From: snicolet <cassio@free.fr>
Date: Fri, 20 Feb 2015 19:56:57 +0000 (+0000)
Subject: Mobile phalanxes
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=2f465927363e3e753dfb65d67f9b126afc34f4fa;hp=667f35073773653ef8d05260536516fffb2d3faa

Mobile phalanxes

Try to create mobile phalanxes

STC:
LLR: 2.97 (-2.94,2.94) [-1.50,4.50]
Total: 52393 W: 10912 L: 10656 D: 30825

LTC:
LLR: 2.96 (-2.94,2.94) [0.00,6.00]
Total: 30398 W: 5315 L: 5063 D: 20020

Bench: 8253813

Resolves #261
---

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 7ff7dfc1..8c5ecc36 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -163,7 +163,7 @@ namespace {
   const Score Unstoppable        = S( 0, 20);
   const Score Hanging            = S(31, 26);
   const Score PawnAttackThreat   = S(20, 20);
-  const Score PawnSafePush       = S( 5 , 5);
+  const Score PawnSafePush       = S( 5,  5);
 
   // Penalty for a bishop on a1/h1 (a8/h8 for black) which is trapped by
   // a friendly pawn on b2/g2 (b7/g7 for black). This can obviously only
diff --git a/src/pawns.cpp b/src/pawns.cpp
index d66233ca..41c9e15d 100644
--- a/src/pawns.cpp
+++ b/src/pawns.cpp
@@ -227,7 +227,8 @@ void init()
           for (Rank r = RANK_2; r < RANK_8; ++r)
           {
               int bonus = Seed[r] + (phalanx ? (Seed[r + 1] - Seed[r]) / 2 : 0);
-              Connected[opposed][phalanx][r] = make_score(bonus / 2, bonus >> opposed);
+              bonus >>= opposed;
+              Connected[opposed][phalanx][r] = make_score( 3 * bonus / 2, bonus);
           }
 }