Symmetric king safety

Retire current asymmetric king evaluation
and use a much simpler symmetric one.

As a side effect retire the infamous
'Aggressiveness' and 'Cowardice' UCI
options.

Tested in no-regression mode,

Passed both STC
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 33855 W: 5863 L: 5764 D: 22228

And LTC
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 40571 W: 5852 L: 5760 D: 28959

bench: 8321835
This commit is contained in:
Lucas Braesch
2014-05-19 14:22:15 +02:00
committed by Marco Costalba
parent 5e03734eac
commit 40f5abba10
5 changed files with 16 additions and 27 deletions

View File

@@ -67,8 +67,7 @@ void init(OptionsMap& o) {
o["Passed Pawns (Midgame)"] << Option(100, 0, 200, on_eval);
o["Passed Pawns (Endgame)"] << Option(100, 0, 200, on_eval);
o["Space"] << Option(100, 0, 200, on_eval);
o["Aggressiveness"] << Option(100, 0, 200, on_eval);
o["Cowardice"] << Option(100, 0, 200, on_eval);
o["King Safety"] << Option(100, 0, 200, on_eval);
o["Min Split Depth"] << Option(0, 0, 12, on_threads);
o["Threads"] << Option(1, 1, MAX_THREADS, on_threads);
o["Hash"] << Option(32, 1, 16384, on_hash_size);