From: IIvec Date: Mon, 8 May 2017 03:56:04 +0000 (-0700) Subject: King safety and rook mobility parameters tweak X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=ae979416282d43793a49944ed007119673853555;p=stockfish King safety and rook mobility parameters tweak STC: LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 19280 W: 3595 L: 3373 D: 12312 LTC: LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 221405 W: 28940 L: 28220 D: 164245 Bench: 6506664 Closes #1105 --- diff --git a/src/evaluate.cpp b/src/evaluate.cpp index 92ad6e9a..4351fe2e 100644 --- a/src/evaluate.cpp +++ b/src/evaluate.cpp @@ -123,9 +123,9 @@ namespace { { S(-48,-59), S(-20,-23), S( 16, -3), S( 26, 13), S( 38, 24), S( 51, 42), // Bishops S( 55, 54), S( 63, 57), S( 63, 65), S( 68, 73), S( 81, 78), S( 81, 86), S( 91, 88), S( 98, 97) }, - { S(-60,-77), S(-26,-20), S(-11, 27), S( -6, 57), S( -3, 69), S( -1, 82), // Rooks - S( 10,109), S( 16,121), S( 24,131), S( 25,143), S( 32,155), S( 32,163), - S( 43,167), S( 48,171), S( 56,173) }, + { S(-58,-76), S(-27,-18), S(-15, 28), S(-10, 55), S( -5, 69), S( -2, 82), // Rooks + S( 9,112), S( 16,118), S( 30,132), S( 29,142), S( 32,155), S( 38,165), + S( 46,166), S( 48,169), S( 58,171) }, { S(-39,-36), S(-21,-15), S( 3, 8), S( 3, 18), S( 14, 34), S( 22, 54), // Queens S( 28, 61), S( 41, 73), S( 43, 79), S( 48, 92), S( 56, 94), S( 60,104), S( 60,113), S( 66,120), S( 67,123), S( 70,126), S( 71,133), S( 73,136), @@ -211,9 +211,9 @@ namespace { const int KingAttackWeights[PIECE_TYPE_NB] = { 0, 0, 78, 56, 45, 11 }; // Penalties for enemy's safe checks - const int QueenCheck = 810; - const int RookCheck = 888; - const int BishopCheck = 400; + const int QueenCheck = 780; + const int RookCheck = 880; + const int BishopCheck = 435; const int KnightCheck = 790; // Threshold for lazy and space evaluation @@ -425,11 +425,11 @@ namespace { // attacked and undefended squares around our king and the quality of // the pawn shelter (current 'score' value). kingDanger = ei.kingAttackersCount[Them] * ei.kingAttackersWeight[Them] - + 103 * ei.kingAdjacentZoneAttacksCount[Them] - + 190 * popcount(undefended) - + 142 * (popcount(b) + !!pos.pinned_pieces(Us)) - - 810 * !pos.count(Them) - - 6 * mg_value(score) / 5 - 5; + + 102 * ei.kingAdjacentZoneAttacksCount[Them] + + 201 * popcount(undefended) + + 143 * (popcount(b) + !!pos.pinned_pieces(Us)) + - 848 * !pos.count(Them) + - 28 * mg_value(score) / 25 - 5; // Analyse the safe enemy's checks which are possible on next move safe = ~pos.pieces(Them);