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Apr 5th, 2023
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  1. #pragma once
  2. #include "move_generation/types.h"
  3. #include "types.h"
  4.  
  5. //
  6. // Created by Archishmaan Peyyety on 1/10/23.
  7. //
  8.  
  9. // If this is updated be sure compute_game_phase loop is also updated. Currently only checks non-zeros.
  10. constexpr int GAME_PHASE_BONUS[NPIECE_TYPES] = {
  11. 0, 1, 1, 2, 4, 0
  12. };
  13.  
  14. constexpr Score PIECE_VALUES[] = {
  15. S(95, 107), S(436, 364), S(448, 375), S(605, 706), S(1388, 1311), S(0, 0)
  16. };
  17. constexpr Score PAWN_TABLE[] = {
  18. S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0),
  19. S(100, 153), S(74, 155), S(50, 152), S(72, 132), S(35, 138), S(64, 140), S(-8, 174), S(32, 170),
  20. S(-13, 51), S(-5, 36), S(17, 40), S(49, 0), S(59, 55), S(94, 15), S(26, 33), S(17, 44),
  21. S(-8, 21), S(-2, 14), S(7, 15), S(33, -13), S(25, 7), S(38, 14), S(5, 17), S(-4, 24),
  22. S(-12, 14), S(-11, 14), S(9, 3), S(24, 1), S(22, 6), S(24, 0), S(3, 5), S(-8, 5),
  23. S(-12, 2), S(-18, 8), S(0, 7), S(9, 7), S(12, 22), S(-5, 20), S(-8, 5), S(-24, 4),
  24. S(-11, 12), S(-7, 9), S(-8, 26), S(4, 13), S(2, 36), S(10, 29), S(6, 8), S(-31, 2),
  25. S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0)
  26. };
  27. constexpr Score KNIGHT_TABLE[] = {
  28. S(-207, -12), S(-139, 17), S(-67, 39), S(-6, 12), S(98, 8), S(-137, 31), S(-41, -17), S(-127, -65),
  29. S(-26, 13), S(-37, 31), S(65, 16), S(29, 50), S(21, 44), S(82, 4), S(-15, 25), S(-8, 1),
  30. S(-26, 11), S(48, 22), S(49, 62), S(79, 61), S(99, 39), S(122, 41), S(67, 19), S(51, -10),
  31. S(29, 22), S(39, 41), S(46, 67), S(78, 68), S(46, 75), S(75, 69), S(38, 46), S(52, 25),
  32. S(14, 28), S(19, 31), S(40, 60), S(49, 68), S(59, 63), S(49, 61), S(73, 34), S(25, 37),
  33. S(-7, -4), S(13, 23), S(31, 24), S(33, 54), S(51, 38), S(43, 16), S(38, 0), S(6, 22),
  34. S(-16, -13), S(-5, 8), S(15, 12), S(35, 28), S(34, 37), S(33, 5), S(14, 24), S(32, -16),
  35. S(-96, 5), S(12, -8), S(-15, 15), S(4, 29), S(30, 10), S(17, 19), S(12, 6), S(-19, -33)
  36. };
  37. constexpr Score BISHOP_TABLE[] = {
  38. S(-27, 28), S(13, 25), S(-102, 48), S(-56, 40), S(-52, 47), S(-82, 38), S(6, 28), S(14, 21),
  39. S(-30, 43), S(24, 27), S(6, 40), S(-26, 39), S(30, 35), S(49, 27), S(11, 33), S(-30, 37),
  40. S(16, 29), S(34, 28), S(64, 26), S(33, 31), S(57, 25), S(71, 38), S(74, 32), S(27, 40),
  41. S(-6, 34), S(35, 35), S(18, 46), S(76, 37), S(55, 38), S(59, 34), S(40, 46), S(13, 45),
  42. S(9, 27), S(18, 35), S(30, 44), S(57, 44), S(65, 34), S(25, 38), S(19, 27), S(47, 14),
  43. S(23, 18), S(36, 34), S(33, 36), S(33, 37), S(31, 47), S(41, 31), S(32, 23), S(43, 14),
  44. S(37, 10), S(42, 9), S(39, 19), S(23, 32), S(31, 29), S(30, 10), S(60, 29), S(25, 4),
  45. S(43, 3), S(45, 21), S(18, 50), S(20, 27), S(6, 33), S(12, 44), S(12, 27), S(20, 3)
  46. };
  47. constexpr Score ROOK_TABLE[] = {
  48. S(25, 54), S(30, 53), S(-9, 63), S(4, 58), S(39, 52), S(6, 55), S(34, 46), S(60, 46),
  49. S(6, 57), S(10, 58), S(31, 52), S(41, 54), S(66, 36), S(92, 27), S(30, 48), S(50, 40),
