diff --git a/chesspi/chesspi_ai.cpp b/chesspi/chesspi_ai.cpp
index 336a2dd695322c540958c9fb414f0d7d10cab9aa..3389be8fa0986eb164799ef99c0ea412b159e453 100644
--- a/chesspi/chesspi_ai.cpp
+++ b/chesspi/chesspi_ai.cpp
@@ -90,7 +90,7 @@ std::vector<chess_node> build_tree(const chess_node & root, const int side,const
 	tree[0].depth = 0;
 
 	size_t curr_i = 0;
-	size_t max_nodes = 1024*1024*4;
+	size_t max_nodes = 1024*1024*16;
 	while (tree.size()<=max_nodes && curr_i<tree.size())
 	{
 		const size_t ts = tree.size();