Topics Classes Methods Data Collections: Lists, Tuples, and Dictionaries String Manipulation Chess Objective: practicing with classes, instance methods, data collections, loops, if and elif statements, and string methods Description In this assignment you will write a program that shows the valid moves of chess pieces. Your program will draw a board with 64 squares using the traditional layout, next ask the user to choose a move, and then, depending on the user's choice, redraw the board with the selected chess piece and its valid moves. Please see the examples of valid moves of chess pieces and the traditional chess board layout below: At the beginning, your program should draw an empty chess board and prompt the user to enter a move: Welcome to the Chess Game! a b c d e f g h +---+---+---+---+---+---+---+---+ 8| | | | | | | | |8 +---+---+---+---+---+---+---+---+ 7| | | | | | | | |7
Topics
- Classes
- Methods
- Data Collections: Lists, Tuples, and Dictionaries
- String Manipulation
Chess
Objective: practicing with classes, instance methods, data collections, loops, if and elif statements, and string methods
Description
In this assignment you will write a program that shows the valid moves of chess pieces. Your program will draw a board with 64 squares using the traditional layout, next ask the user to choose a move, and then, depending on the user's choice, redraw the board with the selected chess piece and its valid moves. Please see the examples of valid moves of chess pieces and the traditional chess board layout below:
At the beginning, your program should draw an empty chess board and prompt the user to enter a move:
Welcome to the Chess Game!
a b c d e f g h
+---+---+---+---+---+---+---+---+
8| | | | | | | | |8
+---+---+---+---+---+---+---+---+
7| | | | | | | | |7
+---+---+---+---+---+---+---+---+
6| | | | | | | | |6
+---+---+---+---+---+---+---+---+
5| | | | | | | | |5
+---+---+---+---+---+---+---+---+
4| | | | | | | | |4
+---+---+---+---+---+---+---+---+
3| | | | | | | | |3
+---+---+---+---+---+---+---+---+
2| | | | | | | | |2
+---+---+---+---+---+---+---+---+
1| | | | | | | | |1
+---+---+---+---+---+---+---+---+
a b c d e f g h
Enter a chess piece and its position or type X to exit:
A move is represented as a three-letter string where the first letter corresponds to a chess piece initial: K stands for king, Q - queen, B - bishop, N - knight, and R - rook (a chariot). Pawns do not have initials, and you will not be tested on their implementation. The next letter in the move is the position on the board that corresponds to one of eight columns (called files). The columns (files) are labeled as a, b, c, d, e, f, g, h. The third symbol is a digit that corresponds to one of eight rows (called ranks). The rows (ranks) are labeled as 1, 2, 3, 4, 5, 6, 7, 8. For example, if the user enters Re6, your program should generate the following output where R is the initial for a rook, and all possible moves of the rook are marked by x:
a b c d e f g h
+---+---+---+---+---+---+---+---+
8| | | | | x | | | |8
+---+---+---+---+---+---+---+---+
7| | | | | x | | | |7
+---+---+---+---+---+---+---+---+
6| x | x | x | x | R | x | x | x |6
+---+---+---+---+---+---+---+---+
5| | | | | x | | | |5
+---+---+---+---+---+---+---+---+
4| | | | | x | | | |4
+---+---+---+---+---+---+---+---+
3| | | | | x | | | |3
+---+---+---+---+---+---+---+---+
2| | | | | x | | | |2
+---+---+---+---+---+---+---+---+
1| | | | | x | | | |1
+---+---+---+---+---+---+---+---+
a b c d e f g h
Enter a chess piece and its position or type X to exit:
If the user enters Kd5, your program should produce the following output where K is the initial for the king, and all squares where the king can move are marked with x:
a b c d e f g h
+---+---+---+---+---+---+---+---+
8| | | | | | | | |8
+---+---+---+---+---+---+---+---+
7| | | | | | | | |7
+---+---+---+---+---+---+---+---+
6| | | x | x | x | | | |6
+---+---+---+---+---+---+---+---+
5| | | x | K | x | | | |5
+---+---+---+---+---+---+---+---+
4| | | x | x | x | | | |4
+---+---+---+---+---+---+---+---+
3| | | | | | | | |3
+---+---+---+---+---+---+---+---+
2| | | | | | | | |2
+---+---+---+---+---+---+---+---+
1| | | | | | | | |1
+---+---+---+---+---+---+---+---+
a b c d e f g h
Enter a chess piece and its position or type X to exit:
If the user does not enter a valid move that is included in all possible combinations of chess piece initials (K, Q, B, N, R), files (a, b, c, d, e, f, g, h), and ranks (1, 2, 3, 4, 5, 6, 7, 8), then the program should reprint the prompt:
Enter a chess piece and its position or type X to exit:
If the user enters X (or x), then the program should print 'Goodbye!' and terminate:
Goodbye!
NOTE: The user can use either upper or lowercase letters, for example X or x should result in the termination of the program, Ke3, KE3, kE3, or ke3 means the same move.
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