability {vulnerability} is invalid'
+    assert result in range(-13,7),f'ValueError: result {result} is invalid'
+
+    # Contract Points
+    points_contract = [
+        [[20, 40, 80], [20, 40, 80]],
+        [[20, 40, 80], [20, 40, 80]],
+        [[30, 60, 120], [30, 60, 120]],
+        [[30, 60, 120], [30, 60, 120]],
+        [[40, 80, 160], [30, 60, 120]]
+        ]
+
+    # Overtrick Points
+    overtrick = [
+        [[20, 100, 200], [20, 200, 400]],
+        [[20, 100, 200], [20, 200, 400]],
+        [[30, 100, 200], [30, 200, 400]],
+        [[30, 100, 200], [30, 200, 400]],
+        [[30, 100, 200], [30, 200, 400]]
+        ]
+
+    # Undertrick Points
+    undertricks = [
+        [[50, 50, 50, 50], [100, 200, 200, 300], [200, 400, 400, 600]],
+        [[100, 100, 100, 100], [200, 300, 300, 300], [400, 600, 600, 600]]
+        ]
+
+    # Bonus Points
+    bonus_game = [[50, 50], [300, 500]]
+    bonus_slam = [[500, 750], [1000, 1500]]
+    bonus_double = [0, 50, 100]
+
+    if result >= 0:
+        points = points_contract[suit][0][double] + level * points_contract[suit][1][double]
+        
+        points += bonus_game[points >= 100][vulnerability]
+
+        if level >= 5:
+            points += bonus_slam[level - 5][vulnerability]
+
+        points += bonus_double[double] + result * overtrick[suit][vulnerability][double]
+
+    else:
+        points = -sum([undertricks[vulnerability][double][min(i,3)] for i in range(0, -result)])
+                         
+    return points if declarer < 2 else -points # negate points if EW
+
+# ================================================================
+