From: Marco Costalba <mcostalba@gmail.com>
Date: Tue, 16 Dec 2008 15:30:31 +0000 (+0100)
Subject: qsearch: take in account enpassant in futility formula
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=725c504a5fcb4cd516f2ce0d1da29058548d070c

qsearch: take in account enpassant in futility formula

Should not change anything at ELO level but it is
the correct thing to do.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
---

diff --git a/src/search.cpp b/src/search.cpp
index 71aea553..72bf6e81 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1487,6 +1487,7 @@ namespace {
           Value futilityValue = staticValue
                               + Max(pos.midgame_value_of_piece_on(move_to(move)),
                                     pos.endgame_value_of_piece_on(move_to(move)))
+                              + (move_is_ep(move) ? PawnValueEndgame : Value(0))
                               + FutilityMargin0
                               + ei.futilityMargin;