From 8b3fdec7ecf330968dae2339e5c1b9a664bda51d Mon Sep 17 00:00:00 2001
From: Joona Kiiski <joona.kiiski@gmail.com>
Date: Sun, 22 Nov 2009 16:50:44 +0200
Subject: [PATCH 1/1] Always extend full ply in PV

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
---
 src/search.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/search.cpp b/src/search.cpp
index ab34a845..7efb3928 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1154,7 +1154,7 @@ namespace {
           {
               Value excValue = search(pos, ss, ttValue - OnlyMoveMargin, Max(Min(depth / 2,  depth - 4 * OnePly), OnePly), ply, false, threadID, tte->move());
               if (excValue < ttValue - OnlyMoveMargin)
-                  ext = (depth >= 8 * OnePly)? OnePly : ext + OnePly / 2;
+                  ext = OnePly;
           }
       }
 
-- 
2.39.2