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Chess.py
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695 lines (679 loc) · 17.2 KB
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board_string = "RNBQKBNRPPPPPPPP................................pppppppprnbqkbnr"
change_string = "RNBQKBN.PPPPPPPp................................Pppppppp.nbqkbnr"
move_string = "RNBQKBNRP..............................................prnbqkbnr"
board = [["0"]*10,["0"]*10,["0"]*10,["0"]*10,["0"]*10,["0"]*10,["0"]*10,["0"]*10,["0"]*10,["0"]*10]
current_legal_moves = []
white_pieces = ["R", "N", "B", "Q", "K", "P"]
black_pieces = ["r", "n", "b", "q", "k", "p"]
white = True
def make_board(board_string):
l = list(board_string)
index = 0
for i in range(1,9):
for j in range(1,9):
if (l[index] == "."):
board[i][j] = None
else:
board[i][j] = l[index]
index += 1
def present_board():
print("_________________________________")
for i in range(8, 0, -1):
row = "|"
for j in range(1, 9):
if (board[i][j] == None):
row += " |"
else:
row += " " + board[i][j] + " |"
print(row)
print("|___|___|___|___|___|___|___|___|")
def get_piece(x, y):
return board[y][x]
def get_legal_moves(x, y):
current_legal_moves = []
#White
if (get_piece(x, y) == "R"): #Rook
ix = 0
iy = 0
while(True): #Right
iy += 1
if (check_for_black_pieces(x, y+iy)):
current_legal_moves.append([x, y+iy])
break
elif(check_for_white_pieces(x, y+iy)):
break
elif(get_piece(x, y+iy) == None):
current_legal_moves.append([x, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Left
iy -= 1
if (check_for_black_pieces(x, y+iy)):
current_legal_moves.append([x, y+iy])
break
elif(check_for_white_pieces(x, y+iy)):
break
elif(get_piece(x, y+iy) == None):
current_legal_moves.append([x, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Up
ix += 1
if (check_for_black_pieces(x+ix, y)):
current_legal_moves.append([x+ix, y])
break
elif(check_for_white_pieces(x+ix, y)):
break
elif(get_piece(x+ix, y) == None):
current_legal_moves.append([x+ix, y])
else:
break
ix = 0
iy = 0
while(True): #Down
ix -= 1
if (check_for_black_pieces(x+ix, y)):
current_legal_moves.append([x+ix, y])
break
elif(check_for_white_pieces(x+ix, y)):
break
elif(get_piece(x+ix, y) == None):
current_legal_moves.append([x+ix, y])
else:
break
elif(get_piece(x, y) == "N"): #Knight
try:
if(check_for_black_pieces_or_none(x+1, y+2)): #Top
current_legal_moves.append([x+1, y+2])
if(check_for_black_pieces_or_none(x-1, y+2)):
current_legal_moves.append([x-1, y+2])
except:
pass
try:
if(check_for_black_pieces_or_none(x+2, y+1)): #Right
current_legal_moves.append([x+2, y+1])
if(check_for_black_pieces_or_none(x+2, y-1)):
current_legal_moves.append([x+2, y-1])
except:
pass
try:
if(check_for_black_pieces_or_none(x+1, y-2)): #Bottom
current_legal_moves.append([x+1, y-2])
if(check_for_black_pieces_or_none(x-1, y-2)):
current_legal_moves.append([x-1, y-2])
except:
pass
try:
if(check_for_black_pieces_or_none(x-2, y+1)): #left
current_legal_moves.append([x-2, y+1])
if(check_for_black_pieces_or_none(x-2, y-1)):
current_legal_moves.append([x-2, y-1])
except:
pass
elif(get_piece(x, y) == "B"): #Bishop
ix = 0
iy = 0
while(True): #Up/right
ix += 1
iy += 1
if (check_for_black_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_white_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Down/right
ix -= 1
iy += 1
if (check_for_black_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_white_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Down/left
ix -= 1
iy -= 1
