(game "Tic-Tac-Toe" 
    (players 2) 
    (equipment { 
        (board (square 3)) 
        (piece "Disc" P1) 
        (piece "Cross" P2) 
    }) 
    (rules 
        (play (move Add (to (sites Empty))))
        (end ("Line3Win"))
    )
)

//------------------------------------------------------------------------------

(metadata 
    
    (info
        {
        (description "Tic-Tac-Toe is a game of alignment popular among children. It is known from the nineteenth century in England and the United States, but may be older.")
        (aliases {"Noughts and Crosses" "Oughts and Crosses" "Tik Tak Tol" "Tripp Trapp Trull" "Tick-Tack-Toe"})
        (rules "Play occurs on a 3x3 grid. One player places an X, the other places an O and players take turns placing their marks in the grid, attempting to get three in a row of their colour.")
        (source "Murray 1951: 40.")
        (id "100")
        (version "1.3.12")
        (classification "board/space/line")
        (credit "Eric Piette")
        (origin "This game was played in Unknown, from around 1850 to 1883.")
        }
    )
    
    (ai 
        "Tic-Tac-Toe_ai"
    )
    
)