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Joona tweaks of pawns parameters
Test result after 999 games at 1+0 Mod vs Orig +278 =493 -228 52,50% +17 ELO Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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Marco Costalba
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36c0ab3a50
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d9e3be4790
1 changed files with 37 additions and 37 deletions
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@ -39,93 +39,93 @@ namespace {
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// Doubled pawn penalty by file, middle game.
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const Value DoubledPawnMidgamePenalty[8] = {
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Value(20), Value(30), Value(34), Value(34),
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Value(34), Value(34), Value(30), Value(20)
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Value(13), Value(20), Value(23), Value(23),
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Value(23), Value(23), Value(20), Value(13)
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};
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// Doubled pawn penalty by file, endgame.
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const Value DoubledPawnEndgamePenalty[8] = {
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Value(35), Value(40), Value(40), Value(40),
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Value(40), Value(40), Value(40), Value(35)
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Value(43), Value(48), Value(48), Value(48),
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Value(48), Value(48), Value(48), Value(43)
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};
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// Isolated pawn penalty by file, middle game.
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const Value IsolatedPawnMidgamePenalty[8] = {
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Value(20), Value(30), Value(34), Value(34),
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Value(34), Value(34), Value(30), Value(20)
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Value(25), Value(36), Value(40), Value(40),
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Value(40), Value(40), Value(36), Value(25)
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};
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// Isolated pawn penalty by file, endgame.
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const Value IsolatedPawnEndgamePenalty[8] = {
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Value(35), Value(40), Value(40), Value(40),
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Value(40), Value(40), Value(40), Value(35)
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Value(30), Value(35), Value(35), Value(35),
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Value(35), Value(35), Value(35), Value(30)
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};
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// Backward pawn penalty by file, middle game.
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const Value BackwardPawnMidgamePenalty[8] = {
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Value(16), Value(24), Value(27), Value(27),
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Value(27), Value(27), Value(24), Value(16)
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Value(20), Value(29), Value(33), Value(33),
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Value(33), Value(33), Value(29), Value(20)
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};
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// Backward pawn penalty by file, endgame.
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const Value BackwardPawnEndgamePenalty[8] = {
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Value(28), Value(32), Value(32), Value(32),
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Value(32), Value(32), Value(32), Value(28)
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Value(28), Value(31), Value(31), Value(31),
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Value(31), Value(31), Value(31), Value(28)
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};
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// Pawn chain membership bonus by file, middle game.
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const Value ChainMidgameBonus[8] = {
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Value(14), Value(16), Value(17), Value(18),
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Value(18), Value(17), Value(16), Value(14)
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Value(11), Value(13), Value(13), Value(14),
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Value(14), Value(13), Value(13), Value(11)
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};
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// Pawn chain membership bonus by file, endgame.
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const Value ChainEndgameBonus[8] = {
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Value(16), Value(16), Value(16), Value(16),
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Value(16), Value(16), Value(16), Value(16)
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Value(-1), Value(-1), Value(-1), Value(-1),
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Value(-1), Value(-1), Value(-1), Value(-1)
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};
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// Candidate passed pawn bonus by rank, middle game.
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const Value CandidateMidgameBonus[8] = {
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Value( 0), Value(12), Value(12), Value(20),
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Value(40), Value(90), Value( 0), Value( 0)
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Value( 0), Value( 6), Value(6), Value(14),
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Value(34), Value(83), Value(0), Value( 0)
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};
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// Candidate passed pawn bonus by rank, endgame.
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const Value CandidateEndgameBonus[8] = {
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Value( 0), Value(24), Value(24), Value(40),
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Value(80), Value(180), Value(0), Value( 0)
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Value( 0), Value( 13), Value(13), Value(29),
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Value(68), Value(166), Value( 0), Value( 0)
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};
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// Pawn storm tables for positions with opposite castling:
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const int QStormTable[64] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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-22,-22,-22,-13,-4, 0, 0, 0,
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-4, -9, -9, -9,-4, 0, 0, 0,
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9, 18, 22, 18, 9, 0, 0, 0,
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22, 31, 31, 22, 0, 0, 0, 0,
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31, 40, 40, 31, 0, 0, 0, 0,
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31, 40, 40, 31, 0, 0, 0, 0,
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-22,-22,-22,-14,-6, 0, 0, 0,
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-6,-10,-10,-10,-6, 0, 0, 0,
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4, 12, 16, 12, 4, 0, 0, 0,
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16, 23, 23, 16, 0, 0, 0, 0,
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23, 31, 31, 23, 0, 0, 0, 0,
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23, 31, 31, 23, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0
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};
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const int KStormTable[64] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0,-4,-13,-22,-27,-27,
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0, 0, 0,-4, -9,-13,-18,-18,
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0, 0, 0, 0, 9, 9, 9, 9,
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0, 0, 0, 0, 9, 18, 27, 27,
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0, 0, 0, 0, 9, 27, 40, 36,
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0, 0, 0, 0, 0, 31, 40, 31,
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0, 0, 0, 0, 0, 0, 0, 0
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0,-10,-19,-28,-33,-33,
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0, 0, 0,-10,-15,-19,-24,-24,
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0, 0, 0, 0, 1, 1, 1, 1,
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0, 0, 0, 0, 1, 10, 19, 19,
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0, 0, 0, 0, 1, 19, 31, 27,
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0, 0, 0, 0, 0, 22, 31, 22,
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0, 0, 0, 0, 0, 0, 0, 0
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};
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// Pawn storm open file bonuses by file
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const int16_t KStormOpenFileBonus[8] = { 45, 45, 30, 0, 0, 0, 0, 0 };
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const int16_t QStormOpenFileBonus[8] = { 0, 0, 0, 0, 0, 30, 45, 30 };
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const int16_t KStormOpenFileBonus[8] = { 31, 31, 18, 0, 0, 0, 0, 0 };
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const int16_t QStormOpenFileBonus[8] = { 0, 0, 0, 0, 0, 26, 42, 26 };
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// Pawn storm lever bonuses by file
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const int StormLeverBonus[8] = { 20, 20, 10, 0, 0, 10, 20, 20 };
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const int StormLeverBonus[8] = { -8, -8, -13, 0, 0, -13, -8, -8 };
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}
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