From 55bd27b8f08a151128d7065fa2819aa3e9605299 Mon Sep 17 00:00:00 2001
From: Marco Costalba <mcostalba@gmail.com>
Date: Sat, 20 Oct 2012 11:02:37 +0200
Subject: [PATCH] Contempt factor: use DrawValue also in case of stealmates
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Spotted by Jörg Oster.

No functional change (when contempt factor is not used).
---
 src/search.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/search.cpp b/src/search.cpp
index e3030490..09d272e5 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1023,7 +1023,8 @@ split_point_start: // At split points actual search starts from here
     // If we are in a singular extension search then return a fail low score.
     // A split node has at least one move, the one tried before to be splitted.
     if (!moveCount)
-        return excludedMove ? alpha : inCheck ? mated_in(ss->ply) : VALUE_DRAW;
+        return  excludedMove ? alpha
+              : inCheck ? mated_in(ss->ply) : DrawValue[pos.side_to_move()];
 
     // If we have pruned all the moves without searching return a fail-low score
     if (bestValue == -VALUE_INFINITE)
-- 
2.39.2