The brilliant chess move (58)

Discussion of anything and everything relating to chess playing software and machines.

Moderator: Ras

yanquis1972
Posts: 1766
Joined: Wed Jun 03, 2009 12:14 am

Re: The brilliant chess move (58)

Post by yanquis1972 »

ivanhoe has had a6 as its second move for some time but apparently needs insane depth to switch...d28 and still preferring Rf3. i think i'll let it run to see how long it takes. this is perhaps an example of why rybka might be superior for CC players, depending on their style. i think IH is probably superior for on the fly analysis.
Dann Corbit
Posts: 12778
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: The brilliant chess move (58)

Post by Dann Corbit »

yanquis1972 wrote:ivanhoe has had a6 as its second move for some time but apparently needs insane depth to switch...d28 and still preferring Rf3. i think i'll let it run to see how long it takes. this is perhaps an example of why rybka might be superior for CC players, depending on their style. i think IH is probably superior for on the fly analysis.
You stopped 1 ply early.
08:48 and ply 27 on my machine. By the way, the default for these clone engines is multithreading turned off, so I see lots of results where someone is clearly running one thread.

Code: Select all

    Best move (Ivanhoe64 v70a): a5-a6
    Not found in: 24:00
      2	00:00	         208	0	+0.63	Rb3f3 Ra7a6
      2	00:00	         318	0	+0.63	Rb3f3 Ra7a6
      3	00:00	         665	0	+0.44	Rb3f3 Qf7e7 Qe2d3 e6e5
      3	00:00	         799	0	+0.44	Rb3f3 Qf7e7 Qe2d3 e6e5
      4	00:00	       1.079	0	+0.46	Rb3f3 Qf7e7 Bd2c3 Ra7a6
      4	00:00	       1.606	0	+0.46	Rb3f3 Qf7e7 Bd2c3 Ra7a6
      5	00:00	       1.945	0	+0.40	Rb3f3 Qf7e7 Bd2c3 Ra7a6 Rf3f4
      5	00:00	       2.840	0	+0.40	Rb3f3 Qf7e7 Bd2c3 Ra7a6 Rf3f4
      6	00:00	       3.520	0	+0.45	Rb3f3 Qf7e7 Bd2c3 Ra7a6 Rf3f4 Ra8f8
      6	00:00	       3.824	0	+0.45	Rb3f3 Qf7e7 Bd2c3 Ra7a6 Rf3f4 Ra8f8
      7	00:00	       5.850	0	+0.40	Rb3f3 Qf7e7 Bd2c3 Bf6g7 Rb1e1 Ra8e8 Qe2b2 e6e5
      7	00:00	       7.765	0	+0.40	Rb3f3 Qf7e7 Bd2c3 Bf6g7 Rb1e1 Ra8e8 Qe2b2 e6e5
      8+	00:00	       9.942	0	+0.48	Rb3f3 Qf7e7 Bd2c3 Bf6g7 Rb1e1 Ra8e8 Qe2b2 e6e5
      8	00:00	      13.419	838.000	+0.36	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 e6e5 d4xe5 Qe7xc5 Rf3xf6 Qc5xc3
      8	00:00	      43.011	1.387.000	+0.36	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 e6e5 d4xe5 Qe7xc5 Rf3xf6 Qc5xc3
      9	00:00	      62.266	2.008.000	+0.38	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Bf6g7 Qe2b2 e6e5 d4xe5 Qe7xc5 Bc3b4 Qc5c4
      9	00:00	      78.929	1.679.000	+0.38	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Bf6g7 Qe2b2 e6e5 d4xe5 Qe7xc5 Bc3b4 Qc5c4
     10	00:00	     101.363	2.156.000	+0.39	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Bf6g7 Qe2e3 Ra7a8 Qe3g5 Ra8a6 Kg1g2 Qe7c7
     10	00:00	     148.728	2.360.000	+0.39	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Bf6g7 Qe2e3 Ra7a8 Qe3g5 Ra8a6 Kg1g2 Qe7c7
     11	00:00	     180.564	2.866.000	+0.39	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Bf6g7 Qe2d2 Ra7a8 Qd2g5 Ra8a6 Kg1g2 Qe7c7
     11	00:00	     258.120	2.745.000	+0.39	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Bf6g7 Qe2d2 Ra7a8 Qd2g5 Ra8a6 Kg1g2 Qe7c7
