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Tweak knight mobility

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New tuned values for knight mobility in endgames.

STC:
LLR: 2.94 (-2.94,2.94) {-0.50,1.50}
Total: 112576 W: 21999 L: 21644 D: 68933
Ptnml(0-2): 2009, 13084, 25735, 13463, 1997
https://tests.stockfishchess.org/tests/view/5ec58379377121ac09e10272

LTC:
LLR: 2.95 (-2.94,2.94) {0.25,1.75}
Total: 125192 W: 16200 L: 15671 D: 93321
Ptnml(0-2): 891, 11584, 37182, 11983, 956
https://tests.stockfishchess.org/tests/view/5ec5c0b8377121ac09e1028b

Closes https://github.com/official-stockfish/Stockfish/pull/2693

Bench: 4778956
This commit is contained in:
Stefan Geschwentner 2020-05-21 12:29:36 +02:00 • committed by Stéphane Nicolet
parent 6c1af710d1
commit 09c6917d05
1 changed files with 2 additions and 2 deletions
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4
src/evaluate.cpp
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@ -91,8 +91,8 @@ namespace {
// MobilityBonus[PieceType-2][attacked] contains bonuses for middle and end game, // MobilityBonus[PieceType-2][attacked] contains bonuses for middle and end game,
// indexed by piece type and number of attacked squares in the mobility area. // indexed by piece type and number of attacked squares in the mobility area.
constexpr Score MobilityBonus[][32] = { constexpr Score MobilityBonus[][32] = {
{ S(-62,-81), S(-53,-56), S(-12,-30), S( -4,-14), S( 3, 8), S( 13, 15), // Knight { S(-62,-81), S(-53,-56), S(-12,-31), S( -4,-16), S( 3, 5), S( 13, 11), // Knight
S( 22, 23), S( 28, 27), S( 33, 33) }, S( 22, 17), S( 28, 20), S( 33, 25) },
{ S(-48,-59), S(-20,-23), S( 16, -3), S( 26, 13), S( 38, 24), S( 51, 42), // Bishop { S(-48,-59), S(-20,-23), S( 16, -3), S( 26, 13), S( 38, 24), S( 51, 42), // Bishop
S( 55, 54), S( 63, 57), S( 63, 65), S( 68, 73), S( 81, 78), S( 81, 86), 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( 91, 88), S( 98, 97) },