From: Marco Costalba <mcostalba@gmail.com>
Date: Tue, 11 Nov 2008 17:26:15 +0000 (+0100)
Subject: Fix hashfull info
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=4df8651c82cf1a2e18aaf4ddc5e488560a8880a0

Fix hashfull info

Do not count has a replacement when a TT entry is
written in an empty slot.

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

diff --git a/src/tt.cpp b/src/tt.cpp
index e9d8d754..426546ba 100644
--- a/src/tt.cpp
+++ b/src/tt.cpp
@@ -110,13 +110,7 @@ void TranspositionTable::store(const Position &pos, Value v, Depth d,
   tte = replace = first_entry(pos);
   for (int i = 0; i < 4; i++, tte++)
   {
-    if (!tte->key()) // still empty
-    {
-        *tte = TTEntry(pos.get_key(), v, type, d, m, generation);
-        writes++;
-        return;
-    }
-    else if (tte->key() == pos.get_key()) // overwrite old
+    if (!tte->key() || tte->key() == pos.get_key()) // empty or overwrite old
     {
         if (m == MOVE_NONE)
             m = tte->move();