From 8efbb2b82a8c8be77b417f72fbb2b892d429fe8c Mon Sep 17 00:00:00 2001
From: Fabian Fichter <ianfab@users.noreply.github.com>
Date: Fri, 28 Feb 2020 18:46:42 +0100
Subject: [PATCH] Fix queen check danger

---
 src/evaluate.cpp |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 85d5107..dce81a0 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -494,6 +494,7 @@ namespace {
             // which we can't give a rook check, because rook checks are more valuable.
             queenChecks = (b1 | b2)
                         & get_attacks(Them, QUEEN)
+                        & pos.board_bb()
                         & safe
                         & ~attackedBy[Us][QUEEN]
                         & ~(b1 & attackedBy[Them][ROOK]);
-- 
1.7.0.4