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+# _________ .__                         _________                _____.__        
+# \_   ___ \|  |__   ____   ______ _____\_   ___ \  ____   _____/ ____\__| ____  
+# /    \  \/|  |  \_/ __ \ /  ___//  ___/    \  \/ /  _ \ /    \   __\|  |/ ___\ 
+# \     \___|   Y  \  ___/ \___ \ \___ \\     \___(  <_> )   |  \  |  |  / /_/  >
+#  \______  /___|  /\___  >____  >____  >\______  /\____/|___|  /__|  |__\___  / 
+#         \/     \/     \/     \/     \/        \/            \/        /_____/  
+'''
+cool ascii >                http://patorjk.com/software/taag
+chess-ICON >                https://en.wikipedia.org/wiki/Chess_symbols_in_Unicode
+more cool unicode ICON >    https://www.unicode.org/charts/
+color codes cheatsheet >    https://gist.github.com/ConnerWill/d4b6c776b509add763e17f9f113fd25b'''
+
+import typing
+
+# ------------ BOARD -----------------
+'''
+black >   '\x1b[30m'
+red >     '\x1b[31m'
+green >   '\x1b[32m'
+yellow >  '\x1b[33m'
+blue >    '\x1b[34m'
+magenta > '\x1b[35m'
+cyan >    '\x1b[36m'
+white >   '\x1b[37m' '''
+
+WHITECOLOR: typing.Final[str] = '\x1b[36m'
+BLACKCOLOR: typing.Final[str] = '\x1b[31m'
+SPACECOLOR: typing.Final[str] = ''
+
+WHITE_KING_ICON: typing.Final[str] = '\u265A'
+WHITE_QUEEN_ICON: typing.Final[str] = '\u265B'
+WHITE_ROOK_ICON: typing.Final[str] = '\u265C'
+WHITE_BISHOP_ICON: typing.Final[str] = '\u265D'
+WHITE_KNIGHT_ICON: typing.Final[str] = '\u265E'
+WHITE_PAWN_ICON: typing.Final[str] = '\u265F'
+
+SPACE_ICON: str = ' '
+
+BLACK_KING_ICON: str = '\u265A'
+BLACK_QUEEN_ICON: str = '\u265B'
+BLACK_ROOK_ICON: str = '\u265C'
+BLACK_BISHOP_ICON: str = '\u265D'
+BLACK_KNIGHT_ICON: str = '\u265E'
+BLACK_PAWN_ICON: str = '\u265F'
+
+STOCKFISH_PATH: str = '/opt/homebrew/bin/stockfish'     # path to installed stockfish bin
+stockfish_depth: int = 10    # default calculation depth for stockfish engine
+minimax_depth: int = 4       # default calculation depth for minimax algorithm
+
+# ------------ PARSING --------------
+
+PIECE_MAP: typing.Final[dict[str, str]] = {                           # add other languages ('Springer': 'N')
+    'rook': 'R', 'Rook': 'R', 'ROOK': 'R', 'Turm': 'R', 'T': 'R',
+    'knight': 'N', 'Knight': 'N', 'KNIGHT': 'N', 'Springer': 'N', 'S': 'N', 
+    'bishop': 'B', 'Bishop': 'B', 'BISHOP': 'B', 'L': 'B', 'Läufer': 'B',
+    'queen': 'Q', 'Queen': 'Q', 'QUEEN': 'Q', 'Dame': 'Q', 'D': 'Q',
+    'king': 'K', 'King': 'K', 'KING': 'K',
+    'pawn': 'P', 'Pawn': 'P', 'PAWN': 'P'}
+
+# value = True if capture else False
+ACTION_MAP: typing.Final[dict[str, bool]] = {' captures ': True, ' takes ': True, ' goes to ': False, ' goes ': False, ' to ': False, ' x ': True, ' - ': False, ' / ': False, 'x': True, '-': False, '/': False, '_': False, ' ': False}    # put longer strings to the front so they match before ' ' does!
