From: Marco Costalba <mcostalba@gmail.com>
Date: Tue, 29 Jun 2010 11:05:19 +0000 (+0200)
Subject: Remove a redundant check in passed pawn eval
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=4d170725ab0ea2d219ff402495a1c541e7f75d6c

Remove a redundant check in passed pawn eval

When first condition is met then second one is
always true.

Spotted by Ralph Stoesser.

No functional change.

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

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index d291e46b..7fd0db57 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -861,8 +861,7 @@ namespace {
         // value if the other side has a rook or queen.
         if (square_file(s) == FILE_A || square_file(s) == FILE_H)
         {
-            if (   pos.non_pawn_material(Them) <= KnightValueMidgame
-                && pos.piece_count(Them, KNIGHT) <= 1)
+            if (pos.non_pawn_material(Them) <= KnightValueMidgame)
                 ebonus += ebonus / 4;
             else if (pos.pieces(ROOK, QUEEN, Them))
                 ebonus -= ebonus / 4;