diff --git a/TDD-pure-function/src/main/java/de/edu/hsfulda/ciip/tdd/BownlingCalculator.java b/TDD-pure-function/src/main/java/de/edu/hsfulda/ciip/tdd/BownlingCalculator.java
index 81f4955..39f132a 100644
--- a/TDD-pure-function/src/main/java/de/edu/hsfulda/ciip/tdd/BownlingCalculator.java
+++ b/TDD-pure-function/src/main/java/de/edu/hsfulda/ciip/tdd/BownlingCalculator.java
@@ -22,6 +22,9 @@ public class BownlingCalculator {
 		sum += evaluateFrames(listOfThrows, SPARE, m -> PINS_IN_FRAME//
 				- Integer.parseInt(m.group(SPARE_FRAME_FIRST_THROW))
 				+ Integer.parseInt(m.group(SPARE_FRAME_FOLLOWING_THROW)));
+		sum += evaluateFrames(listOfThrows, "X (\\d)(\\d)", m -> PINS_IN_FRAME//
+				+ Integer.parseInt(m.group(1))
+				+ Integer.parseInt(m.group(2)));
 		return sum;
 	}