     12	00:00	     377.444	3.462.000	+0.38	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7g7 Qe2b2 Bf6d8 Qb2d2 Ra7a8 Kg1g2 Bd8f6 Qd2b2 Bf6d8 Qb2d2
     12	00:00	     833.548	3.806.000	+0.38	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7g7 Qe2b2 Bf6d8 Qb2d2 Ra7a8 Kg1g2 Bd8f6 Qd2b2 Bf6d8 Qb2d2
     13	00:00	     973.437	3.893.000	+0.41	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7g7 Qe2b2 Qg7e7 Rf3e3 Qe7d7 Qb2e2 Bf6d8 Re3xe6 Re8xe6 Qe2xe6+ Qd7xe6 Re1xe6 Bd8xa5
     13	00:00	   1.087.962	3.663.000	+0.41	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7g7 Qe2b2 Qg7e7 Rf3e3 Qe7d7 Qb2e2 Bf6d8 Re3xe6 Re8xe6 Qe2xe6+ Qd7xe6 Re1xe6 Bd8xa5
     14	00:00	   1.360.190	3.965.000	+0.41	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7g7 Qe2b2 Qg7e7 Rf3e3 Qe7d7 Qb2e2 Bf6d8 Re3xe6 Re8xe6 Qe2xe6+ Qd7xe6 Re1xe6 Bd8xa5
     14	00:00	   1.608.783	3.962.000	+0.41	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7g7 Qe2b2 Qg7e7 Rf3e3 Qe7d7 Qb2e2 Bf6d8 Re3xe6 Re8xe6 Qe2xe6+ Qd7xe6 Re1xe6 Bd8xa5
     15	00:00	   2.182.139	4.237.000	+0.44	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7g7 Qe2d2 Ra7a8 Rf3e3 Qg7d7 Kg1g2 Bf6d8 Re3f3 Qd7g7 Re1b1 Bd8f6
     15	00:00	   2.777.135	4.339.000	+0.44	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7g7 Qe2d2 Ra7a8 Rf3e3 Qg7d7 Kg1g2 Bf6d8 Re3f3 Qd7g7 Re1b1 Bd8f6
     16	00:01	   4.980.084	4.765.000	+0.48	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Qe2b2 Re8f8 Rb1e1 Qe7f7 Kg1g2 Ra7a8 Qb2e2 Rf8e8 Rf3e3 Bf6d8 Re3xe6 Re8xe6 Qe2xe6 Qf7xe6 Re1xe6 Bd8xa5
     16	00:01	   5.411.533	4.625.000	+0.48	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Qe2b2 Re8f8 Rb1e1 Qe7f7 Kg1g2 Ra7a8 Qb2e2 Rf8e8 Rf3e3 Bf6d8 Re3xe6 Re8xe6 Qe2xe6 Qf7xe6 Re1xe6 Bd8xa5
     17	00:01	   8.017.689	4.940.000	+0.47	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Kg1g2 Qe7f7 Rb1f1 Qf7e7 Rf3e3 Qe7d7 Rf1e1 Bf6d8 Re3xe6 Qd7xe6 Qe2xe6+ Re8xe6 Re1xe6 Bd8xa5 Bc3xa5 Ra7xa5 Re6d6 Ra5a4 Rd6d8+ Kg8g7 Rd8d7+ Kg7h6
     17	00:02	   9.426.054	4.953.000	+0.47	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Kg1g2 Qe7f7 Rb1f1 Qf7e7 Rf3e3 Qe7d7 Rf1e1 Bf6d8 Re3xe6 Qd7xe6 Qe2xe6+ Re8xe6 Re1xe6 Bd8xa5 Bc3xa5 Ra7xa5 Re6d6 Ra5a4 Rd6d8+ Kg8g7 Rd8d7+ Kg7h6
     18	00:02	  11.593.171	5.055.000	+0.47	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Kg1g2 Qe7f7 Rb1f1 Qf7e7 Rf3e3 Qe7d7 Rf1e1 Bf6d8 Re3xe6 Qd7xe6 Qe2xe6+ Re8xe6 Re1xe6 Bd8xa5 Bc3xa5 Ra7xa5 Re6e8+ Kg8f7 Re8c8 Ra5a4 Rc8c7+ Kf7g8
     18	00:03	  13.702.194	5.046.000	+0.47	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Kg1g2 Qe7f7 Rb1f1 Qf7e7 Rf3e3 Qe7d7 Rf1e1 Bf6d8 Re3xe6 Qd7xe6 Qe2xe6+ Re8xe6 Re1xe6 Bd8xa5 Bc3xa5 Ra7xa5 Re6e8+ Kg8f7 Re8c8 Ra5a4 Rc8c7+ Kf7g8
     19	00:03	  18.215.766	5.211.000	+0.48	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Kg1g2 Qe7f7 Rb1a1 Qf7e7 Ra1e1 Qe7f7 Qe2d2 Ra7a8 Qd2f4 Re8f8 Qf4g4 Rf8e8 Rf3e3 Bf6d8 Re3xe6 Re8xe6 Qg4xe6 Qf7xe6 Re1xe6 Bd8xa5 Bc3xa5 Ra8xa5 Re6e8+ Kg8f7 Re8c8 Ra5b5 Rc8c7+ Kf7g8 Kg2f3 Rb5b2 Rc7e7 h7h6 Kf3e3 Kg8f8 Re7h7 h6h5
     19	00:04	  21.788.020	5.211.000	+0.48	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Kg1g2 Qe7f7 Rb1a1 Qf7e7 Ra1e1 Qe7f7 Qe2d2 Ra7a8 Qd2f4 Re8f8 Qf4g4 Rf8e8 Rf3e3 Bf6d8 Re3xe6 Re8xe6 Qg4xe6 Qf7xe6 Re1xe6 Bd8xa5 Bc3xa5 Ra8xa5 Re6e8+ Kg8f7 Re8c8 Ra5b5 Rc8c7+ Kf7g8 Kg2f3 Rb5b2 Rc7e7 h7h6 Kf3e3 Kg8f8 Re7h7 h6h5
