From cb356f25b3c9e6101c306dc53f3f8446e28984a3 Mon Sep 17 00:00:00 2001
From: Fabian Fichter <ianfab@users.noreply.github.com>
Date: Sat, 27 Feb 2021 11:26:02 +0100
Subject: [PATCH] Fix assertion for atomic

No functional change.
---
 src/position.cpp |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/position.cpp b/src/position.cpp
index 065f34e..332aadf 100644
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -1752,6 +1752,8 @@ void Position::undo_move(Move m) {
                                                                                : ~unpromotedBpc);
           }
       }
+      // Reset piece since it exploded itself
+      pc = piece_on(to);
   }
 
   // Remove gated piece
-- 
1.7.0.4