Chess

Chess Swift package

Example

Interactive command line program

vargame=Game()print(game)while !game.isGameOver {print("\n?", terminator:"")guardlet line =readLine()else{continue}do{try game.move(line)print(game)}catch{print(error.localizedDescription)}}

Output

White to move.
8 r n b q k b n r
7 p p p p p p p p
6 5 4 3 2 P P P P P P P P
1 R N B Q K B N R
a b c d e f g h
? f3
1. f3
Black to move.
8 r n b q k b n r
7 p p p p p p p p
6 5 4 3 P 2 P P P P P P P
1 R N B Q K B N R
a b c d e f g h
? e6
1. f3 e6
White to move.
8 r n b q k b n r
7 p p p p p p p
6 p 5 4 3 P 2 P P P P P P P
1 R N B Q K B N R
a b c d e f g h
? g4
1. f3 e6
2. g4
Black to move.
8 r n b q k b n r
7 p p p p p p p
6 p 5 4 P 3 P 2 P P P P P P
1 R N B Q K B N R
a b c d e f g h
? Qh4#
1. f3 e6
2. g4 Qh4#
Black wins.
8 r n b k b n r
7 p p p p p p p
6 p 5 4 P q
3 P 2 P P P P P P
1 R N B Q K B N R
a b c d e f g h