b - black, w - white

K - King

Q - Queen

B - Bishop

N - Knight

R - Rook

P - Pawn

  ---------------------------
    a  b  c  d  e  f  g  h
   |--|--|--|--|--|--|--|--|
  8|bR|bN|bB|bQ|bK|bB|bN|bR|8
  7|bP|bP|bP|bP|bP|bP|bP|bP|7
  6|__|__|__|__|__|__|__|__|6
  5|__|__|__|__|__|__|__|__|5
  4|__|__|__|__|__|__|__|__|4
  3|__|__|__|__|__|__|__|__|3
  2|wP|wP|wP|wP|wP|wP|wP|wP|2
  1|wR|wN|wB|wQ|wK|wB|wN|wR|1
   |--|--|--|--|--|--|--|--|
    a  b  c  d  e  f  g  h

  ---------------------------
  White move: <User Input>

• After a move, if it puts opponent's King under check, the program prints "Check".

  ___________________________
  |          Check          |
  ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
  

• If a checkmate is indicated, the program prints "Checkmate".

  ___________________________
  |        Checkmate        |
  ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
  

• If a stalemate is indicated, the program prints "Stalemate".

  ___________________________
  |        Stalemate        |
  ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
  

Accepts input of the form "FileRank FileRank".

• The first "FileRank" indicates the coordinates of the piece to be moved, and the second indicates where to move it to.

• For example, moving white Pawn e2 => e3:

  ---------------------------
  White move: e2 e3
  

Castling move

• Using where the king begins and ends.

• For example, move white King e1 => g1, and white Rook h1 => f1:

  ---------------------------
  White move: e1 g1
  

Pawn Promotion

• Append the piece to be promoted after the move with a space.

• If no promotion is indicated, assumes it promote to a Queen.

• For example, moves white Pawn p7 => p8, and promote it to a Knight:

  ---------------------------
  White move: g7 g8 N
  

• A player can resign by entering "resign".

• For example, white player resigns:

  ---------------------------
  White move: resign
  

• Offer a draw by appending "draw?" to the end of an otherwise regular move.

• For example:

  ---------------------------
  White move: e1 g1draw?
  

• The draw can be acceped by the other player entering only "draw" on the next move.

  ---------------------------
  Black move: draw
  

• The program will prints out "White wins", "Black wins", or "draw".

  ___________________________
  |         White wins       |
  ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
  ___________________________
  |         Black wins       |
  ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
  ___________________________
  |           draw           |
  ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