public static void TestUndoNYI()
{
string fen = "rnbqk1nr/ppp2ppp/8/2bpp3/3PP3/N7/PPP2PPP/R1BQKBNR w KQkq - 2 4";
AtomicChessGame game = new AtomicChessGame(fen);
game.MakeMove(new Move("E4", "D5", Player.White), true);
Assert.Throws <NotImplementedException>(() => game.Undo());
}