diff --git a/csharp-scrabble-challenge.Main/Scrabble.cs b/csharp-scrabble-challenge.Main/Scrabble.cs
index c1ea013..2853ea3 100644
--- a/csharp-scrabble-challenge.Main/Scrabble.cs
+++ b/csharp-scrabble-challenge.Main/Scrabble.cs
@@ -9,15 +9,100 @@ namespace csharp_scrabble_challenge.Main
 {
     public class Scrabble
     {
+        String word;
         public Scrabble(string word)
-        {            
+        {
             //TODO: do something with the word variable
+            this.word = word.ToUpper();
         }
 
         public int score()
         {
             //TODO: score calculation code goes here
-            throw new NotImplementedException(); //TODO: Remove this line when the code has been written
+
+           //set score to be zero
+            int score = 0;
+            //initialise a dictionary with all characters and ther points
+            Dictionary <char, int> map = new Dictionary<char, int>(){
+            { 'A', 1},{ 'B', 3},{ 'C', 3},{ 'D', 2},{ 'E', 1},{ 'F', 4},
+            { 'G', 2},{ 'H', 4},{ 'I', 1},{ 'J', 8},{ 'K', 5},{ 'L', 1},
+            { 'M', 3},{ 'N', 1},{ 'O', 1},{ 'P', 3},{ 'Q', 10},{ 'R', 1},
+            { 'S', 1},{ 'T', 1},{ 'U', 1},{ 'V', 4},{ 'X', 8},{ 'Y', 4},
+            { 'Z', 10},};
+
+            
+          
+            for(int i = 0; i < word.Length; i++)
+            {
+
+                if (map.ContainsKey(word[i]))
+                {
+                    score += map[word[i]];
+                }
+                else if (!(map.ContainsKey(word[i])))
+                {
+                    if (word[i] == '{' || word[i] == '[') 
+                    {
+                        int outerMulti = word[i] == '{' ? 2 : 3;
+                        //skrive expected end bracket
+                        char expectedOuterBracket= word[i] == '{' ? '}' : ']';
+                        i++;
+                      
+
+                        while (word[i] != '}' && word[i] != ']')
+                        {
+                        
+                            if (word[i] == '{' || word[i] == '[')
+                            {
+                                int innerMulti = word[i] == '{' ? 2 : 3;
+                                char expectedInnerBracket = word[i] == '{' ? '}' : ']';
+                                i++;
+                                while (word[i] != '}' && word[i] != ']')
+                                {
+                                    if (!(map.ContainsKey(word[i]))){
+                                        return 0;
+                                    }
+                                    int mdl = map[word[i]];
+                                    //hva skal multiplieren være??
+                                    score += mdl * innerMulti * outerMulti;
+                                    i++;
+
+                                }
+                                //her kan man sjekke bracket
+                                if (expectedInnerBracket != word[i])
+                                {
+                                    return 0;
+                                }
+                                i++;
+
+                            }
+                            else {
+                                if (!(map.ContainsKey(word[i])))
+                                {
+                                    return 0;
+                                }
+                                int newscore = map[word[i]];
+                                score += newscore * outerMulti;
+                                i++;
+                        }
+                            
+                        }
+                        //her kan man sjekke bracket
+                        if (expectedOuterBracket != word[i])
+                        {
+                            return 0;
+                        }
+                       
+                    }
+                   
+                }
+                
+
+            }
+            return score;
+
+
         }
+      
     }
 }
diff --git a/csharp-scrabble-challenge.Test/ExtensionTests.cs b/csharp-scrabble-challenge.Test/ExtensionTests.cs
index 8eb37dc..da462a0 100644
--- a/csharp-scrabble-challenge.Test/ExtensionTests.cs
+++ b/csharp-scrabble-challenge.Test/ExtensionTests.cs
@@ -11,6 +11,16 @@ namespace csharp_scrabble_challenge.Test
     [TestFixture]
     public class ExtensionTests
     {
+       [TestCase("d{o}g", 6)] //extension double letter
+        [TestCase("d[o]g", 7)] //extension triple letter
+        [TestCase("[d[1]g]", 0)]
+        [TestCase("[[zz]z]", 210)]
+
+        [TestCase("j[o]h{n}", 17)] // "j[o]h{n}": o blir trippel, n blir dobbel
+        [TestCase("k[e]y", 12)] // "k[e]y": e blir trippel
+        [TestCase("{x}yz", 30)] // "{x}yz": x blir dobbel
+        [TestCase("k[e][y]", 20)] // "k[e]y": e blir trippel
+        [TestCase("{x}[y]z", 38)] // "{x}yz": x blir dobbel
 
         [TestCase("{street}", 12)] //extension double word
         [TestCase("[street]", 18)] //extension triple word
@@ -18,6 +28,11 @@ public class ExtensionTests
         [TestCase("[quirky]", 66)] //extension triple word
         [TestCase("{OXyPHEnBUTaZoNE}", 82)]
         [TestCase("[OXyPHEnBUTaZoNE]", 123)]
+
+        [TestCase("[{h}o1s{e}]", 0)] // error case (zero for errors)
+        [TestCase("{h}ous{e}", 13)]
+        [TestCase("[{h}ous{e}]", 39)]
+        [TestCase("[h}ous{e}]", 0)] //Error case (zero for errors)
         public void ExtendedCriteriaTests(string word, int targetScore)
         {
             Assert.AreEqual(this.GetWordScore(word), targetScore);