+
+PROMOTION_MAP: typing.Final[dict[str, str]] = {
+    ' queen': 'Q', ' = q': 'Q', ' =q': 'Q', ' /q': 'Q', '=q': 'Q', '/q': 'Q', ' q': 'Q', 'q': 'Q', ' QUEEN': 'Q', ' Queen': 'Q', ' = Q': 'Q', ' =Q': 'Q', ' /Q': 'Q', '=Q': 'Q', '/Q': 'Q', ' Q': 'Q', 'Q': 'Q', 
+    ' rook': 'R', ' = r': 'R', ' =r': 'R', ' /r': 'R', '=r': 'R', '/r': 'R', ' r': 'R', 'r': 'R', ' ROOK': 'R', ' Rook': 'R', ' = R': 'R', ' =R': 'R', ' /R': 'R', '=R': 'R', '/R': 'R', ' R': 'R', 'R': 'R', 
+    ' knight': 'N', ' = n': 'N', ' =n': 'N', ' /n': 'N', '=n': 'N', '/n': 'N', ' n': 'N', 'n': 'N', ' KNIGHT': 'N', ' Knight': 'N', ' = N': 'N', ' =N': 'N', ' /N': 'N', '=N': 'N', '/N': 'N', ' N': 'N', 'N': 'N', 
+    ' bishop': 'B', ' = b': 'B', ' =b': 'B', ' /b': 'B', '=b': 'B', '/b': 'B', ' b': 'B', 'b': 'B', ' BISHOP': 'B', ' Bishop': 'B', ' = B': 'B', ' =B': 'B', ' /B': 'B', '=B': 'B', '/B': 'B', ' B': 'B', 'B': 'B'}
+
+# value = True if short castling else False
+CASTLING_MAP: typing.Final[dict[str, bool]] = {
+    'short castling': True, 'castle short': True, 'kingside castling': True, 'castle kingside': True, 'O-O': True, '0-0': True, '00': True, 'o-o': True, 'oo': True, 'OO': True, 
+    'long castling': False, 'castle long': False, 'queenside castling': False, 'castle queenside': False, 'O-O-O': False, '0-0-0': False, '000': False, 'o-o-o': False, 'ooo': False, 'OOO': False}
+
+# value = True if check else False (checkmate)
+CHECK_OR_CHECKMATE_MAP: typing.Final[dict[str, str]] = {
+    ' with check': '+', ' CHECK': '+', ' check': '+', ' +': '+', '+': '+', 
+    ' with checkmate': '#', ' CHECKMATE': '#', ' checkmate': '#', ' ++': '#', ' #': '#', '++': '#', '#': '#'}
+
+# ------------ EVAL FUNCTION --------------
+
+PIECEVALUE: typing.Final[dict[str, int]] = {'K': 20_000, 'Q': 900, 'R': 500, 'B': 330, 'N': 320, 'P': 100,'k': -20_000, 'q': -900, 'r': -500, 'b': -330, 'n': -320, 'p': -100, '.': 0}
+
+postables_struct = dict[str, tuple[
+    tuple[int, int, int, int, int, int, int, int], 
+    tuple[int, int, int, int, int, int, int, int], 
+    tuple[int, int, int, int, int, int, int, int], 
+    tuple[int, int, int, int, int, int, int, int], 
+    tuple[int, int, int, int, int, int, int, int], 
+    tuple[int, int, int, int, int, int, int, int], 
+    tuple[int, int, int, int, int, int, int, int], 
+    tuple[int, int, int, int, int, int, int, int]]]
+
+POSTABLES: typing.Final[postables_struct] = {
+
+    'R': ((0, 0, 0, 0, 0, 0, 0, 0), 
+          (5, 10, 10, 10, 10, 10, 10, 5), 
+          (-5, 0, 0, 0, 0, 0, 0, -5), 
+          (-5, 0, 0, 0, 0, 0, 0, -5), 
+          (-5, 0, 0, 0, 0, 0, 0, -5), 