     20	00:05	  29.765.964	5.420.000	+0.50	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Kg1g2 Qe7f7 Rb1a1 Ra7a6 Ra1e1 Ra6a8 Qe2d1 Re8f8 Qd1d2 Qf7d7 Qd2e2 Bf6d8 Rf3xf8+ Kg8xf8 Qe2e5 Kf8g8 Qe5d6 Qd7f7 a5a6
     20	00:07	  38.129.926	5.455.000	+0.50	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Kg1g2 Qe7f7 Rb1a1 Ra7a6 Ra1e1 Ra6a8 Qe2d1 Re8f8 Qd1d2 Qf7d7 Qd2e2 Bf6d8 Rf3xf8+ Kg8xf8 Qe2e5 Kf8g8 Qe5d6 Qd7f7 a5a6
     21	00:12	  68.369.255	5.640.000	+0.55	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Qe2d2 Bf6g7 Kg1g2 Re8f8 Rf3xf8+ Qe7xf8 Qd2b2 Qf8d8 h4h5 g6xh5 Rb1h1 Qd8d7 Rh1xh5 Qd7f7 Rh5h4 Ra7a8 Rh4f4 Bg7f6 Qb2e2 h7h5
     21	00:14	  80.842.053	5.620.000	+0.55	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Qe2d2 Bf6g7 Kg1g2 Re8f8 Rf3xf8+ Qe7xf8 Qd2b2 Qf8d8 h4h5 g6xh5 Rb1h1 Qd8d7 Rh1xh5 Qd7f7 Rh5h4 Ra7a8 Rh4f4 Bg7f6 Qb2e2 h7h5
     22+	00:19	 107.449.803	5.654.000	+0.63	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Qe2d2 Bf6g7 Kg1g2 Re8f8 Rf3xf8+ Qe7xf8 Qd2b2 Qf8d8 Qb2e2 Qd8e7 h4h5 g6xh5 Qe2xh5 Qe7f7 Qh5e2 Ra7a8 f2f4 Ra8f8 Rb1e1 Rf8e8 a5a6 b7xa6 Qe2xa6
     22	00:20	 116.590.970	5.683.000	+0.63	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Bf6g7 h4h5 g6xh5 Rf3f4 Qe7g5 Kg1g2 Qg5g6 Re1h1 Re8f8 Rf4xf8+ Kg8xf8 Rh1xh5 Kf8g8 Rh5h1 Kg8f7 Rh1e1 Qg6f6 Qe2b2 Kf7g8 a5a6 Ra7xa6 Qb2xb7
     22	00:23	 133.752.231	5.659.000	+0.63	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Bf6g7 h4h5 g6xh5 Rf3f4 Qe7g5 Kg1g2 Qg5g6 Re1h1 Re8f8 Rf4xf8+ Kg8xf8 Rh1xh5 Kf8g8 Rh5h1 Kg8f7 Rh1e1 Qg6f6 Qe2b2 Kf7g8 a5a6 Ra7xa6 Qb2xb7
     23+	00:35	 200.482.909	5.706.000	+0.71	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Bf6g7 h4h5 g6xh5 Rf3f4 Qe7g5 Kg1g2 Qg5g6 Re1h1 Re8f8 Rf4xf8+ Kg8xf8 Rh1xh5 Kf8g8 Bc3d2 h7h6 Rh5h4 Ra7a8 Rh4g4 Qg6f6 Rg4f4 Qf6g6 Rf4h4 Qg6f6 Rh4g4 h6h5 Rg4g5 Kg8f8 Bd2f4 Qf6xd4 Bf4d6+ Kf8f7 Qe2xh5+ Kf7f6
     23	00:38	 218.516.274	5.719.000	+0.70	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Bf6g7 h4h5 g6xh5 Rf3f4 Qe7g5 Kg1g2 Qg5g6 Re1h1 Re8f8 Rf4xf8+ Kg8xf8 Rh1xh5 Kf8g8 Rh5h1 Qg6f5 Rh1e1 Kg8f7 Qe2b2 Qf5d3 Re1e3 Qd3b5 Qb2c2 h7h5
     23	00:43	 244.107.188	5.692.000	+0.70	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Bf6g7 h4h5 g6xh5 Rf3f4 Qe7g5 Kg1g2 Qg5g6 Re1h1 Re8f8 Rf4xf8+ Kg8xf8 Rh1xh5 Kf8g8 Rh5h1 Qg6f5 Rh1e1 Kg8f7 Qe2b2 Qf5d3 Re1e3 Qd3b5 Qb2c2 h7h5
     24	01:03	 364.301.354	5.768.000	+0.64	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7f7 Qe2e3 Qf7f8 Kg1g2 Ra7a8 Qe3f4 Bf6g7 Qf4g4 Qf8e7 h4h5 g6xh5 Qg4xh5 Re8f8 Rf3xf8+ Ra8xf8 Re1h1 Bg7f6 f2f4 Qe7d7 Qh5g4+ Bf6g7 Qg4g5
     24	01:19	 456.720.002	5.788.000	+0.64	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7f7 Qe2e3 Qf7f8 Kg1g2 Ra7a8 Qe3f4 Bf6g7 Qf4g4 Qf8e7 h4h5 g6xh5 Qg4xh5 Re8f8 Rf3xf8+ Ra8xf8 Re1h1 Bg7f6 f2f4 Qe7d7 Qh5g4+ Bf6g7 Qg4g5
     25	01:36	 560.018.844	5.820.000	+0.64	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7f7 Qe2e3 Qf7f8 Kg1g2 Ra7a8 Qe3f4 Bf6g7 Qf4g4 Qf8e7 h4h5 g6xh5 Qg4xh5 Re8f8 Rf3xf8+ Ra8xf8 Re1h1 Bg7f6 f2f4 Qe7g7 Qh5e2 Rf8e8 a5a6 b7xa6 Qe2xa6 Qg7g6 Qa6e2 Bf6g7
     25	02:13	 783.734.311	5.872.000	+0.64	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7f7 Qe2e3 Qf7f8 Kg1g2 Ra7a8 Qe3f4 Bf6g7 Qf4g4 Qf8e7 h4h5 g6xh5 Qg4xh5 Re8f8 Rf3xf8+ Ra8xf8 Re1h1 Bg7f6 f2f4 Qe7g7 Qh5e2 Rf8e8 a5a6 b7xa6 Qe2xa6 Qg7g6 Qa6e2 Bf6g7
