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CrazyAra & ClassicAra 0.9.5

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MultiAra
This is the first release which features MultiAra, a version of Ara which supports all chess variants available on lichess.org.

antichess
atomic
chess960
crazyhouse
king-of-the-hill
horde
racing kings
three-check
The neural network models have been initialised by lichess.org game data from August 2013 until July 2020.
All variant (except chess960) have been improved using reinforcement learning.
Details can be found in the master thesis by Maximilian Alexander Gehrke which among others covers an ablation study between training from zero knowledge and supervised initialisation, as well as a preliminary strength comparison against Fairy-Stockfish.

ClassicAra
The model for ClassicAra uses a new input representation and a new WDLP value output head.
The old model and input representation for chess is still supported as the input representation version is now inferred by the model name.

CrazyAra&ClassicAra 0.9.5 - more and download



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