@Test
  public void eyeBallEngineSpeed() {
    Board b =
        JSONParser.getFromSetup(
            Side.BLACK,
            new String[] {
              "r,n,b,q,_,k,_,r,",
              "p,p,_,P,b,p,p,p,",
              "_,_,p,_,_,_,_,_,",
              "_,_,_,_,_,_,_,_,",
              "_,_,B,_,_,_,_,_,",
              "_,_,_,_,_,_,_,_,",
              "P,P,P,_,N,n,P,P,",
              "R,N,B,Q,K,_,_,R,"
            });

    ABWithHashMoveEngine aBWithHashMoveEngine =
        new ABWithHashMoveEngine(new StaticScorer(), MoveContainerFactory.buildMoveContainers(10));

    final long now = System.currentTimeMillis();
    MovePath movePath = aBWithHashMoveEngine.iterativeSearch(b, 6);
    final long timeTaken = System.currentTimeMillis() - now;
    List<Move> moveList = movePath.asList();

    LOGGER.info(
        "Alpha Beta with Hash Move, Move Path: {}", PGNParser.toAlgebraicNotation(moveList, b));
    LOGGER.info("Time Taken: {}", timeTaken);

    // 1... Nxd1 2.dxc8=Q Qxc8 3.Kxd1 h5 4.g4
  }
  public void testEngineAgainstAlphaBeta(MockScorer scorer, int level, MockBoard b) {

    ABWithHashMoveEngine engine =
        new ABWithHashMoveEngine(scorer, MoveContainerFactory.buildMoveContainers(level + 1));

    AlphaBetaEngine alphaBetaEngine =
        new AlphaBetaEngine(scorer, MoveContainerFactory.buildMoveContainers(level + 1));

    Board b1 = b.copy();
    Board b2 = b.copy();

    LOGGER.info("Alpha Beta level={}", level);
    MovePath abMovePath = alphaBetaEngine.search(b1, level);
    List<Move> alphaBetaMoveList = abMovePath.asList();
    LOGGER.info(
        "AlphaBetaEngine score: {} Move Path: {}",
        abMovePath.getScore(),
        MockBoard.movesToString(alphaBetaMoveList));

    LOGGER.info("Alpha Beta With hash level={}", level);
    MovePath mp = engine.iterativeSearch(b2, level);
    List<Move> engineMoveList = mp.asList();
    LOGGER.info(
        "Alpha Beta with Hash Move score: {} Path: {}",
        mp.getScore(),
        MockBoard.movesToString(engineMoveList));

    assertThat(alphaBetaMoveList, is(equalTo(engineMoveList)));
  }