     26	02:41	 944.975.726	5.882.000	+0.66	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7f7 Qe2e3 Qf7f8 Kg1g2 Ra7a8 Qe3f4 Bf6g7 Qf4g4 Qf8e7 h4h5 g6xh5 Qg4xh5 Re8f8 Rf3xf8+ Ra8xf8 Re1h1 Bg7f6 Qh5e2 Bf6g7 f2f4 Qe7d7 Qe2h5 Bg7h8 Rh1b1 Bh8g7 Qh5e2 Rf8a8 Rb1e1 Ra8e8 Re1h1 Re8a8 Qe2c2
     26	03:55	1.401.530.448	5.954.000	+0.66	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7f7 Qe2e3 Qf7f8 Kg1g2 Ra7a8 Qe3f4 Bf6g7 Qf4g4 Qf8e7 h4h5 g6xh5 Qg4xh5 Re8f8 Rf3xf8+ Ra8xf8 Re1h1 Bg7f6 Qh5e2 Bf6g7 f2f4 Qe7d7 Qe2h5 Bg7h8 Rh1b1 Bh8g7 Qh5e2 Rf8a8 Rb1e1 Ra8e8 Re1h1 Re8a8 Qe2c2
     27+	05:51	2.089.028.748	5.959.000	+0.74	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Qe7f7 Qe2e3 Qf7f8 Kg1g2 Ra7a8 Qe3f4 Bf6g7 Qf4g4 Qf8e7 h4h5 g6xh5 Qg4xh5 Re8f8 Rf3xf8+ Ra8xf8 Re1h1 Bg7f6 Qh5e2 Bf6g7 f2f4 Qe7d7 Qe2h5 Bg7h8 Rh1b1 Bh8g7 Qh5e2 Rf8a8 Rb1e1
     27	06:42	2.399.834,504	5.969.000	+0.68	Rb3f3 Qf7e7 Bd2c3 Ra8e8 Rb1e1 Bf6g7 h4h5 g6xh5 Rf3f4 Qe7g5 Kg1g2 Qg5g6 Rf4h4 Ra7a8 Rh4xh5 Re8e7 Rh5h4 Ra8f8 Rh4g4 Qg6f5 Rg4f4 Qf5g6 Rf4xf8+ Bg7xf8 Re1a1 Qg6e8 Ra1h1 Bf8g7
     27+	08:48	3.183.060,010	6.026.000	+0.82	a5a6
     27+	10:28	3.783.338,718	6.028.000	+1.12	a5a6
     27	12:00	4.350.476,256	6.042.000	+1.22	a5a6 Ra7xa6 Rb3xb7 Ra6a1 Rb7xf7 Ra1xb1+ Kg1g2 Kg8xf7 Qe2f3 Ra8a1 Qf3f4 Rb1g1+ Kg2f3 Ra1a7 Bd2e3 h7h5 Qf4d6 Rg1b1 Qd6xc6 Rb1b4 Qc6c8 Bf6xd4 Be3h6 Bd4g7 Bh6xg7 Kf7xg7 Qc8xe6 Ra7f7+ Kf3g2 d5d4 Qe6e5+ Rf7f6 Qe5d5 Rf6f5 Qd5d7+ Rf5f7 Qd7d6 Rf7f5 Qd6e7+ Rf5f7 Qe7e2 Kg7h7 Qe2d2 Rb4a4 Qd2c2 Ra4b4 c5c6 Rf7c7 Qc2e4
     27	12:24	4.492.521,481	6.041.000	+1.22	a5a6 Ra7xa6 Rb3xb7 Ra6a1 Rb7xf7 Ra1xb1+ Kg1g2 Kg8xf7 Qe2f3 Ra8a1 Qf3f4 Rb1g1+ Kg2f3 Ra1a7 Bd2e3 h7h5 Qf4d6 Rg1b1 Qd6xc6 Rb1b4 Qc6c8 Bf6xd4 Be3h6 Bd4g7 Bh6xg7 Kf7xg7 Qc8xe6 Ra7f7+ Kf3g2 d5d4 Qe6e5+ Rf7f6 Qe5d5 Rf6f5 Qd5d7+ Rf5f7 Qd7d6 Rf7f5 Qd6e7+ Rf5f7 Qe7e2 Kg7h7 Qe2d2 Rb4a4 Qd2c2 Ra4b4 c5c6 Rf7c7 Qc2e4
     28	13:56	5.072.354,564	6.065.000	+1.18	a5a6 Ra7xa6 Rb3xb7 Ra6a1 Rb7xf7 Ra1xb1+ Kg1g2 Kg8xf7 Qe2f3 Ra8a1 Qf3f4 Rb1g1+ Kg2f3 Ra1a7 Bd2e3 h7h5 Qf4d6 Rg1b1 Qd6xc6 Rb1b3 Kf3g2 Rb3b7 Qc6d6 Rb7d7 Qd6f4 Rd7d8 Be3d2 Rd8a8 Qf4d6 Bf6e7 Qd6b6 Ra7a2 Bd2g5 Be7xg5 h4xg5 Ra8f8 Qb6b1 Ra2d2 c5c6 Rd2xd4 Qb1b7+ Kf7g8 c6c7 Rd4c4
     28	15:04	5.487.883,713	6.071.000	+1.18	a5a6 Ra7xa6 Rb3xb7 Ra6a1 Rb7xf7 Ra1xb1+ Kg1g2 Kg8xf7 Qe2f3 Ra8a1 Qf3f4 Rb1g1+ Kg2f3 Ra1a7 Bd2e3 h7h5 Qf4d6 Rg1b1 Qd6xc6 Rb1b3 Kf3g2 Rb3b7 Qc6d6 Rb7d7 Qd6f4 Rd7d8 Be3d2 Rd8a8 Qf4d6 Bf6e7 Qd6b6 Ra7a2 Bd2g5 Be7xg5 h4xg5 Ra8f8 Qb6b1 Ra2d2 c5c6 Rd2xd4 Qb1b7+ Kf7g8 c6c7 Rd4c4
     29+	18:14	6.667.296,706	6.095.000	+1.26	a5a6 Ra7xa6 Rb3xb7 Ra6a1 Rb7xf7 Ra1xb1+ Kg1g2 Kg8xf7 Qe2f3 Ra8a1 Qf3f4 Rb1g1+ Kg2f3 Ra1a7 Bd2e3 h7h5 Qf4d6 Rg1b1 Qd6xc6 Rb1b3 Kf3g2 Rb3b7 Qc6d6 Rb7d7 Qd6f4 Rd7d8 Be3d2 Rd8a8 Qf4d6 Bf6e7 Qd6b6 Ra7a6 Qb6b7 Ra6a7 Qb7b5 Ra7a4 Qb5d3
     29	22:11	8.151.828,168	6.127.000	+1.29	a5a6 Ra7xa6 Rb3xb7 Ra6a1 Rb7xf7 Ra1xb1+ Kg1g2 Kg8xf7 Qe2f3 Ra8a1 Qf3f4 Rb1g1+ Kg2f3 Ra1a7 Bd2e3 h7h5 Qf4d6 Rg1b1 Qd6xc6 Rb1b3 Kf3g2 Rb3b7 Qc6d6 Rb7d7 Qd6f4 Rd7d8 Be3c1 Rd8f8 Qf4f3 Kf7g7 Qf3d3 Rf8a8 Bc1g5 Ra7a4 Bg5e3 Ra4c4 Qd3b1 Ra8f8
   1/29/2010 10:15:18 AM, Time for this analysis: 00:24:00, Rated time: 7:36:00
zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: The brilliant chess move (58)

