Releases: amchess/ShashChess
ShashChess 38
ShashChess 38
Aligned with Stockfish patch:
Jan 12, 2025
Increase the depth margin
The AI recognized the significant added value and originality of the derivative ShashChess compared to the original Stockfish. For further details and the great novelties of this version, see this pdf document.
ShashChess 37
Fix mcts
Santiago
ShashChess 36
Aligned with Stockfish 17.
Fixed mcts.
Fixed persisted learning and added the experience book option and an utility for reset (to be done for old experience files) and display content given a fen.
Extended livebook to LiChess in addition to ChessDB.
Removed opening variety and replaced with variety which is now a combo with three values:
-off the default
-standard without loss of elo
-psychological more risky because with elo loss, but not as significant, useful for inviting the engine to a game with psychological/human sacrifices, i.e., strictly speaking, incorrect, but almost impossible to refute.
ShashChess 35.3
Improved Opening Variety (Idea implemented in Hypnos)
Extended LiveBook (also egtbs)
Now, the ChessDB livebook is usable, again not in analysis or search for mate, even in endgame positions with at most 7 units on the board)
ShashChess 35.2
Fix montecarlo
Speedup WinProbability (thanks to Francesco Ferraguti)
ShashChess 35.1
ShashChess 35.1
Nodestime option
corrected futility pruning: parent node
ShashChess 35
ShashChess 35
Aligned with Stockfish 16.1
Improved opening variety
Improved Shashin theory
Eliminated classical eval and handicap mode:
there is another engine called Alexander for this.
Shashchess 34.6
ShashChess 34.6
Improved learning
ShashChess 34.5
Fix mcts
UCI_ShowWDL option default to true
A great thanks for their help to
-Omar Khalid in correcting
-Peter Martan in professionally testing
the mcts code.