  50. S(-12, 52), S(24, 45), S(34, 45), S(42, 42), S(62, 28), S(99, 26), S(144, 8), S(48, 26),
  51. S(-10, 48), S(3, 44), S(24, 47), S(45, 37), S(28, 44), S(49, 41), S(28, 35), S(7, 43),
  52. S(-25, 46), S(-22, 49), S(-12, 48), S(-2, 44), S(6, 41), S(20, 28), S(44, 26), S(1, 28),
  53. S(-29, 30), S(-18, 36), S(-14, 28), S(-10, 31), S(-6, 32), S(15, 20), S(31, 18), S(4, 11),
  54. S(-37, 27), S(-11, 20), S(-17, 33), S(-9, 27), S(4, 24), S(15, 15), S(21, 9), S(-56, 30),
  55. S(-9, 34), S(-8, 31), S(-6, 32), S(6, 23), S(6, 23), S(12, 25), S(-4, 24), S(5, 12)
  56. };
  57. constexpr Score QUEEN_TABLE[] = {
  58. S(-12, -15), S(-27, 42), S(-16, 44), S(16, 10), S(74, 18), S(64, 11), S(77, 2), S(75, 4),
  59. S(-10, 13), S(-48, 41), S(-17, 57), S(-9, 62), S(-30, 86), S(31, 61), S(7, 64), S(63, 13),
  60. S(-1, 2), S(-1, 14), S(6, 21), S(-32, 93), S(-5, 89), S(97, 41), S(98, 19), S(18, 78),
  61. S(-8, 4), S(-8, 37), S(-15, 52), S(-14, 69), S(-5, 90), S(27, 65), S(31, 85), S(16, 89),
  62. S(4, -12), S(1, 34), S(12, 18), S(-1, 65), S(12, 44), S(20, 59), S(31, 52), S(26, 21),
  63. S(-11, 0), S(32, -50), S(20, 2), S(12, -5), S(18, 10), S(24, 11), S(42, -7), S(20, 27),
  64. S(-17, -7), S(19, -54), S(34, -56), S(22, -16), S(31, -33), S(34, -52), S(35, -69), S(4, -33),
  65. S(11, -36), S(-6, -33), S(10, -35), S(22, -2), S(10, -35), S(2, -55), S(17, -59), S(-16, -71)
  66. };
  67. constexpr Score KING_TABLE[] = {
  68. S(-108, -101), S(192, -85), S(192, -63), S(120, -57), S(-134, 1), S(-86, 24), S(119, -27), S(2, -38),
  69. S(184, -66), S(109, 4), S(103, 6), S(119, -1), S(70, 12), S(99, 19), S(4, 34), S(-174, 22),
  70. S(45, -2), S(115, 12), S(126, 20), S(50, 17), S(92, 10), S(146, 38), S(182, 29), S(-26, 10),
  71. S(-1, -12), S(52, 19), S(30, 34), S(17, 41), S(-18, 39), S(31, 32), S(15, 27), S(-118, 14),
  72. S(-91, -13), S(78, -17), S(3, 24), S(-42, 46), S(-44, 43), S(-30, 27), S(-31, 11), S(-98, -7),
  73. S(-30, -25), S(-11, 1), S(-28, 17), S(-40, 33), S(-34, 32), S(-28, 16), S(-15, 2), S(-43, -19),
  74. S(-25, -30), S(-38, -9), S(-20, 9), S(-74, 23), S(-47, 19), S(-42, 13), S(-42, 2), S(-36, -26),
  75. S(-53, -79), S(-13, -48), S(-54, -11), S(-71, -5), S(-79, -9), S(-41, -16), S(-24, -31), S(-32, -77)
  76. };
  77. constexpr Score OPEN_FILE_BONUS[] = {
  78. S(0, 0), S(0, 0), S(0, 0), S(44, 1), S(-10, 31), S(-61, -1)
  79. };
  80. constexpr Score SEMI_OPEN_FILE_BONUS[] = {
  81. S(0, 0), S(0, 0), S(0, 0), S(16, 9), S(-2, 28), S(-27, 12)
  82. };
  83. constexpr Score PAWN_PROTECTION[] = {
  84. S(4, 2), S(1, 19), S(2, 16), S(0, 0), S(0, 0), S(0, 0)
  85. };
  86. constexpr Score ATTACKED_BY_PAWN[] = {
  87. S(0, 0), S(-52, -15), S(-60, -42), S(-94, 23), S(-63, 16), S(0, 0)
  88. };
  89. constexpr Score KING_RING_ATTACK_BONUS[] = {
  90. S(20, -12), S(31, -11), S(20, -5), S(34, -9), S(31, 7), S(0, 0)
  91. };
  92. constexpr Score CHECK_BONUS[] = {
  93. S(232, -18), S(106, -1), S(65, 48), S(124, -16), S(66, 74), S(0, 0)
  94. };
  95. constexpr Score KING_PAWN_SHIELD[] = {
  96. S(40, -13), S(32, -9)
  97. };
  98. constexpr Score PASSED_PAWN_BONUS[] = {
  99. S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0),
  100. S(100, 153), S(74, 155), S(50, 152), S(72, 132), S(35, 138), S(64, 140), S(-8, 174), S(32, 170),
