From: David Zar <zardav@gmail.com>
Date: Mon, 14 Jul 2014 10:26:25 +0000 (+0800)
Subject: Bonus passed pawn blocked by our pieces
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=a9b8e8b9318130621acf21f5a2b3a705b63907d3

Bonus passed pawn blocked by our pieces

passed STC:
LLR: 2.95 (-2.94,2.94) [-1.50,4.50]
Total: 63965 W: 10950 L: 10692 D: 42323

and LTC:
LLR: 2.95 (-2.94,2.94) [0.00,6.00]
Total: 19237 W: 2740 L: 2562 D: 13935

bench: 7477963
---

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index b1e26162..5a28b286 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -605,6 +605,8 @@ namespace {
 
                 mbonus += k * rr, ebonus += k * rr;
             }
+            else if(pos.pieces(Us) & blockSq)
+                mbonus += rr * 3 + r * 2 + 3, ebonus += rr + r * 2;
         } // rr != 0
 
         if (pos.count<PAWN>(Us) < pos.count<PAWN>(Them))