- For now none but later pygame for GUI
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example of starting state fen string
- 'rheakaehr/9/1c5c1/p1p1p1p1p/9/9/P1P1P1P1P/1C5C1/9/RHEAKAEHR w - - 0 1'
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/ : indicate next rank
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numerical value 1-9 : indicates number of empty squares between pieces
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w | b : indicates turn
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- : indicates filler for notation in western chess
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second to last value is number of half moves since last capture (if reaches 60 game ends in draw)
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last value is number of full moves (full move means increments after both white and black move)
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Upper Case for White, Lower case for black
- King/General: K/k
- Advisor: A/a
- Elephant: E/e
- Rook/Chariot: R/r
- Cannon: C/c
- Horse/Knight: H/h
- Pawn: P/p
- Running main.py runs the cml version of the code, running game.py runs the GUI of the code however that is not complete yet
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Variables:
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state: {1d Char Array} containing piece positions -
valid_moves: {array of Moves} contains list of valid moves of the current players turn -
turn: {char} w | b -
computer_color: {char} w | b -
king_pos{int} integer position of the turn of current players king within state (this will be needed for determining legal moves) -
half_moves{int} number of half moves since last capture. If == 60 then game ends in draw, increments after white or black move -
full_moves{int} number of full moves
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Functions
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__init__(self, fen): default constructor from fen. Uses fen to initialize all board variables -
generateValidMoves(): analyzes state and generatesvalid_moves -
updateBoardFromMove(move: move.Move): updatesstatefrommove -
checkForCheck(move: move.Move, turn: char): Helper function that analyzes a move and looks a half move further to see if that move puts themselves in check. Returns bool.
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Variables
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start: {int} integer position of piece with in 1d state array
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target: {int} integer position of target square within 1d state array
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In
updateBoardFromMove()need to increment halfmove counter and full move counter -
In main game loop need to check for draw with halfmove counter