src/psqtab.h

   1 /*
   2   Glaurung, a UCI chess playing engine.
   3   Copyright (C) 2004-2008 Tord Romstad
   4
   5   Glaurung is free software: you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published by
   7   the Free Software Foundation, either version 3 of the License, or
   8   (at your option) any later version.
   9
  10   Glaurung is distributed in the hope that it will be useful,
  11   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13   GNU General Public License for more details.
  14
  15   You should have received a copy of the GNU General Public License
  16   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19
  20 #if !defined(PSQTAB_H_INCLUDED)
  21 #define PSQTAB_H_INCLUDED
  22
  23 ////
  24 //// Includes
  25 ////
  26
  27 #include "position.h"
  28 #include "value.h"
  29
  30
  31 ////
  32 //// Variables
  33 ////
  34
  35 static const Value MP = PawnValueMidgame;
  36 static const Value MK = KnightValueMidgame;
  37 static const Value MB = BishopValueMidgame;
  38 static const Value MR = RookValueMidgame;
  39 static const Value MQ = QueenValueMidgame;
  40
  41 static const int MgPST[][64] = {
  42   { },
  43   {// Pawn
  44    // A      B      C      D      E      F      G      H
  45         0,     0,     0,     0,     0,     0,     0,     0,
  46     MP-38, MP-12, MP- 0, MP+12, MP+12, MP- 0, MP-12, MP-38,
  47     MP-38, MP-12, MP+ 6, MP+38, MP+38, MP+ 6, MP-12, MP-38,
  48     MP-38, MP-12, MP+16, MP+64, MP+64, MP+16, MP-12, MP-38,
  49     MP-38, MP-12, MP+16, MP+38, MP+38, MP+16, MP-12, MP-38,
  50     MP-38, MP-12, MP+ 6, MP+12, MP+12, MP+ 6, MP-12, MP-38,
  51     MP-38, MP-12, MP- 0, MP+12, MP+12, MP- 0, MP-12, MP-38,
  52         0,     0,     0,     0,     0,     0,     0,     0
  53   },
  54   {// Knight
  55    //  A      B       C      D      E      F      G       H
  56     MK-128, MK-102, MK-76, MK-64, MK-64, MK-76, MK-102, MK-128,
  57     MK- 89, MK- 64, MK-38, MK-25, MK-25, MK-38, MK- 64, MK- 89,
  58     MK- 51, MK- 25, MK- 0, MK+12, MK+12, MK- 0, MK- 25, MK- 51,
  59     MK- 25, MK-  0, MK+25, MK+38, MK+38, MK+25, MK-  0, MK- 25,
  60     MK- 12, MK+ 12, MK+38, MK+51, MK+51, MK+38, MK+ 12, MK- 12,
  61     MK- 12, MK+ 12, MK+38, MK+51, MK+51, MK+38, MK+ 12, MK- 12,
  62     MK- 51, MK- 25, MK- 0, MK+12, MK+12, MK- 0, MK- 25, MK- 51,
  63     MK-182, MK- 64, MK-38, MK-25, MK-25, MK-38, MK- 64, MK-182
  64   },
  65   {// Bishop
  66    // A      B      C      D      E      F      G      H
  67     MB-46, MB-46, MB-40, MB-35, MB-35, MB-40, MB-46, MB-46,
  68     MB-20, MB- 0, MB- 5, MB- 0, MB- 0, MB- 5, MB- 0, MB-20,
  69     MB-15, MB- 5, MB+10, MB+ 5, MB+ 5, MB+10, MB- 5, MB-15,
  70     MB-10, MB- 0, MB+ 5, MB+20, MB+20, MB+ 5, MB- 0, MB-10,
  71     MB-10, MB- 0, MB+ 5, MB+20, MB+20, MB+ 5, MB- 0, MB-10,
  72     MB-15, MB- 5, MB+10, MB+ 5, MB+ 5, MB+10, MB- 5, MB-15,
  73     MB-20, MB- 0, MB- 5, MB- 0, MB- 0, MB- 5, MB- 0, MB-20,
  74     MB-20, MB-20, MB-15, MB-10, MB-10, MB-15, MB-20, MB-20
  75   },
  76   {// Rook
  77    // A      B      C     D     E     F     G      H
  78     MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18,
  79     MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18,
  80     MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18,
  81     MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18,
  82     MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18,
  83     MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18,
  84     MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18,
  85     MR-18, MR-10, MR-3, MR+4, MR+4, MR-3, MR-10, MR-18
  86   },
  87   {// Queen
  88    //A   B   C   D   E   F   G   H
  89     MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ,
  90     MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ,
  91     MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ,
  92     MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ,
  93     MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ,
  94     MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ,
  95     MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ,
