From 3cf3ad2159d0c8c6bfd378cc8eaaf657455a02cc Mon Sep 17 00:00:00 2001
From: dstuck <stuck.dominik@gmail.com>
Date: Wed, 18 Jun 2025 04:42:46 +0200
Subject: [PATCH] fix duplicates bug

---
 src/main/java/de/mannheim/th/chess/domain/Game.java | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/main/java/de/mannheim/th/chess/domain/Game.java b/src/main/java/de/mannheim/th/chess/domain/Game.java
index 63e9bf5..0375307 100644
--- a/src/main/java/de/mannheim/th/chess/domain/Game.java
+++ b/src/main/java/de/mannheim/th/chess/domain/Game.java
@@ -105,12 +105,25 @@ public class Game {
 
   }
 
+  /**
+   * Retrieves a list of all legal moveable squares from the current board state.
+   * 
+   * @return a List of Square objects representing all legal moveable squares.
+   */
   public List<Square> getAllLegalMoveableSquares() {
     return this.board.legalMoves().stream()
         .map(move -> move.getFrom())
+        .distinct()
         .collect(Collectors.toList());
   }
 
+  /**
+   * Retrieves a list of legal moveable squares for a given square.
+   * 
+   * @param square the Square from which to retrieve legal moveable squares
+   * @return a List of Square objects representing the legal moveable squares
+   *         from the specified square.
+   */
   public List<Square> getLegalMoveableSquares(Square square) {
     return this.board.legalMoves().stream()
         .filter(move -> move.getFrom() == square)