if (check_for_black_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_white_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Up/left
ix += 1
iy -= 1
if (check_for_black_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_white_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break#
elif(get_piece(x, y) == "Q"): #Queen
#Horisontal/vertikal
ix = 0
iy = 0
while(True): #Right
iy += 1
if (check_for_black_pieces(x, y+iy)):
current_legal_moves.append([x, y+iy])
break
elif(check_for_white_pieces(x, y+iy)):
break
elif(get_piece(x, y+iy) == None):
current_legal_moves.append([x, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Left
iy -= 1
if (check_for_black_pieces(x, y+iy)):
current_legal_moves.append([x, y+iy])
break
elif(check_for_white_pieces(x, y+iy)):
break
elif(get_piece(x, y+iy) == None):
current_legal_moves.append([x, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Up
ix += 1
if (check_for_black_pieces(x+ix, y)):
current_legal_moves.append([x+ix, y])
break
elif(check_for_white_pieces(x+ix, y)):
break
elif(get_piece(x+ix, y) == None):
current_legal_moves.append([x+ix, y])
else:
break
ix = 0
iy = 0
while(True): #Down
ix -= 1
if (check_for_black_pieces(x+ix, y)):
current_legal_moves.append([x+ix, y])
break
elif(check_for_white_pieces(x+ix, y)):
break
elif(get_piece(x+ix, y) == None):
current_legal_moves.append([x+ix, y])
else:
break
#Vertical
ix = 0
iy = 0
while(True): #Up/right
ix += 1
iy += 1
if (check_for_black_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_white_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Down/right
ix -= 1
iy += 1
if (check_for_black_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_white_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Down/left
ix -= 1
iy -= 1
if (check_for_black_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_white_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Up/left
ix += 1
iy -= 1
if (check_for_black_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_white_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
elif(get_piece(x, y) == "K"): #King
if(check_for_black_pieces_or_none(x+1, y)):
current_legal_moves.append([x+1, y])
if(check_for_black_pieces_or_none(x+1, y+1)):
current_legal_moves.append([x+1, y+1])
if(check_for_black_pieces_or_none(x, y+1)):
current_legal_moves.append([x, y+1])
if(check_for_black_pieces_or_none(x-1, y+1)):
current_legal_moves.append([x-1, y+1])
if(check_for_black_pieces_or_none(x-1, y)):
current_legal_moves.append([x-1, y])
if(check_for_black_pieces_or_none(x-1, y-1)):
current_legal_moves.append([x-1, y-1])
if(check_for_black_pieces_or_none(x, y-1)):
current_legal_moves.append([x, y-1])
if(check_for_black_pieces_or_none(x+1, y-1)):
current_legal_moves.append([x+1, y-1])
elif(get_piece(x, y) == "P"): #Pawn
if(get_piece(x, y+1) == None):
current_legal_moves.append([x, y+1])
if(get_piece(x, y+2) == None) and (y == 2):
current_legal_moves.append([x, y+2])
if(check_for_black_pieces(x-1, y+1)):
current_legal_moves.append([x-1, y+1])
if(check_for_black_pieces(x+1, y+1)):
current_legal_moves.append([x+1, y+1])
#Black
elif(get_piece(x, y) == "r"): #Rook
ix = 0
iy = 0
while(True): #Right
iy += 1
if (check_for_white_pieces(x, y+iy)):
current_legal_moves.append([x, y+iy])
break
elif(check_for_black_pieces(x, y+iy)):
break
elif(get_piece(x, y+iy) == None):
current_legal_moves.append([x, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Left
iy -= 1
if (check_for_white_pieces(x, y+iy)):
current_legal_moves.append([x, y+iy])
break
elif(check_for_black_pieces(x, y+iy)):
break
elif(get_piece(x, y+iy) == None):
