diff --git a/src/main/java/BowlingGameCalculator.java b/src/main/java/BowlingGameCalculator.java
index 1fda65b..28ad78b 100644
--- a/src/main/java/BowlingGameCalculator.java
+++ b/src/main/java/BowlingGameCalculator.java
@@ -5,25 +5,16 @@ import java.util.regex.Pattern;
 public class BowlingGameCalculator {
 
     private static final Pattern SINGLE_VALUE_PATTERN = Pattern.compile("\\d");
-    private static final Pattern SPARE_PATTERN = Pattern.compile("/[ -,]*(\\d)");
+    private static final Pattern SPARE_PATTERN = Pattern.compile("(\\d)[ ,]*/[ -,]*(\\d)");
     private static final int INITIAL_SCORE_VALUE = 0;
 
     public int score(String playerResult) {
         int playerScore = INITIAL_SCORE_VALUE;
 
-        /*
-        Matcher singleDigit = SINGLE_VALUE_PATTERN.matcher(playerResult);
-        while (singleDigit.find()) {
-            playerScore += Integer.parseInt(singleDigit.group());
-        }
-
-        Matcher spare = SPARE_PATTERN.matcher(playerResult);
-        Function<Matcher, Integer> spareScorer = (spareMatcher) -> 10 + Integer.parseInt(spare.group(1));
-        playerScore = scoreMatch(playerScore, spare, spareScorer);
-        */
-
         playerScore += scoreMatch(SINGLE_VALUE_PATTERN.matcher(playerResult), (spareMatcher) -> Integer.parseInt(spareMatcher.group()));
-        playerScore += scoreMatch(SPARE_PATTERN.matcher(playerResult), (spareMatcher) -> 10 + Integer.parseInt(spareMatcher.group(1)));
+        playerScore += scoreMatch(SPARE_PATTERN.matcher(playerResult), (spareMatcher) ->
+                10 + Integer.parseInt(spareMatcher.group(2))
+                        - Integer.parseInt(spareMatcher.group(1)));
 
         return playerScore;
     }
diff --git a/src/test/java/BowlingCalculatorTest.java b/src/test/java/BowlingCalculatorTest.java
index a63a75a..4a8f2bc 100644
--- a/src/test/java/BowlingCalculatorTest.java
+++ b/src/test/java/BowlingCalculatorTest.java
@@ -23,7 +23,8 @@ public class BowlingCalculatorTest {
                 Arguments.of("worst game", "0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0", 0),   // 20x 0
                 Arguments.of("some incomplete frames", "0,1,2,3,0,0,4,0,0,5,0,0,6,0,0,0,0,0,0,0", 21),
                 Arguments.of("some other incomplete frames", "9- 9- 9- 9- 9- 9- 9- 9- 9- 9-", 90),
-                Arguments.of("roll after spare counts twice", "0,0 ,0,/ ,1,0 ,0,0,0,0,0,0,0,0,0,0,0,0,0,0", 12)    // Wurf nach Spare (/) zählt doppelt
+                Arguments.of("roll after spare counts twice", "0,0 ,0,/ ,1,0 ,0,0,0,0,0,0,0,0,0,0,0,0,0,0", 12),    // Wurf nach Spare (/) zählt doppelt
+                Arguments.of("spare counts 10", "5/ 5/ 5/ 5/ 5/ 5/ 5/ 5/ 5/ 5/5", 150)
         );
     }
 }
diff --git a/target/classes/BowlingGameCalculator.class b/target/classes/BowlingGameCalculator.class
index 649e59f..c37f9cd 100644
Binary files a/target/classes/BowlingGameCalculator.class and b/target/classes/BowlingGameCalculator.class differ
diff --git a/target/test-classes/BowlingCalculatorTest.class b/target/test-classes/BowlingCalculatorTest.class
index b58c7dd..2757ae4 100644
Binary files a/target/test-classes/BowlingCalculatorTest.class and b/target/test-classes/BowlingCalculatorTest.class differ