Tcheran - UCI chess engine
Rating CEDR=2395
v.1.1:
Disable logging by default
Use Rust 1.75
Switch movegen to use orthogonal/diagonal pin approach from this article
Use .get_unchecked() for all static array accesses (-1.18% perft(8) time)
Store Square as a u8 instead of a Bitboard internally
Use an array for PlayerPieces (-6.37% search(9) time)
Generate attackers for single squares instead of all attacks in movegen (+8.0 ELO)
Optimise castle move generation
Don't generate non-capture underpromotions in quiescence search
Remove the Ctx struct from movegen (-3.13% perft(7) time)
Reorganise everything into a single crate
Re-enable incremental compilation for an unexplained performance boost in sort_unstable_by
Consider bishops more valuable than knights for MVV-LVA
Misc
Add SAN parsing and formatting
Add the 'Win At Chess' test suite
Add Justfile commands for STC and LTC tests
Use u64 for node counts to prevent overflows with large perft results
Remove support for go searchmoves and go mate
Collapse castle detection for kingside/queenside into a single code path
Various refactoring and simplification around Bitboard and Square abstractions
Remove EngineGame
Add a wait extension to allow piping go commands to the engine for benchmarking
Make the halfmove clock and fullmove number optional in FEN parsing
Add a way to easily jump to useful debugging positions (e.g. d position kiwipete)
Add the ability to pass UCI commands to run as command line arguments
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