Post by zullil »

zullil wrote:[d]r5k1/rp3q1p/2p1pbp1/P1Pp4/3P3P/1R4P1/3BQP2/1R4K1 w - -
Crafty-23.1 at 22M nps for 2.5 hours sticks to Rf3:

Code: Select all

Crafty v23.1 (8 cpus)

White(1): setboard r5k1/rp3q1p/2p1pbp1/P1Pp4/3P3P/1R4P1/3BQP2/1R4K1 w - - 0 1 
White(1): st 9000
search time set to 9000.00.
White(1): display stats
display statistics at end of each search.
White(1): go
              time limit 150:00 (+0.00) (150:00)
              depth   time  score   variation (1)
starting thread 1
starting thread 2
starting thread 3
starting thread 4
starting thread 5
starting thread 6
starting thread 7
                8->   0.04   0.49   1. Bc3 Re8 2. Re1 Bd8 3. Qa2 Bf6 4.
                                    Kg2 Raa8
                9     0.06   0.48   1. Bc3 Re8 2. Qe3 Kg7 3. Rb6 Qc7 4.
                                    Bd2 Kh8 5. Kg2
                9->   0.07   0.48   1. Bc3 Re8 2. Qe3 Kg7 3. Rb6 Qc7 4.
                                    Bd2 Kh8 5. Kg2
               10     0.09   0.51   1. Bc3 Re8 2. Qe3 Qc7 3. Re1 Kg7 4.
                                    Kg2 Raa8 5. Qf3 Qf7 6. Bd2 <HT>
               10     0.12   0.66   1. Rf3 Qe7 2. Bc3 Re8 3. Re3 Qf7 4.
                                    Re1 Bd8 5. Rxe6 Rxe6 6. Qxe6 Qxe6 7.
                                    Rxe6 Bxa5
               10->   0.12   0.66   1. Rf3 Qe7 2. Bc3 Re8 3. Re3 Qf7 4.
                                    Re1 Bd8 5. Rxe6 Rxe6 6. Qxe6 Qxe6 7.
                                    Rxe6 Bxa5 (s=2)
               11     0.13   0.67   1. Rf3 Qe7 2. Bc3 Re8 3. Re3 Qf7 4.
                                    Kg2 Bd8 5. Qf3 Bc7 6. Re2
               11->   0.18   0.67   1. Rf3 Qe7 2. Bc3 Re8 3. Re3 Qf7 4.
                                    Kg2 Bd8 5. Qf3 Bc7 6. Re2 (s=2)
               12     0.20   0.66   1. Rf3 Qe7 2. Bc3 Re8 3. Re3 Qf7 4.
                                    Re1 Bd8 5. Rxe6 Rxe6 6. Qxe6 Qxe6 7.
                                    Rxe6 Bxa5
               12->   0.29   0.66   1. Rf3 Qe7 2. Bc3 Re8 3. Re3 Qf7 4.
                                    Re1 Bd8 5. Rxe6 Rxe6 6. Qxe6 Qxe6 7.
                                    Rxe6 Bxa5 (s=3)
               13     0.33   0.81   1. Rf3 Qe7 2. Bc3 Re8 3. Re3 Qf7 4.
                                    Qg4 Bd8 5. Rf3 Bf6 6. h5 Kh8 7. h6
                                    (s=2)
               13->   0.36   0.81   1. Rf3 Qe7 2. Bc3 Re8 3. Re3 Qf7 4.
                                    Qg4 Bd8 5. Rf3 Bf6 6. h5 Kh8 7. h6
               14     0.49   0.62   1. Rf3 Qe7 2. Bc3 Re8 3. Kh1 Qf7 4.
                                    Qe3 Raa8 5. Qh6 Re7 6. Qf4 Rf8 7. Re3
                                    Rd7
               14->   0.78   0.62   1. Rf3 Qe7 2. Bc3 Re8 3. Kh1 Qf7 4.
                                    Qe3 Raa8 5. Qh6 Re7 6. Qf4 Rf8 7. Re3
                                    Rd7 (s=4)
               15     1.00   0.75   1. Rf3 Qe7 2. Bc3 Re8 3. Kg2 Raa8 4.
                                    Re3 Qf7 5. Qg4 Kh8 6. Rbe1 Bd8 7. Rxe6
                                    Rxe6 8. Rxe6 Bxa5 (s=3)
               15->   1.18   0.75   1. Rf3 Qe7 2. Bc3 Re8 3. Kg2 Raa8 4.
                                    Re3 Qf7 5. Qg4 Kh8 6. Rbe1 Bd8 7. Rxe6
                                    Rxe6 8. Rxe6 Bxa5 (s=2)
               16     1.49   0.71   1. Rf3 Qe7 2. Bc3 Re8 3. Kg2 Raa8 4.
                                    Re3 Qf7 5. Qf3 Re7 6. Re2 Rf8 7. Qg4
                                    Kh8 8. f4 Ra8
               16->   2.38   0.71   1. Rf3 Qe7 2. Bc3 Re8 3. Kg2 Raa8 4.
                                    Re3 Qf7 5. Qf3 Re7 6. Re2 Rf8 7. Qg4
                                    Kh8 8. f4 Ra8 (s=2)
               17     2.89   0.70   1. Rf3 Qe7 2. Bc3 Re8 3. Kg2 Raa8 4.
