From: Marco Costalba <mcostalba@gmail.com>
Date: Sun, 20 Sep 2009 18:39:54 +0000 (+0100)
Subject: Revert evaluation drift
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=e145c0d3e278fb601db49cc16076f10a30b60f19;hp=24cc3a97a480afdd5587ab9b2d75c1426acc3133

Revert evaluation drift

Still not clear if it helps and, especially, how it
helps. So revert for now to avoid any influence on
future feature now under test.

With this patch we come back to be functional
equivalent to patch e33c94883 F_53.

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

diff --git a/src/search.cpp b/src/search.cpp
index 06cc9b60..0c9f1ee7 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1540,10 +1540,10 @@ namespace {
         // Use the cached evaluation score if possible
         assert(ei.futilityMargin == Value(0));
 
-        staticValue = tte->value() + 7;
+        staticValue = tte->value();
     }
     else
-        staticValue = evaluate(pos, ei, threadID) + 7;
+        staticValue = evaluate(pos, ei, threadID);
 
     if (ply == PLY_MAX - 1)
         return evaluate(pos, ei, threadID);