diff --git a/include/BitBoard.h b/include/BitBoard.h
index c7a265e..f360b92 100644
--- a/include/BitBoard.h
+++ b/include/BitBoard.h
@@ -43,6 +43,8 @@ class BitBoard
   uint32_t m_blackPieces = 0x41C71C3;
   uint32_t m_whitePieces = 0xE3820C38;
   uint32_t m_kings = 0;
+  
+  bool m_isBlacksTurn = true;
 
   //  static constexpr uint32_t rowMask[8];
   /* Class member functions */