                                    Re3 Qf7 5. Qf3 Re7 6. Qg4 Rf8 7. Rbe1
                                    Bg7 8. f4 h5 9. Qg5
               17->   4.00   0.70   1. Rf3 Qe7 2. Bc3 Re8 3. Kg2 Raa8 4.
                                    Re3 Qf7 5. Qf3 Re7 6. Qg4 Rf8 7. Rbe1
                                    Bg7 8. f4 h5 9. Qg5 (s=2)
               18     4.97   0.71   1. Rf3 Qe7 2. Bc3 Re8 3. Kg2 Qf7 4.
                                    Qd2 Rf8 5. Re1 Raa8 6. Qe2 Rfe8 7.
                                    Re3 Bd8 8. Rxe6 Rxe6 9. Qxe6 Qxe6 10.
                                    Rxe6 Bxa5
               18->   6.33   0.71   1. Rf3 Qe7 2. Bc3 Re8 3. Kg2 Qf7 4.
                                    Qd2 Rf8 5. Re1 Raa8 6. Qe2 Rfe8 7.
                                    Re3 Bd8 8. Rxe6 Rxe6 9. Qxe6 Qxe6 10.
                                    Rxe6 Bxa5 (s=2)
               19     8.64   0.71   1. Rf3 Qe7 2. Bc3 Re8 3. Kg2 Qg7 4.
                                    Re3 Qf7 5. Rb2 Raa8 6. Qg4 Bd8 7. Rf3
                                    Qg7 8. Re2 Bxa5 9. Bxa5 Rxa5 10. Rxe6
                                    Rxe6 11. Qxe6+
               19->  11.23   0.71   1. Rf3 Qe7 2. Bc3 Re8 3. Kg2 Qg7 4.
                                    Re3 Qf7 5. Rb2 Raa8 6. Qg4 Bd8 7. Rf3
                                    Qg7 8. Re2 Bxa5 9. Bxa5 Rxa5 10. Rxe6
                                    Rxe6 11. Qxe6+
               20    16.38   0.77   1. Rf3 Qe7 2. Bc3 Re8 3. Qe3 Bg7 4.
                                    Re1 Raa8 5. Qe2 Rf8 6. Rxf8+ Rxf8 7.
                                    Qxe6+ Qxe6 8. Rxe6 Rf3 9. Re3 Rxe3
                                    10. fxe3 Kf7 11. Kg2 Ke6
               20->  21.06   0.77   1. Rf3 Qe7 2. Bc3 Re8 3. Qe3 Bg7 4.
                                    Re1 Raa8 5. Qe2 Rf8 6. Rxf8+ Rxf8 7.
                                    Qxe6+ Qxe6 8. Rxe6 Rf3 9. Re3 Rxe3
                                    10. fxe3 Kf7 11. Kg2 Ke6
               21    31.60   0.76   1. Rf3 Qe7 2. Bc3 Re8 3. Qe3 Bg7 4.
                                    Re1 Raa8 5. Qe2 e5 6. dxe5 Qxc5 7.
                                    Qb2 d4 8. Bxd4 Qxa5 9. Qb3+ Kh8 10.
                                    Ra1 Qc7 11. Rf7 <HT>
               21->  44.23   0.76   1. Rf3 Qe7 2. Bc3 Re8 3. Qe3 Bg7 4.
                                    Re1 Raa8 5. Qe2 e5 6. dxe5 Qxc5 7.
                                    Qb2 d4 8. Bxd4 Qxa5 9. Qb3+ Kh8 10.
                                    Ra1 Qc7 11. Rf7 <HT>
               22    56.20   0.82   1. Rf3 Qe7 2. Bc3 Re8 3. Qe3 Bg7 4.
                                    Re1 Raa8 5. Qe2 e5 6. dxe5 Qxc5 7.
                                    Qb2 d4 8. Bxd4 Qxa5 9. Qb3+ Kh8 10.
                                    Ra1 Qb5 11. Rxa8 Rxa8 12. Qxb5 cxb5
               22->   1:16   0.82   1. Rf3 Qe7 2. Bc3 Re8 3. Qe3 Bg7 4.
                                    Re1 Raa8 5. Qe2 e5 6. dxe5 Qxc5 7.
                                    Qb2 d4 8. Bxd4 Qxa5 9. Qb3+ Kh8 10.
                                    Ra1 Qb5 11. Rxa8 Rxa8 12. Qxb5 cxb5
                                    (s=2)
               23     2:01   0.98   1. Rf3 Qe7 2. Bc3 Re8 3. Re1 Qg7 4.
                                    Re3 Bxd4 5. Rxe6 Rf8 6. Re8 Bxc3 7.
                                    Qe6+ Qf7 8. Rxf8+ Kxf8 9. Qd6+ Kg7
                                    10. Re7 Rxa5 11. Rxf7+ Kxf7 12. Qd7+
                                    Kf6 13. Qxb7 Rxc5 14. Qd7 Be5 15. Qxh7
               23->   2:58   0.98   1. Rf3 Qe7 2. Bc3 Re8 3. Re1 Qg7 4.
                                    Re3 Bxd4 5. Rxe6 Rf8 6. Re8 Bxc3 7.
                                    Qe6+ Qf7 8. Rxf8+ Kxf8 9. Qd6+ Kg7
                                    10. Re7 Rxa5 11. Rxf7+ Kxf7 12. Qd7+
