v0.2.0

Changelog

• 944298b feat: backward pawns heuristic
• d533955 feat: better transposition table interfaces
• e9942ea feat: faster piece lookup
• 80de1e4 feat: fix move p2, piece uses boolean arithmetic
• 6099755 feat: king heuristics computes open and half open files
• 869d308 feat: king squares on board
• 13e9b4d feat: late move reductions
• 42adf58 feat: move ordering with see
• 9e64064 feat: nodes count on search information
• bdd3f45 feat: null move pruning
• 8da555e feat: piece property
• c5fe446 feat: principal variation search
• 9519a83 feat: principal variation search
• a9e287d feat: recover principal variation from transposition table
• 05ea188 feat: rook placement bonuses
• 5a98adf feat: search functions do not collect principal variation
• 3873ee9 feat: static exchange evaluation
• 8fe090a feat: switch to principal variation search
• abba214 feat: tapered king safety evaluation
• b42e742 feat: trapped piece heuristic and evaluation
• fd52f22 feat: use zero window search in pv search
• 214a239 feat: zero window search
• 0c2e8ae feat: zero window search
• 68b7397 fix: nodes count
• e4f81d8 fix: uci prints score when zero
• 8d3fcb9 fix: unmake moves before returning the error in search functions
• 0a053b1 fix: zero window search

v0.1.0

Changelog

• b2df923 Initial commit
• 16d85b7 feat: Color, PieceType, Piece types
• bd950e8 feat: FEN parsing functions
• b7e4c3e feat: Go scaffolding
• d9d69a5 feat: Magic type & magics generation
• 18cbd44 feat: MakeMove checks for legal moves
• c43beca feat: Move, MoveTag types & UCI move parsing
• 44596ff feat: Piece constants
• eb6ad0a feat: Position type
• 187d822 feat: PseudoMoves
• 6d79ec1 feat: Square, File, Rank types
• c9ac6b3 feat: Zobrist Hash
• ec02444 feat: add ci
• 1f1e85c feat: add godot linter
• bce7abf feat: alpha beta search function
• e16a3ad feat: array pawn transposition table
• 6b6964c feat: array transposition table
• 145827b feat: better movegen
• 4bb73dc feat: better zobrist
• ca2e6f8 feat: bitboard arrays
• 4ecb73f feat: bitboard type
• 975322b feat: board type
• 58c8fec feat: board.String
• 9ec952a feat: board.makeMove
• 3a6679f feat: check for king in check before entering quiescence search
• 84a0744 feat: check search extension
• cfa3527 feat: check stalemate draw
• 92e2d82 feat: check tag move
• 40e5c8e feat: commands and parser
• 5147a5a feat: cumulative nodes counter
• 863351e feat: do not generate all promo moves
• 8097581 feat: do not recompute hash on unmake move
• 30aed3b feat: doubled and isolated pawn properties
• 5815b10 feat: enable govet linter
• b0594be feat: engine interface
• cac318d feat: faster movegen
• faf781b feat: faster piecemap and evaluation
• c120b76 feat: fix array lengths
• 3e438ed feat: fix cached search benchmarks
• e4229b0 feat: fix check bug
• 60b1090 feat: fix linter version
• 224647d feat: fix linter version prefix
• d6ccf5f feat: fix move order in outputs
• 8b553f5 feat: fix pawn structure transpotion
• 02acfc9 feat: fix pawn zobrist hash for captures
• 3c837ea feat: fix perft
• 5fb3e0e feat: fix promo in opening book lookup
• 501a5fe feat: fix use of transposition table
• 0b50793 feat: fix zobrist hashing
• c4e1736 feat: go, stop, quit commands
• 0688989 feat: goreleaser
• d4e9d74 feat: goreleaser gh action
• 6229a54 feat: ignore benchmark files
• 00ff31d feat: implicit best move from table in iterative search
• 92fa04b feat: improve alpha beta function
• 50e0f52 feat: improve evaluation function
• 2c72f96 feat: improve getBitboard function
• b700f20 feat: improve pieceAt function
• 12657e2 feat: incremental zobrist hash
• 62af203 feat: init rook and bishop moves
• 5897e15 feat: init search with transposition table
• b5a9fb8 feat: killer moves
• 4eab95c feat: king piece map
• 3bd49b7 feat: king, queen, rook, bishop, knight moves
• 752d182 feat: limit cases where we check for discovered checks
• a76e714 feat: loud moves
• 8006a43 feat: main entry point
• 8eab1b0 feat: make and unmake move
• 464be54 feat: material check
• 8697114 feat: move context cancel intercept to uci package
• 52b7c1b feat: move negamax function
• b72ccab feat: move ordering instead of sorting
• bb0d295 feat: move, pawn property, square file and rank
• 9bed70a feat: negamax function
• 0dcd264 feat: nodes and time search limit
• 3f49ee1 feat: opening book
• 3c1408d feat: options and set options command and response
• 92a5c5d feat: oracle
• 153436e feat: order loud moves
• f71b55b feat: output channel value instead of pointers
• 5486356 feat: own book boolean option
• f493cb9 feat: own opening book
• 08189e5 feat: passed pawn property
• 42e15a8 feat: pawn hash
• 2da5711 feat: pawn hash only takes pawns into account
• baa32ec feat: pawn move and capture bitboards
• d0c52b4 feat: pawn moves
• 7feb756 feat: pawn piece map
• 83f388d feat: pawn shield evaluation
• f8ceb2b feat: pawn structure evaluation
• 8a30ce2 feat: pawn transposition table
• b367932 feat: perft
• 2e5518e feat: pesto evaluation function
• 0a258b7 feat: piece mobility evaluation
• f864b96 feat: pointer output channel
• 5d4e502 feat: position command
• c5c95fe feat: preallocate killer array
• c1dc821 feat: quiescence search
• db5f307 feat: ranks, files, diagonals, anti diagonals bitboards
• 8f9c18c feat: reduce memory footprint
• 1b88b9a feat: refactor search output
• 4648ef1 feat: refactor tests
• d0dcc39 feat: remove check boolean
• 6a35de0 feat: remove pre move checks
• 5c051ed feat: remove race conditions
• 746f47b feat: search engine options
• 98f3260 feat: search info struct
• 722f430 feat: search interface
• f6b6af2 feat: search principal variation before movegen
• 5707bae feat: side, castlingRights types
• d0b5927 feat: simplify alpha beta search
• 9734ec6 feat: simplify iterative search function
• cf56584 feat: simplify movegen
• 144c455 feat: simplify movegen
• 4e1799f feat: skip empty square piece lookup
• 3d9f590 feat: small improvements
• 34ff860 feat: small imrpovements
• 2697e33 feat: store check on position
• 6ebae3d feat: test coverage
• 7be7c9f feat: transposition table
• c06e49d feat: transposition table interface
• faf9903 feat: uci and debug commands
• ab128b4 feat: uci new game command
• 3331184 feat: uci new game resets the position
• 905dba4 feat: uci responses
• 32ce447 feat: uci.Run function
• 1d3ec05 feat: update linters
• 47103db feat: use transposition table
• 968f436 fix: alpha beta search transposition entry
• 1f41f34 fix: book weight moves sort
• da6a15d fix: correct integer overflow
• d882fa6 fix: transposition search condition
• c54f396 refactor: dead code
• 7d55acb refactor: heuristics
• 10aa6b9 refactor: uci controller