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Tweak kingFlankAttacks factor in kingDanger #2349

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@SFisGOD SFisGOD commented Oct 7, 2019

STC:
LLR: -2.96 (-2.94,2.94) [0.00,4.00]
Total: 77947 W: 16989 L: 16848 D: 44110
http://tests.stockfishchess.org/tests/view/5d9ac0280ebc5902b6cf63cd

LTC 1:
LLR: 2.96 (-2.94,2.94) [0.00,4.00]
Total: 13443 W: 2231 L: 2037 D: 9175
http://tests.stockfishchess.org/tests/view/5d9ac88d0ebc5902b6cf6ffb

LTC 2:
LLR: 2.96 (-2.94,2.94) [0.00,4.00]
Total: 23340 W: 3842 L: 3617 D: 15881
http://tests.stockfishchess.org/tests/view/5d9acf7f0ebc5902b6cf7c27

Bench: 4042155

@snicolet snicolet closed this in 0b0b21c Oct 7, 2019
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snicolet commented Oct 7, 2019

Merged via 0b0b21c, congrats :-)

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Yery commented Oct 7, 2019

Well done!

These passed LTC so easily, one cannot help wondering whether the factor can be increased further (1/2 or 2/5) - worth another speculative LTC test imo!

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@Yery it's never that easy at this level, maybe in the early years, but not now. I would say he hit the bull's eye on this one, but I would love to see somebody prove me wrong - I'm all for more Elo! Great patch btw!

MichaelB7 pushed a commit to MichaelB7/Stockfish that referenced this pull request Oct 8, 2019
Increase kingFlankAttacks factor in kingDanger from 5/16 to 6/16.

Failed STC:
LLR: -2.96 (-2.94,2.94) [0.00,4.00]
Total: 77947 W: 16989 L: 16848 D: 44110
http://tests.stockfishchess.org/tests/view/5d9ac0280ebc5902b6cf63cd

Passed LTC 1:
LLR: 2.96 (-2.94,2.94) [0.00,4.00]
Total: 13443 W: 2231 L: 2037 D: 9175
http://tests.stockfishchess.org/tests/view/5d9ac88d0ebc5902b6cf6ffb

Passed LTC 2:
LLR: 2.96 (-2.94,2.94) [0.00,4.00]
Total: 23340 W: 3842 L: 3617 D: 15881
http://tests.stockfishchess.org/tests/view/5d9acf7f0ebc5902b6cf7c27

Closes official-stockfish#2349

Bench: 4042155
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