From a56dca0165b060025669c8bc9cfb97df2a1623de Mon Sep 17 00:00:00 2001
From: Sebastian Lague <sebastlague@gmail.com>
Date: Sun, 23 Jul 2023 19:42:40 +0200
Subject: [PATCH] Fix warning in board class

---
 Chess-Challenge/src/Framework/Chess/Board/Board.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Chess-Challenge/src/Framework/Chess/Board/Board.cs b/Chess-Challenge/src/Framework/Chess/Board/Board.cs
index 3d1daef..bb6d906 100644
--- a/Chess-Challenge/src/Framework/Chess/Board/Board.cs
+++ b/Chess-Challenge/src/Framework/Chess/Board/Board.cs
@@ -68,7 +68,7 @@ namespace ChessChallenge.Chess
 
 
 
-        public Board(Board source = null)
+        public Board(Board? source = null)
         {
             if (source != null)
             {