diff --git a/src/main/java/com/booleanuk/Scrabble.java b/src/main/java/com/booleanuk/Scrabble.java
index 88108a8..86e1e0c 100644
--- a/src/main/java/com/booleanuk/Scrabble.java
+++ b/src/main/java/com/booleanuk/Scrabble.java
@@ -1,12 +1,105 @@
 package com.booleanuk;
 
+import javax.print.CancelablePrintJob;
+import java.awt.image.TileObserver;
+import java.io.CharArrayReader;
+import java.util.*;
+
 public class Scrabble {
-    public Scrabble(String word) {
 
+    private String word;
+
+    public Scrabble(String word) {
+        this.word = word;
     }
 
     public int score() {
-        return -1;
-    }
 
+        if (this.word == null || this.word.equals("\n\r\t\b\f")) {
+            return 0;
+        }
+
+        ArrayList<Character> letters1 = new ArrayList<>();
+        Collections.addAll(letters1, 'A', 'E', 'I', 'O', 'U', 'L', 'N', 'R', 'S', 'T');
+
+        ArrayList<Character> letters2 = new ArrayList<>();
+        Collections.addAll(letters2, 'D', 'G');
+
+        ArrayList<Character> letters3 = new ArrayList<>();
+        Collections.addAll(letters3, 'B', 'C', 'M', 'P');
+
+        ArrayList<Character> letters4 = new ArrayList<>();
+        Collections.addAll(letters4, 'F', 'H', 'V', 'W', 'Y');
+
+        ArrayList<Character> letters5 = new ArrayList<>();
+        Collections.addAll(letters5, 'K');
+
+        ArrayList<Character> letters8 = new ArrayList<>();
+        Collections.addAll(letters8, 'J', 'X');
+
+        ArrayList<Character> letters10 = new ArrayList<>();
+        Collections.addAll(letters10, 'Q', 'Z');
+
+        ArrayList<Character> letters11 = new ArrayList<>();
+        Collections.addAll(letters11, '[', '{', '}', ']');
+
+        HashMap<Character, Integer> letterValues = new HashMap<>();
+        letters1.forEach(x -> letterValues.put(x, 1));
+        letters2.forEach(x -> letterValues.put(x, 2));
+        letters3.forEach(x -> letterValues.put(x, 3));
+        letters4.forEach(x -> letterValues.put(x, 4));
+        letters5.forEach(x -> letterValues.put(x, 5));
+        letters8.forEach(x -> letterValues.put(x, 8));
+        letters10.forEach(x -> letterValues.put(x, 10));
+        letters11.forEach(x -> letterValues.put(x, 0));
+
+        char[] charArray = word.toUpperCase().toCharArray();
+        int points = 0;
+
+        for (int i = 0; i < charArray.length; i++) {
+            int value = letterValues.get(charArray[i]);
+            points += value;
+        }
+
+        int totalScore = 0;
+        int multiplier = 1;
+        int curlyCount = 0;
+        int bracketCount = 0;
+
+        for (int i = 0; i < charArray.length; i++) {
+            int value = letterValues.get(charArray[i]);
+
+            if (charArray[i] == '[') {
+                multiplier = 3;
+                int newVal = letterValues.get(charArray[i + 1]) * multiplier;
+                totalScore += newVal;
+                i++;
+                bracketCount++;
+            }
+            else if (charArray[i] == '{') {
+                multiplier = 2;
+                int newVal = letterValues.get(charArray[i + 1]) * multiplier;
+                totalScore += newVal;
+                i++;
+                curlyCount++;
+            }
+            else if (charArray[i] == ']') {
+                bracketCount--;
+            }
+            else if (charArray[i] == '}') {
+                curlyCount--;
+            }
+            else {totalScore += value;}
+        }
+
+        if (bracketCount != 0) {
+            return 0;
+        }
+
+        if (curlyCount != 0) {
+            return 0;
+        }
+
+        return totalScore;
+    }
 }