Simplified Leela Chess Zero (aka lc0 aka lcz) with Python
Project description
LCZ
Simplified Leela Chess Zero with Python
Provides a simple interface around the original LCZero python bindings
Usage
import lcz
lcz.eval(fens=[
'rnbqkbnr/pp2pppp/2p5/3p4/3PP3/8/PPP2PPP/RNBQKBNR w KQkq - 0 3',
'r2qkbnr/pp2pppp/2n5/3p1b2/3P1B2/5N2/PPP2PPP/RN1QKB1R w KQkq - 4 6'
], weights_path='/path/to/lcz.pb.gz') # if not specified, uses the pre-packaged 'maia-1900.pb.gz'
# [{'b1d2': 0.008045054972171783, # [0, 1] probabilities (softmaxed)
# 'b1a3': 5.8913348766509444e-05,
# 'b1c3': 0.21684584021568298,
# ...
# },
# {'b1d2': 0.015918008983135223,
# 'b1a3': 0.0013550063595175743,
# 'b1c3': 0.09632844477891922,
# ...
# }]
Heads up
Expect it to take ages to build, as the whole C++ lib gets compiled. You can use pip install -v
to check progress
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