current_legal_moves.append([x, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Up
ix += 1
if (check_for_white_pieces(x+ix, y)):
current_legal_moves.append([x+ix, y])
break
elif(check_for_black_pieces(x+ix, y)):
break
elif(get_piece(x+ix, y) == None):
current_legal_moves.append([x+ix, y])
else:
break
ix = 0
iy = 0
while(True): #Down
ix -= 1
if (check_for_white_pieces(x+ix, y)):
current_legal_moves.append([x+ix, y])
break
elif(check_for_black_pieces(x+ix, y)):
break
elif(get_piece(x+ix, y) == None):
current_legal_moves.append([x+ix, y])
else:
break
elif(get_piece(x, y) == "n"): #Knight
try:
if(check_for_white_pieces_or_none(x+1, y+2)): #Top
current_legal_moves.append([x+1, y+2])
if(check_for_white_pieces_or_none(x-1, y+2)):
current_legal_moves.append([x-1, y+2])
except:
pass
try:
if(check_for_white_pieces_or_none(x+2, y+1)): #Right
current_legal_moves.append([x+2, y+1])
if(check_for_white_pieces_or_none(x+2, y-1)):
current_legal_moves.append([x+2, y-1])
except:
pass
try:
if(check_for_white_pieces_or_none(x+1, y-2)): #Bottom
current_legal_moves.append([x+1, y-2])
if(check_for_white_pieces_or_none(x-1, y-2)):
current_legal_moves.append([x-1, y-2])
except:
pass
try:
if(check_for_white_pieces_or_none(x-2, y+1)): #left
current_legal_moves.append([x-2, y+1])
if(check_for_white_pieces_or_none(x-2, y-1)):
current_legal_moves.append([x-2, y-1])
except:
pass
elif(get_piece(x, y) == "b"): #Bishop
ix = 0
iy = 0
while(True): #Up/right
ix += 1
iy += 1
if (check_for_white_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_black_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Down/right
ix -= 1
iy += 1
if (check_for_white_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_black_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Down/left
ix -= 1
iy -= 1
if (check_for_white_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_black_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Up/left
ix += 1
iy -= 1
if (check_for_white_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_black_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
elif(get_piece(x, y) == "q"): #Queen
#Horisontal/vertikal
ix = 0
iy = 0
while(True): #Right
iy += 1
if (check_for_white_pieces(x, y+iy)):
current_legal_moves.append([x, y+iy])
break
elif(check_for_black_pieces(x, y+iy)):
break
elif(get_piece(x, y+iy) == None):
current_legal_moves.append([x, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Left
iy -= 1
if (check_for_white_pieces(x, y+iy)):
current_legal_moves.append([x, y+iy])
break
elif(check_for_black_pieces(x, y+iy)):
break
elif(get_piece(x, y+iy) == None):
current_legal_moves.append([x, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Up
ix += 1
if (check_for_white_pieces(x+ix, y)):
current_legal_moves.append([x+ix, y])
break
elif(check_for_black_pieces(x+ix, y)):
break
elif(get_piece(x+ix, y) == None):
current_legal_moves.append([x+ix, y])
else:
break
ix = 0
iy = 0
while(True): #Down
ix -= 1
if (check_for_white_pieces(x+ix, y)):
current_legal_moves.append([x+ix, y])
break
elif(check_for_black_pieces(x+ix, y)):
break
elif(get_piece(x+ix, y) == None):
current_legal_moves.append([x+ix, y])
else:
break
#Vertical
ix = 0
iy = 0
while(True): #Up/right
ix += 1
iy += 1
if (check_for_white_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_black_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Down/right
ix -= 1
iy += 1
if (check_for_white_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_black_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Down/left
ix -= 1
iy -= 1
