Penalty for bad bishop with blocked central files
authorMJZ1977 <37274752+MJZ1977@users.noreply.github.com>
Tue, 1 May 2018 05:12:17 +0000 (07:12 +0200)
committerStéphane Nicolet <cassio@free.fr>
Tue, 1 May 2018 05:12:27 +0000 (07:12 +0200)
commit5a7cdadfb31db2e8dcaf7be4ecc7953698cd7eef
tree5597dc54a6b2c44ea556c11fb43ad11bc77ce4fe
parent213166ba225bcefbbe7dbecdacfd726dfb6c34f9
Penalty for bad bishop with blocked central files

We increase the penalty for bad bishops by a factor proportional
to the number of our blocked pawns in the center files C, D, E or F.

STC:
LLR: 2.97 (-2.94,2.94) [0.00,5.00]
Total: 8868 W: 1870 L: 1700 D: 5298
http://tests.stockfishchess.org/html/live_elo.html?5ae7674f0ebc590e39268b34

LTC:
LLR: 2.95 (-2.94,2.94) [0.00,5.00]
Total: 5813 W: 950 L: 808 D: 4055
http://tests.stockfishchess.org/html/live_elo.html?5ae77bae0ebc5926dba90dd9

Closes https://github.com/official-stockfish/Stockfish/pull/1573

Bench: 5364190
AUTHORS
src/evaluate.cpp