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Combo of Parameter Tweaks

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This patch is a combo of the following tweaks:

Complexity parameters
Knight PSQT
Bishop PSQT
King PSQT
Piece Values

Passed STC:
LLR: 2.95 (-2.94,2.94) [-1.50,4.50]
Total: 56527 W: 12326 L: 12052 D: 32149
http://tests.stockfishchess.org/tests/view/5dbbca3f0ebc5925b64ee6d6

Passed LTC:
LLR: 2.95 (-2.94,2.94) [0.00,3.50]
Total: 64010 W: 10549 L: 10199 D: 43262
http://tests.stockfishchess.org/tests/view/5dbc30dc0ebc5925b64eee0c

Closes https://github.com/official-stockfish/Stockfish/pull/2390

Bench: 4312945
This commit is contained in:
SFisGOD 2019-11-01 13:58:11 +08:00 • committed by Stéphane Nicolet
parent e8fca71342
commit 474d133565
4 changed files with 33 additions and 33 deletions
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2
AUTHORS
View file

@ -64,7 +64,7 @@ Jean Gauthier (QuaisBla)
Jean-Francois Romang (jromang) Jean-Francois Romang (jromang)
Jerry Donald Watson (jerrydonaldwatson) Jerry Donald Watson (jerrydonaldwatson)
Jonathan Calovski (Mysseno) Jonathan Calovski (Mysseno)
Jonathan D. (SFisGOD) Jonathan Dumale (SFisGOD)
Joost VandeVondele (vondele) Joost VandeVondele (vondele)
Jörg Oster (joergoster) Jörg Oster (joergoster)
Joseph Ellis (jhellis3) Joseph Ellis (jhellis3)

8
src/evaluate.cpp
View file

@ -713,10 +713,10 @@ namespace {
int complexity = 9 * pe->passed_count() int complexity = 9 * pe->passed_count()
+ 11 * pos.count<PAWN>() + 11 * pos.count<PAWN>()
+ 9 * outflanking + 9 * outflanking
+ 18 * pawnsOnBothFlanks + 21 * pawnsOnBothFlanks
+ 49 * !pos.non_pawn_material() + 51 * !pos.non_pawn_material()
- 36 * almostUnwinnable - 43 * almostUnwinnable
-103 ; - 95 ;
// Now apply the bonus: note that we find the attacking side by extracting the // Now apply the bonus: note that we find the attacking side by extracting the
// sign of the midgame or endgame values, and that we carefully cap the bonus // sign of the midgame or endgame values, and that we carefully cap the bonus