if (check_for_white_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_black_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
ix = 0
iy = 0
while(True): #Up/left
ix += 1
iy -= 1
if (check_for_white_pieces(x+ix, y+iy)):
current_legal_moves.append([x+ix, y+iy])
break
elif(check_for_black_pieces(x+ix, y+iy)):
break
elif(get_piece(x+ix, y+iy) == None):
current_legal_moves.append([x+ix, y+iy])
else:
break
elif(get_piece(x, y) == "k"): #King
if(check_for_white_pieces_or_none(x+1, y)):
current_legal_moves.append([x+1, y])
if(check_for_white_pieces_or_none(x+1, y+1)):
current_legal_moves.append([x+1, y+1])
if(check_for_white_pieces_or_none(x, y+1)):
current_legal_moves.append([x, y+1])
if(check_for_white_pieces_or_none(x-1, y+1)):
current_legal_moves.append([x-1, y+1])
if(check_for_white_pieces_or_none(x-1, y)):
current_legal_moves.append([x-1, y])
if(check_for_white_pieces_or_none(x-1, y-1)):
current_legal_moves.append([x-1, y-1])
if(check_for_white_pieces_or_none(x, y-1)):
current_legal_moves.append([x, y-1])
if(check_for_white_pieces_or_none(x+1, y-1)):
current_legal_moves.append([x+1, y-1])
elif(get_piece(x, y) == "p"): #Pawn
if(get_piece(x, y-1) == None):
current_legal_moves.append([x, y-1])
if(get_piece(x, y-2) == None) and (y == 7):
current_legal_moves.append([x, y-2])
if(check_for_white_pieces(x-1, y-1)):
current_legal_moves.append([x-1, y-1])
if(check_for_white_pieces(x+1, y-1)):
current_legal_moves.append([x+1, y-1])
return current_legal_moves
def check_for_white_pieces_or_none(x, y):
for i in white_pieces:
if((get_piece(x, y) == i) or (get_piece(x, y) == None)):
return True
return False
def check_for_white_pieces(x, y):
for i in white_pieces:
if(get_piece(x, y) == i):
return True
return False
def check_for_black_pieces_or_none(x, y):
for i in black_pieces:
if((get_piece(x, y) == i) or (get_piece(x, y) == None)):
return True
return False
def check_for_black_pieces(x, y):
for i in black_pieces:
if(get_piece(x, y) == i):
return True
return False
def move(x1, y1, x2, y2):
fro = get_piece(x1, y1)
t = get_piece(x2, y2)
if([x2, y2] in get_legal_moves(x1, y1)):
board[y2][x2] = get_piece(x1, y1)
board[y1][x1] = None
def change():
for i in range(1, 9):
if(board[1][i] == "p"):
while(True):
a = input("Type in the piece you want to change the pawn into: ")
if ((a in black_pieces) and (a != "p")):
board[1][i] = a
break
for i in range(1, 9):
if(board[8][i] == "P"):
while(True):
a = input("Type in the piece you want to change the pawn into: ")
if ((a in white_pieces) and (a != "P")):
board[8][i] = a
break
def get_move(white):
x1 = 0
x2 = 0
y1 = 0
y2 = 0
while(True):
in1 = list(input("Select piece to move. Format (x y). Example '1 1': "))
try:
x1 = int(in1[0])
y1 = int(in1[2])
if((len(get_legal_moves(x1, y1)) != 0) and ((white and get_piece(x1, y1) in white_pieces) or (not white and get_piece(x1, y1) in black_pieces))):
print("Valid moves:", get_legal_moves(x1, y1))
break
print("You cannot move that")
except:
print("Not valid")
while(True):
in2 = list(input("Select where to move. Format (x y). Example '2 1': "))
try:
x2 = int(in2[0])
y2 = int(in2[2])
if([x2, y2] in get_legal_moves(x1, y1)):
break
print("Not valid move")
except:
print("Not valid")
move(x1, y1, x2, y2)
change()
def enPassant():
k=1
def main():
#make_board(board_string)
global white
while(True):
present_board()
if(white):
print("White's turn!")
elif(not white):
print("Black's turn!")
get_move(white)
white = not white
make_board(board_string )
print(get_piece(1,2))
print(get_legal_moves(1,2))
for i in range(len(board)):
print(board[i])
main()
#LATER
#king hiding
#en passant