  101. S(70, 187), S(51, 198), S(50, 153), S(19, 165), S(15, 92), S(-14, 157), S(-16, 177), S(5, 177),
  102. S(23, 112), S(14, 101), S(9, 85), S(1, 84), S(3, 66), S(22, 66), S(-13, 100), S(4, 86),
  103. S(11, 59), S(-5, 58), S(-29, 52), S(-19, 43), S(-17, 45), S(-49, 54), S(-14, 65), S(-1, 56),
  104. S(0, 24), S(-21, 36), S(-17, 23), S(-41, 28), S(-15, 14), S(7, 7), S(24, 25), S(31, 17),
  105. S(-4, 20), S(13, 19), S(-3, 8), S(-13, 24), S(-36, 16), S(6, 2), S(27, 11), S(-6, 28),
  106. S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0)
  107. };
  108. constexpr Score BLOCKED_PASSED_PAWN_PENALTY[] = {
  109. S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0),
  110. S(16, -133), S(113, -179), S(81, -166), S(144, -215), S(152, -188), S(130, -249), S(79, -282), S(1, -219),
  111. S(3, -115), S(49, -152), S(24, -125), S(22, -121), S(10, -102), S(113, -146), S(-7, -148), S(-61, -143),
  112. S(40, -69), S(7, -66), S(13, -68), S(1, -44), S(-15, -41), S(-12, -65), S(7, -73), S(18, -87),
  113. S(22, -23), S(-8, -32), S(-23, -28), S(11, -33), S(-6, -32), S(43, -44), S(-94, -33), S(4, -29),
  114. S(-4, -2), S(8, -13), S(-58, 7), S(16, -48), S(-20, -9), S(33, -17), S(-49, 37), S(-51, -6),
  115. S(9, -36), S(0, -15), S(-19, 18), S(-51, -31), S(91, -159), S(32, -28), S(-61, 8), S(39, -33),
  116. S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0), S(0, 0)
  117. };
  118. constexpr Score ISOLATED_PAWN_PENALTY = S(-16, -12);
  119. constexpr Score DOUBLED_PAWN_PENALTY = S(-16, -24);
  120. constexpr Score BISHOP_PAIR_BONUS = S(28, 76);
  121. constexpr Score KNIGHT_MOBILITY[] = {
  122. S(-41, -0), S(-18, -10), S(-6, -13), S(-2, -2), S(6, 2), S(10, 12), S(19, 11), S(24, 8),
  123. S(43, -13)
  124. };
  125. constexpr Score BISHOP_MOBILITY[] = {
  126. S(-38, 5), S(-19, -31), S(-8, -21), S(1, -7), S(11, 1), S(16, 13), S(19, 23), S(17, 28),
  127. S(25, 31), S(27, 30), S(33, 30), S(54, 25), S(36, 42), S(90, 16)
  128. };
  129. constexpr Score ROOK_MOBILITY[] = {
  130. S(-39, -40), S(-21, -36), S(-17, -25), S(-7, -33), S(-5, -13), S(-11, 6), S(-3, 4), S(2, 7),
  131. S(8, 14), S(16, 19), S(18, 22), S(25, 29), S(34, 28), S(30, 25), S(67, 13)
  132. };
  133. constexpr Score QUEEN_MOBILITY[] = {
  134. S(-111, -1), S(-17, -78), S(-30, 30), S(-30, -33), S(-32, 41), S(-27, 5), S(-26, 4), S(-24, 4),
  135. S(-22, -7), S(-17, -13), S(-16, -1), S(-17, 11), S(-13, 11), S(-10, 17), S(-8, 17), S(-10, 28),
  136. S(-11, 31), S(-2, 26), S(-7, 37), S(3, 28), S(36, -0), S(19, 19), S(-8, 33), S(51, 15),
  137. S(52, -4), S(113, -48), S(65, -32), S(297, -150)
  138. };
  139.  
  140. template<Color color, PieceType piece_type>
  141. constexpr Score read_psqt(Square square) {
  142. if (color == WHITE) square = ~square;
  143. switch (piece_type) {
  144. case PAWN: return PAWN_TABLE[square];
  145. case KNIGHT: return KNIGHT_TABLE[square];
  146. case BISHOP: return BISHOP_TABLE[square];
  147. case ROOK: return ROOK_TABLE[square];
  148. case QUEEN: return QUEEN_TABLE[square];
  149. case KING: return KING_TABLE[square];
  150. default: return {};
  151. }
  152. }
  153.  
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