+          (-5, 0, 0, 0, 0, 0, 0, -5), 
+          (-5, 0, 0, 0, 0, 0, 0, -5), 
+          (0, 0, 0, 5, 5, 0, 0, 0)), 
+
+    'N': ((-50, -40, -30, -30, -30, -30, -40, -50), 
+          (-40, -20, 0, 0, 0, 0, -20, -40), 
+          (-30, 0, 10, 15, 15, 10, 0, -30), 
+          (-30, 5, 15, 20, 20, 15, 5, -30), 
+          (-30, 0, 15, 20, 20, 15, 0, -30), 
+          (-30, 5, 10, 15, 15, 10, 5, -30), 
+          (-40, -20, 0, 5, 5, 0, -20, -40), 
+          (-50, -40, -30, -30, -30, -30, -40, -50)), 
+
+    'B': ((-20, -10, -10, -10, -10, -10, -10, -20), 
+          (-10, 0, 0, 0, 0, 0, 0, -10), 
+          (-10, 0, 5, 10, 10, 5, 0, -10), 
+          (-10, 5, 5, 10, 10, 5, 5, -10), 
+          (-10, 0, 10, 10, 10, 10, 0, -10), 
+          (-10, 10, 10, 10, 10, 10, 10, -10), 
+          (-10, 5, 0, 0, 0, 0, 5, -10), 
+          (-20, -10, -10, -10, -10, -10, -10, -20)), 
+
+    'Q': ((-20, -10, -10, -5, -5, -10, -10, -20), 
+          (-10, 0, 0, 0, 0, 0, 0, -10), 
+          (-10, 0, 5, 5, 5, 5, 0, -10), 
+          (-5, 0, 5, 5, 5, 5, 0, -5), 
+          (0, 0, 5, 5, 5, 5, 0, -5), 
+          (-10, 5, 5, 5, 5, 5, 0, -10), 
+          (-10, 0, 5, 0, 0, 0, 0, -10), 
+          (-20, -10, -10, -5, -5, -10, -10, -20)), 
+
+    'P': ((0, 0, 0, 0, 0, 0, 0, 0), 
+          (50, 50, 50, 50, 50, 50, 50, 50), 
+          (10, 10, 20, 30, 30, 20, 10, 10), 
+          (5, 5, 10, 25, 25, 10, 5, 5), 
+          (0, 0, 0, 20, 20, 0, 0, 0), 
+          (5, -5, -10, 0, 0, -10, -5, 5), 
+          (5, 10, 10, -20, -20, 10, 10, 5), 
+          (0, 0, 0, 0, 0, 0, 0, 0)),
+
+    'p': ((0, 0, 0, 0, 0, 0, 0, 0), 
+          (-5, -10, -10, 20, 20, -10, -10, -5), 
+          (-5, 5, 10, 0, 0, 10, 5, -5), 
+          (0, 0, 0, -20, -20, 0, 0, 0), 
+          (-5, -5, -10, -25, -25, -10, -5, -5), 
+          (-10, -10, -20, -30, -30, -20, -10, -10), 
+          (-50, -50, -50, -50, -50, -50, -50, -50), 
+          (0, 0, 0, 0, 0, 0, 0, 0)), 
+
+    'K_end': ((-50, -40, -30, -20, -20, -30, -40, -50),         # end game
+              (-30, -20, -10, 0, 0, -10, -20, -30), 
+              (-30, -10, 20, 30, 30, 20, -10, -30), 
+              (-30, -10, 30, 40, 40, 30, -10, -30), 
+              (-30, -10, 30, 40, 40, 30, -10, -30), 
+              (-30, -10, 20, 30, 30, 20, -10, -30), 
+              (-30, -30, 0, 0, 0, 0, -30, -30), 
+              (-50, -30, -30, -30, -30, -30, -30, -50)), 
+
+    'K_middle': ((-30, -40, -40, -50, -50, -40, -40, -30),      # middle game
+                 (-30, -40, -40, -50, -50, -40, -40, -30), 
+                 (-30, -40, -40, -50, -50, -40, -40, -30), 
