From d1c1031332f47cf076d5da0a8a161dbb8210a0b6 Mon Sep 17 00:00:00 2001
From: Loic Guegan <manzerbredes@mailbox.org>
Date: Mon, 2 Jan 2023 11:44:11 +0100
Subject: [PATCH] Debug

---
 src/game_tab/HalfMove.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/game_tab/HalfMove.cpp b/src/game_tab/HalfMove.cpp
index ae63527..32924e1 100644
--- a/src/game_tab/HalfMove.cpp
+++ b/src/game_tab/HalfMove.cpp
@@ -193,6 +193,8 @@ bool HalfMove::HasParent(HalfMove*m){
 }
 
 bool HalfMove::HasChild(HalfMove*m){
+  if(m==nullptr)
+    return false;
   if(mainline==m){
     return true;
   }