public class Field
{
    GameStateModel GameState { get; set; }

    public int Row { get; set; }
    public int Col { get; set; }

    private Ship ShipOnField
    {
        get
        {
            return GameState.Ships.Where(s => s.Row == Row && s.Col == Col).FirstOrDefault();
        }
    }

    public bool HasShip
    {
        get
        {
            return ShipOnField != null;
        }
    }

    public bool IsShipSunk
    {
        get
        {
            return ShipOnField != null && ShipOnField.Ded;
        }
    }
}