                                    Kf6 13. Qxb7 Rxc5 14. Qd7 Be5 15. Qxh7
                                    (s=2)
               24     4:32   0.98   1. Rf3 Qe7 2. Bc3 Re8 3. Re1 Raa8 4.
                                    Re3 Qf7 5. Rxe6 Qxe6 6. Qxe6+ Rxe6
                                    7. Rxe6 Kf7 8. Re2 Re8 9. Rxe8 Kxe8
                                    10. Kg2 Kd7 11. Kf3 Ke6 12. Kf4 h6
                                    13. f3
               24->   6:44   0.98   1. Rf3 Qe7 2. Bc3 Re8 3. Re1 Raa8 4.
                                    Re3 Qf7 5. Rxe6 Qxe6 6. Qxe6+ Rxe6
                                    7. Rxe6 Kf7 8. Re2 Re8 9. Rxe8 Kxe8
                                    10. Kg2 Kd7 11. Kf3 Ke6 12. Kf4 h6
                                    13. f3 (s=2)
               25    10:04   1.00   1. Rf3 Qe7 2. Bc3 Re8 3. Re1 Raa8 4.
                                    Re3 Qf7 5. Rxe6 Qxe6 6. Qxe6+ Rxe6
                                    7. Rxe6 Kf7 8. Re2 Rc8 9. Kg2 Rc7 10.
                                    Kf3 Re7 11. Rxe7+ Kxe7 12. Kg4 Ke6
                                    13. Kf4 <HT>
               25->  13:28   1.00   1. Rf3 Qe7 2. Bc3 Re8 3. Re1 Raa8 4.
                                    Re3 Qf7 5. Rxe6 Qxe6 6. Qxe6+ Rxe6
                                    7. Rxe6 Kf7 8. Re2 Rc8 9. Kg2 Rc7 10.
                                    Kf3 Re7 11. Rxe7+ Kxe7 12. Kg4 Ke6
                                    13. Kf4 <HT>
               26    33:06   0.90   1. Rf3 Qe7 2. Bc3 Re8 3. Re1 Qf7 4.
                                    Qe3 Raa8 5. Qf4 Rf8 6. Qd6 Rfe8 7.
                                    Kg2 h5 8. Ree3 Rad8 9. Qf4 Rf8 10.
                                    Re2 Rd7 11. Rfe3 Re8 12. Qh6 Bg7 13.
                                    Qg5 Bf6
               26->  50:54   0.90   1. Rf3 Qe7 2. Bc3 Re8 3. Re1 Qf7 4.
                                    Qe3 Raa8 5. Qf4 Rf8 6. Qd6 Rfe8 7.
                                    Kg2 h5 8. Ree3 Rad8 9. Qf4 Rf8 10.
                                    Re2 Rd7 11. Rfe3 Re8 12. Qh6 Bg7 13.
                                    Qg5 Bf6
               27    60:54   0.95   1. Rf3 Qe7 2. Bc3 Re8 3. Re1 Qf7 4.
                                    Qe3 Raa8 5. Qf4 Rf8 6. Qd6 Rfe8 7.
                                    Kg2 h5 8. Bd2 Rad8 9. Qf4 Rf8 10. Qh6
                                    Rde8 11. Rb1 Ra8 12. Bc3 Rae8 13. Qf4
                                    Re7 14. Qh6
               27->  97:50   0.95   1. Rf3 Qe7 2. Bc3 Re8 3. Re1 Qf7 4.
                                    Qe3 Raa8 5. Qf4 Rf8 6. Qd6 Rfe8 7.
                                    Kg2 h5 8. Bd2 Rad8 9. Qf4 Rf8 10. Qh6
                                    Rde8 11. Rb1 Ra8 12. Bc3 Rae8 13. Qf4
                                    Re7 14. Qh6 (s=5)
               28   137:36   1.00   1. Rf3 Qe7 2. Bc3 Re8 3. Re1 Qf7 4.
                                    Qf1 Raa8 5. Qh3 Rac8 6. Rfe3 Rc7 7.
                                    Rxe6 Rxe6 8. Rxe6 Qd7 9. Kh2 Kf7 10.
                                    Re3 Qxh3+ 11. Kxh3 Re7 12. Rxe7+ Kxe7
                                    13. Kg4 Ke6 14. Kf4 h6 15. f3 g5+ 16.
                                    hxg5 Bxg5+ 17. Kg4 (s=4)
              time=150:00  mat=0  n=196049457976  fh=58%  nps=21.8M   
              extensions=1776.6M qchecks=1459.9M reduced=1003.2M pruned=3375.0M
              predicted=0  evals=3492.0M  50move=0  EGTBprobes=6K  hits=6K
              SMP->  splits=11397653  aborts=1972516  data=119/512  elap=150:00
terminating SMP processes.
White(1): Rf3
              time used: 150:00
Dann Corbit
Posts: 12778
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: The brilliant chess move (58)

