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Chess engine: Stockfish 20060117


Stockfish - UCI chess engine, compiled by ElbertoOne
Rating JCER=3304

Timestamp: 1591025249
Isolated pawns tweak

Give opposed doubled isolated pawns only the Doubled penalty. The other isolated pawns get the Isolated penalty and the WeakUnopposed penalty.
The popcount condition has been replaced with an opposed check, which is non-functional, but probably gives a speed-up.

Passed STC (https://tests.stockfishchess.org/tests/view/5ed0f0f0042fa6d77c3552f5):
LLR: 2.96 (-2.94,2.94) {-0.50,1.50}
Total: 121832 W: 23562 L: 23195 D: 75075 Elo +1.05
Ptnml(0-2): 2092, 14064, 28313, 14279, 2168

LTC: (https://tests.stockfishchess.org/tests/view/5ed22e40042fa6d77c355387)
LLR: 2.96 (-2.94,2.94) {0.25,1.75}
Total: 103368 W: 13232 L: 12768 D: 77368 Elo +1.56
Ptnml(0-2): 693, 9484, 30919, 9842, 746
Bench: 4085694

Stockfish 20060117 download


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