diff --git a/src/bracketzada.test.ts b/src/bracketzada.test.ts
index b2feb60..099470d 100644
--- a/src/bracketzada.test.ts
+++ b/src/bracketzada.test.ts
@@ -1,8 +1,30 @@
-import {assert} from 'chai';
-describe('Array', function() {
-  describe('#indexOf()', function() {
-    it('should return -1 when the value is not present', function() {
-      assert.equal([1,2,3].indexOf(4), -1);
+import {expect} from 'chai';
+import {Tournament, Player} from './bracketzada.js';
+describe('Teste do teste', function() {
+  describe('_generateGraph', function() {
+    it('Deve retornar um array com os nós conectados corretamente.', function() {
+      let players = [
+        new Player('a', 0),
+        new Player('a', 1),
+        new Player('a', 2),
+        new Player('a', 3),
+        new Player('a', 4),
+        new Player('a', 5),
+        new Player('a', 6),
+        new Player('a', 7),
+        new Player('a', 0),
+        new Player('a', 1),
+        new Player('a', 2),
+        new Player('a', 3),
+        new Player('a', 4),
+        new Player('a', 5),
+        new Player('a', 6),
+        new Player('a', 7),
+      ]
+
+      let champ = new Tournament(players);
+      let graph = champ.generateBrackets();
+      //expect(graph[0].idParent).equals("Kappa");
     });
   });
 });
\ No newline at end of file
diff --git a/src/bracketzada.ts b/src/bracketzada.ts
index e69de29..2be7f15 100644
--- a/src/bracketzada.ts
+++ b/src/bracketzada.ts
@@ -0,0 +1,85 @@
+export class Player {
+  public id: number;
+  public name: string;
+
+  constructor(name: string, id: number) {
+    this.id = id;
+    this.name = name;
+  }
+}
+
+class Node {
+  public id: number;
+  public idChilden: any;
+  public playerLeft: any;
+  public playerRight: any;
+
+  constructor(id: number, idChilden?: Array<number>, playerLeft?: Player, playerRight?: Player) {
+    this.id = id;
+    this.idChilden = idChilden;
+    this.playerLeft = playerLeft;
+    this.playerRight = playerRight;
+  }
+
+  public addParent(ids: Array<number>) {
+    this.idChilden = ids;
+  }
+
+  public addPlayerLeft(player: Player) {
+    this.playerLeft = player;
+  }
+
+  public addPlayerRight(player: Player) {
+    this.playerRight = player;
+  }
+}
+
+class NodeWinner extends Node {
+  public playerWinner: any;
+
+  constructor(id: number, idChilden?: Array<number>, winner?: Player) {
+    super(id, idChilden);
+    this.playerWinner = winner;
+  }
+}
+
+export class Tournament {
+  public name: any;
+  public players: Array<Player>;
+
+  constructor(players: Array<Player>, name?: string) {
+    this.name = name || 'Bracketzada Tournament';
+    this.players = players;
+  }
+
+  private _numberNodes(numberPlayers: number) : number {
+    return Math.pow(2, Math.ceil(Math.log2(numberPlayers)));
+  }
+
+  private _generateGraph(numNodes: number) {
+    let graph = [];
+
+    //Winner Node
+    graph.push(new NodeWinner(0, [1]));
+
+    let actualParent = 1;
+    for (let i = 1; i < numNodes; i++) {
+      graph.push(
+        new Node(i, [actualParent, actualParent+1])
+      )
+    }
+
+    //this._setPlayers(graph, this.players);
+
+  }
+
+  private _setPlayers(graph: Array<Node>, players: Array<Player>) {
+
+  }
+
+  public generateBrackets() {
+    let numNodes = this._numberNodes(this.players.length);
+    let graph = this._generateGraph(numNodes);
+
+  }
+}
\ No newline at end of file