  96     MQ, MQ, MQ, MQ, MQ, MQ, MQ, MQ
  97   },
  98   {// King
  99    //A    B    C    D    E    F    G    H
 100     302, 328, 276, 225, 225, 276, 328, 302,
 101     276, 302, 251, 200, 200, 251, 302, 276,
 102     225, 251, 200, 149, 149, 200, 251, 225,
 103     200, 225, 175, 124, 124, 175, 225, 200,
 104     175, 200, 149,  98,  98, 149, 200, 175,
 105     149, 175, 124,  72,  72, 124, 175, 149,
 106     124, 149,  98,  47,  47,  98, 149, 124,
 107      98, 124,  72,  21,  21,  72, 124,  98
 108   }
 109 };
 110
 111 static const Value EP = PawnValueEndgame;
 112 static const Value EK = KnightValueEndgame;
 113 static const Value EB = BishopValueEndgame;
 114 static const Value ER = RookValueEndgame;
 115 static const Value EQ = QueenValueEndgame;
 116
 117 static const int EgPST[][64] = {
 118   { },
 119   {// Pawn
 120    //A   B   C   D   E   F   G   H
 121      0,  0,  0,  0,  0,  0,  0,  0,
 122     EP, EP, EP, EP, EP, EP, EP, EP,
 123     EP, EP, EP, EP, EP, EP, EP, EP,
 124     EP, EP, EP, EP, EP, EP, EP, EP,
 125     EP, EP, EP, EP, EP, EP, EP, EP,
 126     EP, EP, EP, EP, EP, EP, EP, EP,
 127     EP, EP, EP, EP, EP, EP, EP, EP,
 128      0,  0,  0,  0,  0,  0,  0,  0
 129   },
 130   {// Knight
 131    // A       B      C      D      E      F      G      H
 132     EK-102, EK-76, EK-51, EK-38, EK-38, EK-51, EK-76, EK-102,
 133     EK- 76, EK-51, EK-25, EK-12, EK-12, EK-25, EK-51, EK-76,
 134     EK- 51, EK-25, EK- 0, EK+12, EK+12, EK- 0, EK-25, EK-51,
 135     EK- 38, EK-12, EK+12, EK+25, EK+25, EK+12, EK-12, EK-38,
 136     EK- 38, EK-12, EK+12, EK+25, EK+25, EK+12, EK-12, EK-38,
 137     EK- 51, EK-25, EK- 0, EK+12, EK+12, EK- 0, EK-25, EK-51,
 138     EK- 76, EK-51, EK-25, EK-12, EK-12, EK-25, EK-51, EK-76,
 139     EK-102, EK-76, EK-51, EK-38, EK-38, EK-51, EK-76, EK-102
 140   },
 141   {// Bishop
 142    // A      B      C      D      E      F      G      H
 143     EB-46, EB-30, EB-23, EB-15, EB-15, EB-23, EB-30, EB-46,
 144     EB-30, EB-15, EB- 7, EB- 0, EB- 0, EB- 7, EB-15, EB-30,
 145     EB-23, EB- 7, EB- 0, EB+ 7, EB+ 7, EB- 0, EB- 7, EB-23,
 146     EB-15, EB- 0, EB+ 7, EB+15, EB+15, EB+ 7, EB- 0, EB-15,
 147     EB-15, EB- 0, EB+ 7, EB+15, EB+15, EB+ 7, EB- 0, EB-15,
 148     EB-23, EB- 7, EB- 0, EB+ 7, EB+ 7, EB- 0, EB- 7, EB-23,
 149     EB-30, EB-15, EB- 7, EB- 0, EB- 0, EB- 7, EB-15, EB-30,
 150     EB-46, EB-30, EB-23, EB-15, EB-15, EB-23, EB-30, EB-46
 151   },
 152   {// Rook
 153    // A     B     C     D     E     F     G     H
 154     ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3,
 155     ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3,
 156     ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3,
 157     ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3,
 158     ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3,
 159     ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3,
 160     ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3,
 161     ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3, ER-3
 162   },
 163   {// Queen
 164    // A      B      C      D      E      F      G      H
 165     EQ-61, EQ-40, EQ-30, EQ-20, EQ-20, EQ-30, EQ-40, EQ-61,
 166     EQ-40, EQ-20, EQ-10, EQ- 0, EQ- 0, EQ-10, EQ-20, EQ-40,
 167     EQ-30, EQ-10, EQ- 0, EQ+10, EQ+10, EQ- 0, EQ-10, EQ-30,
 168     EQ-20, EQ- 0, EQ+10, EQ+20, EQ+20, EQ+10, EQ- 0, EQ-20,
 169     EQ-20, EQ- 0, EQ+10, EQ+20, EQ+20, EQ+10, EQ- 0, EQ-20,
 170     EQ-30, EQ-10, EQ- 0, EQ+10, EQ+10, EQ- 0, EQ-10, EQ-30,
 171     EQ-40, EQ-20, EQ-10, EQ- 0, EQ- 0, EQ-10, EQ-20, EQ-40,
 172     EQ-61, EQ-40, EQ-30, EQ-20, EQ-20, EQ-30, EQ-40, EQ-61
 173   },
 174   {// King
 175    //A    B    C    D    E    F    G    H
 176      16,  78, 108, 139, 139, 108,  78,  16,
 177      78, 139, 170, 200, 200, 170, 139,  78,
 178     108, 170, 200, 230, 230, 200, 170, 108,
 179     139, 200, 230, 261, 261, 230, 200, 139,
 180     139, 200, 230, 261, 261, 230, 200, 139,
 181     108, 170, 200, 230, 230, 200, 170, 108,
 182      78, 139, 170, 200, 200, 170, 139,  78,
 183      16,  78, 108, 139, 139, 108,  78,  16
 184   }
 185 };
 186
 187
 188 #endif // !defined(PSQTAB_H_INCLUDED)