Tweak opposite colord bishops endgame scaling. #891
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Make scale factor dependant on asymmetry of pawn structure. STC http://tests.stockfishchess.org/tests/view/5b92a2a80ebc592cf2753dd4 LLR: 2.96 (-2.94,2.94) [0.00,5.00] Total: 31490 W: 6870 L: 6587 D: 18033 LTC http://tests.stockfishchess.org/tests/view/5b92f8170ebc592cf2754438 LLR: 2.95 (-2.94,2.94) [0.00,5.00] Total: 54928 W: 8988 L: 8653 D: 37287 This patch shows that SF can use some more complicated endgame heuristics to evaluate endgames better from the distance. Closes official-stockfish#1767 Bench: 4248710
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Make scale factor dependant on asymmetry of pawn structure.
STC http://tests.stockfishchess.org/tests/view/5b92a2a80ebc592cf2753dd4
LLR: 2.96 (-2.94,2.94) [0.00,5.00]
Total: 31490 W: 6870 L: 6587 D: 18033
LTC http://tests.stockfishchess.org/tests/view/5b92f8170ebc592cf2754438
LLR: 2.95 (-2.94,2.94) [0.00,5.00]
Total: 54928 W: 8988 L: 8653 D: 37287
This patch shows that SF can use some more complicated endgame heuristics to evaluate endgames better from the distance.
Closes official-stockfish#1767
Bench: 4248710