private bool ValidMove(Move move, Game game)
 {
     return ModelState.IsValid && game.Board[game.HSize * move.Y + move.X] == 0 && game.CurrentPlayer == move.Player && game.Winner == -1;
 }
        // POST api/games
        public HttpResponseMessage Post(BoardSize size)
        {
            if (ModelState.IsValid)
            {
                var game = new Game
                    {
                        Id = games.Count + 1,
                        Winner = -1,
                        Board = new int[size.Width * size.Height],
                        HSize = size.Width,
                        VSize = size.Height,
                        Players = new List<int> {1},
                        CurrentPlayer = 1
                    };
                games.Add(game);
                var response = Request.CreateResponse(HttpStatusCode.Created, new { Player = 1, GameId = game.Id });
                var uri = Url.Link("DefaultAPI", new {id = game.Id});
                response.Headers.Location = new Uri(uri);

                return response;
            }
            return Request.CreateErrorResponse(HttpStatusCode.BadRequest, "bad input");
        }
        private void CheckBoardForWinner(Game game)
        {
            var bconv = new BoardConverter();
            var bchk = new Boardchecker();

            var board = bconv.ConvertToPlayerArray(game.Board, game.VSize);
            var winner = bchk.DetermineWinner(board);
            if ((int) winner > 0)
                game.Winner = (int) winner;
            else if (bchk.FullBoard(board))
                game.Winner = 0;
        }