48
src/psqt.cpp
View file

@ -39,24 +39,24 @@ constexpr Score Bonus[][RANK_NB][int(FILE_NB) / 2] = {
{ }, { },
{ }, { },
{ // Knight { // Knight
{ S(-169,-105), S(-96,-74), S(-80,-46), S(-79,-18) }, { S(-175, -96), S(-92,-65), S(-74,-49), S(-73,-21) },
{ S( -79, -70), S(-39,-56), S(-24,-15), S( -9, 6) }, { S( -77, -67), S(-41,-54), S(-27,-18), S(-15, 8) },
{ S( -64, -38), S(-20,-33), S( 4, -5), S( 19, 27) }, { S( -61, -40), S(-17,-27), S( 6, -8), S( 12, 29) },
{ S( -28, -36), S( 5, 0), S( 41, 13), S( 47, 34) }, { S( -35, -35), S( 8, -2), S( 40, 13), S( 49, 28) },
{ S( -29, -41), S( 13,-20), S( 42, 4), S( 52, 35) }, { S( -34, -45), S( 13,-16), S( 44, 9), S( 51, 39) },
{ S( -11, -51), S( 28,-38), S( 63,-17), S( 55, 19) }, { S( -9, -51), S( 22,-44), S( 58,-16), S( 53, 17) },
{ S( -67, -64), S(-21,-45), S( 6,-37), S( 37, 16) }, { S( -67, -69), S(-27,-50), S( 4,-51), S( 37, 12) },
{ S(-200, -98), S(-80,-89), S(-53,-53), S(-32,-16) } { S(-201,-100), S(-83,-88), S(-56,-56), S(-26,-17) }
}, },
{ // Bishop { // Bishop
{ S(-44,-63), S( -4,-30), S(-11,-35), S(-28, -8) }, { S(-53,-57), S( -5,-30), S( -8,-37), S(-23,-12) },
{ S(-18,-38), S( 7,-13), S( 14,-14), S( 3, 0) }, { S(-15,-37), S( 8,-13), S( 19,-17), S( 4, 1) },
{ S( -8,-18), S( 24, 0), S( -3, -7), S( 15, 13) }, { S( -7,-16), S( 21, -1), S( -5, -2), S( 17, 10) },
{ S( 1,-26), S( 8, -3), S( 26, 1), S( 37, 16) }, { S( -5,-20), S( 11, -6), S( 25, 0), S( 39, 17) },
{ S( -7,-24), S( 30, -6), S( 23,-10), S( 28, 17) }, { S(-12,-17), S( 29, -1), S( 22,-14), S( 31, 15) },
{ S(-17,-26), S( 4, 2), S( -1, 1), S( 8, 16) }, { S(-16,-30), S( 6, 6), S( 1, 4), S( 11, 6) },
{ S(-21,-34), S(-19,-18), S( 10, -7), S( -6, 9) }, { S(-17,-31), S(-14,-20), S( 5, -1), S( 0, 1) },
{ S(-48,-51), S( -3,-40), S(-12,-39), S(-25,-20) } { S(-48,-46), S( 1,-42), S(-14,-37), S(-23,-24) }
}, },
{ // Rook { // Rook
{ S(-31, -9), S(-20,-13), S(-14,-10), S(-5, -9) }, { S(-31, -9), S(-20,-13), S(-14,-10), S(-5, -9) },
@ -79,14 +79,14 @@ constexpr Score Bonus[][RANK_NB][int(FILE_NB) / 2] = {
{ S(-2,-75), S(-2,-52), S( 1,-43), S(-2,-36) } { S(-2,-75), S(-2,-52), S( 1,-43), S(-2,-36) }
}, },
{ // King { // King
{ S(272, 0), S(325, 41), S(273, 80), S(190, 93) }, { S(271, 1), S(327, 45), S(270, 85), S(192, 76) },
{ S(277, 57), S(305, 98), S(241,138), S(183,131) }, { S(278, 53), S(303,100), S(230,133), S(174,135) },
{ S(198, 86), S(253,138), S(168,165), S(120,173) }, { S(195, 88), S(258,130), S(169,169), S(120,175) },
{ S(169,103), S(191,152), S(136,168), S(108,169) }, { S(164,103), S(190,156), S(138,172), S( 98,172) },
{ S(145, 98), S(176,166), S(112,197), S( 69,194) }, { S(154, 96), S(179,166), S(105,199), S( 70,199) },
{ S(122, 87), S(159,164), S( 85,174), S( 36,189) }, { S(123, 92), S(145,172), S( 81,184), S( 31,191) },
{ S( 87, 40), S(120, 99), S( 64,128), S( 25,141) }, { S( 88, 47), S(120,121), S( 65,116), S( 33,131) },
{ S( 64, 5), S( 87, 60), S( 49, 75), S( 0, 75) } { S( 59, 11), S( 89, 59), S( 45, 73), S( -1, 78) }
} }
}; };

8
src/types.h
View file

@ -180,10 +180,10 @@ enum Value : int {
VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + 2 * MAX_PLY, VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + 2 * MAX_PLY,
PawnValueMg = 128, PawnValueEg = 213, PawnValueMg = 128, PawnValueEg = 213,
KnightValueMg = 782, KnightValueEg = 865, KnightValueMg = 781, KnightValueEg = 854,
BishopValueMg = 830, BishopValueEg = 918, BishopValueMg = 825, BishopValueEg = 915,
RookValueMg = 1289, RookValueEg = 1378, RookValueMg = 1276, RookValueEg = 1380,
QueenValueMg = 2529, QueenValueEg = 2687, QueenValueMg = 2538, QueenValueEg = 2682,
MidgameLimit = 15258, EndgameLimit = 3915 MidgameLimit = 15258, EndgameLimit = 3915
}; };