From: Ryan Schmitt <ryan.l.schmitt@gmail.com>
Date: Thu, 11 Apr 2013 02:17:13 +0000 (-0700)
Subject: Increase rook/queen on 7th bonus
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=79bcb2ca54aa72bd9e3d1ba1ed1dcb2a4ddf14c9

Increase rook/queen on 7th bonus

Shows an increase at 15+0.05
LLR: 3.01 (-2.94,2.94)
Total: 20450 W: 4091 L: 3927 D: 12432

And at 60+0.05
LLR: 2.97 (-2.94,2.94)
Total: 61432 W: 10849 L: 10441 D: 40142

bench: 4493356

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

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index aeaae07f..e861f5f0 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -156,12 +156,12 @@ namespace {
   const Score Tempo = make_score(24, 11);
 
   // Rooks and queens on the 7th rank
-  const Score RookOn7thBonus  = make_score(3, 20);
-  const Score QueenOn7thBonus = make_score(1,  8);
+  const Score RookOn7thBonus  = make_score(11, 20);
+  const Score QueenOn7thBonus = make_score( 3,  8);
 
   // Rooks and queens attacking pawns on the same rank
-  const Score RookOnPawnBonus  = make_score(3, 48);
-  const Score QueenOnPawnBonus = make_score(1, 40);
+  const Score RookOnPawnBonus  = make_score(10, 28);
+  const Score QueenOnPawnBonus = make_score( 4, 20);
 
   // Rooks on open files (modified by Joona Kiiski)
   const Score RookOpenFileBonus     = make_score(43, 21);