+                 (-30, -40, -40, -50, -50, -40, -40, -30), 
+                 (-20, -30, -30, -40, -40, -30, -30, -20), 
+                 (-10, -20, -20, -20, -20, -20, -20, -10), 
+                 (20, 20, 0, 0, 0, 0, 20, 20), 
+                 (20, 30, 10, 0, 0, 10, 30, 20), 
+    ), 
+    'r': ((0, 0, 0, -5, -5, 0, 0, 0), 
+          (5, 0, 0, 0, 0, 0, 0, 5), 
+          (5, 0, 0, 0, 0, 0, 0, 5), 
+          (5, 0, 0, 0, 0, 0, 0, 5), 
+          (5, 0, 0, 0, 0, 0, 0, 5), 
+          (5, 0, 0, 0, 0, 0, 0, 5), 
+          (-5, -10, -10, -10, -10, -10, -10, -5), 
+          (0, 0, 0, 0, 0, 0, 0, 0)), 
+
+    'n': ((50, 40, 30, 30, 30, 30, 40, 50), 
+          (40, 20, 0, -5, -5, 0, 20, 10), 
+          (30, -5, -10, -15, -15, -10, -5, 30), 
+          (30, 0, -15, -20, -20, -15, 0, 30), 
+          (30, -5, -15, -20, -20, -15, -5, 30), 
+          (30, 0, -10, -15, -15, -10, 0, 30), 
+          (40, 20, 0, 0, 0, 0, 20, 40), 
+          (50, 40, 30, 30, 30, 30, 40, 50)), 
+
+    'b': ((20, 10, 10, 10, 10, 10, 10, 20), 
+          (10, -5, 0, 0, 0, 0, 0, 0, -5, 10), 
+          (10, -10, -10, -10, -10, -10, -10, 10), 
+          (10, 0, -10, -10, -10, -10, 0, 10), 
+          (10, -5, -5, -5, -5, -5, -5, 10), 
+          (10, 0, -5, -10, -10, -5, 0, 10), 
+          (10, 0, 0, 0, 0, 0, 0, 10), 
+          (20, 10, 10, 10, 10, 10, 10, 20)), 
+
+    'k_end': ((50, 30, 30, 30, 30, 30, 30, 50),             # end game
+              (30, 30, 0, 0, 0, 0, 30, 30), 
+              (30, 10, -20, -30, -30, -20, 10, 30), 
+              (30, 10, -30, -40, -40, -30, 10, 30), 
+              (30, 10, -30, -40, -40, -30, 10, 30), 
+              (30, 10, -20, -30, -30, -20, 10, 30), 
+              (30, 20, 10, 0, 0, 10, 20, 30), 
+              (50, 40, 30, 20, 20, 30, 40, 50)),
+
+    'k_middle': ((-20, -30, -10, 0, 0, -10, -30, -20),      # middle game
+                 (-20, -20, 0, 0, 0, 0, -20, -20), 
+                 (10, 20, 20, 20, 20, 20, 20, 10), 
+                 (20, 30, 30, 40, 40, 30, 30, 20), 
+                 (30, 40, 40, 50, 50, 40, 40, 30), 
+                 (30, 40, 40, 50, 50, 40, 40, 30), 
+                 (30, 40, 40, 50, 50, 40, 40, 30), 
+                 (30, 40, 40, 50, 50, 40, 40, 30)), 
+
+    'q': ((20, 10, 10, -5, -5, 10, 10, 20), 
+          (10, 0, -5, 0, 0, 0, 0, 10), 
+          (10, -5, -5, -5, -5, -5, 0, 10), 
+          (0, 0, -5, -5, -5, -5, 0, 5), 
+          (5, 0, -5, -5, -5, -5, 0, 5), 
+          (10, 0, -5, -5, -5, -5, 0, 10), 
+          (10, 0, 0, 0, 0, 0, 0, 10), 
+          (20, 10, 10, 5, 5, 10, 10, 20))
+    }
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