Post by Dann Corbit »

Unless I goofed it up, here are the 58 positions in EPD format:

Code: Select all

1k3q2/pp2n1pP/2PK4/2pR1b2/8/6Q1/8/8 w - - bm Rxf5;
1q6/4p3/6Q1/2N1n3/p2P2P1/P2PP1k1/4Kp1p/2B5 w - - bm Ne4+;
1qrrbbk1/1p1nnppp/p3p3/4P3/2P5/1PN1N3/PB2Q1PP/1B2RR1K w - - bm Bxh7+;
1rbq1rk1/p5bp/3p2p1/2pP4/1p1n1BP1/3P3P/PP2N1B1/1R1Q1RK1 b - - bm Bxg4;
1rr1b1k1/1pq1bp2/p2p1np1/4p3/P2BP3/2NB2Q1/1PP3PP/4RR1K w - - bm Rxf6;
1rr5/5pkp/4b1p1/4N3/4RQP1/7P/1qnR1PB1/6K1 w – - bm Nd7;
2K5/8/8/2P4n/8/8/1Npk3B/8 w - - bm c6;
2nr3r/1k3nbp/2p2pp1/RpP1p3/1P2P1P1/1KN1BN1P/5P2/R7 w - - bm Nxb5;
2r1r1k1/4bppp/1q4n1/3pP3/p1pP4/PnR2NBP/1P4P1/1B1QR2K w - - bm e6;
2r1rbk1/1pqb1p1p/p2p1np1/P4p2/3NP1P1/2NP1R1Q/1P5P/R5BK w - - bm Nxf5;
3k4/2pq3p/pp5R/4P3/P6P/2PN4/1PN3K1/8 w - - bm Nd4;
3k4/8/3N4/P7/6pb/8/6P1/2K1n3 w - - bm Nf7+;
3q1rk1/2nbppb1/pr1p1n1p/2pP1Pp1/2P1P2Q/2N2N2/1P2B1PP/R1B2RK1 w - - bm Nxg5;
3r1rk1/6bp/2p1p1p1/2P1n3/4P2q/1N1p3P/PP3PP1/R1BRQ1K1 b - - bm Nf3+;
3r2k1/1pq4p/4p1p1/p1n1p3/P1P1B2P/1P3RP1/2Q4K/8 b - - bm Rd4;
3r2k1/p6p/b2r2p1/2qPQp2/2P2P2/8/6BP/R4R1K w - - bm Rxa6;
3r4/p5kP/2B2b2/2pp3P/8/4K3/P7/5R2 w - - bm h6+;
3rn3/1k1r1p2/p2P3p/Pp3ppP/1K6/1P1R1PP1/1B2R3/8 w - - bm Rde3;
4K3/pp5p/r6P/k1P4P/P3B3/8/8/8 w - - bm Bg6;
4Q3/4n1r1/6Pp/1B6/8/8/6r1/5K1k w - - bm Bc6;
4r1k1/7p/4r3/3p1pPq/3P2bP/2P1B1P1/1P1N1Q2/4R1K1 b - - bm f4;
4r1k1/pp5p/2p1bR2/2P5/2B1n3/2B2K2/PP5P/8 w - - bm Rxe6;
4rrk1/7p/p2b4/1p1p1ppq/3P1P2/2P1B1Pb/PP1N1Q1P/R3R1K1 b - - bm Re4;
4rrk1/pQ4b1/2pp3p/5qp1/2PP4/1P1b1PP1/PB4BP/R3R1K1 b - - bm Qa5;
5K2/kp3P2/2p5/2Pp4/3P4/r7/p7/6R1 w - - bm Ke7;
5nk1/2qr1ppp/3prb2/p1p5/PpP1P1Q1/4BP2/1P1R2PP/2NR2K1 b - - bm b3;
5nr1/2Pp2pk/3Pp1p1/4P1P1/6P1/5K2/8/7n w - - bm c8=N;
5r1k/1p4bp/3p1q2/1NpP1b2/1pP2p2/1Q5P/1P1KBP2/r2RN2R b - - bm f3;
7k/1Q2K3/4p1pP/7q/7p/1p6/1pb5/2B5 w - - bm Kf8;
8/2N4r/1p3pkp/8/5K1p/2P4N/P3Bn2/8 w - - bm Bh5+;
8/2b5/1p6/Rp6/8/3Np3/2KpP1pp/2BB2kq w - - bm Ra8;
8/3P3k/n2K3p/2p1n3/1b4N1/2p1p1P1/8/3B4 w - - bm Nf6+;
8/3Pk1p1/1p2P1K1/1P1Bb3/7p/7P/6P1/8 w - - bm g4;
8/6pp/1K6/N5P1/3N4/8/npn1P3/k7 w - - bm Nab3;
8/7p/5P1k/1p5P/5p2/2p1p3/P1P1P1P1/1K3Nb1 w - - bm Ng3;
8/8/8/1pR1P1K1/p2P2P1/rp1B1P2/pk6/b7 w - - bm Bh7;
8/8/8/p7/P6K/2n4P/B6k/8 w - - bm Kg4;
N7/8/2KQ2rp/6k1/3p3p/2p4P/4PP2/5N2 w - - bm f4+;
k4r2/1pp5/3bP3/3N4/5p2/1P6/4R1P1/K7 w - - bm e7;
nk1b4/2rPp3/4Q1p1/1K2Br2/5P2/8/1P6/8 w - - bm Ka6;
q1r3k1/5pnp/p3p1p1/p3P1b1/Pr1Bb1B1/1P6/NQP2RPP/R6K b - - bm Be3;
r1b1qrk1/ppp4p/8/3Nb1Bn/2P1p3/7P/PP1Q1PP1/R3R1K1 w - - bm Rxe4;
r1b2r1k/4qp1p/p2ppb1Q/4nP2/1p1NP3/2N5/PPP4P/2KR1BR1 w - - bm Nc6;
r1b2r1k/ppp2ppp/8/4p3/2BPQ3/P3P1K1/1B3PPP/n3q1NR w - - bm dxe5;
r1b2rk1/pp3p1p/2n1pQp1/q3P3/3B4/P1PB4/6PP/3R1RK1 w - - bm Bxg6;
r1br2k1/7p/p2q1ppB/1p1P4/2P5/5N2/PQ3PPP/4R1K1 w - - bm Ng5;
r2q2k1/1bp1rp2/p1np1n2/1p1N2N1/P2bP3/1B6/1P3PPP/R2QR1K1 w - - bm Re3;
r3k2r/1p2p1bp/p5p1/q2Pnb2/2p2P2/2P1B3/P2Q1NPP/2R1KB1R b Kkq - bm 0-0-0;
r3k2r/pp2pp1p/8/q2Pb3/2P5/4p3/B1Q2PPP/2R2RK1 w k - bm c5;
r3r2k/1bq1nppp/p2b4/1pn1p2P/2p1P1QN/2P1N1P1/PPBB1P1R/2KR4 w - - bm Ng6+;
r3r3/pkq5/2p4Q/5b2/1PP2n2/4B3/P4PPP/R2R2K1 b - - bm Nxg2;
r3rb2/1b3pk1/1q1p3p/1p1P1pN1/1np1P3/3n2RP/1P1Q1PP1/1BB2RK1 w - - bm Qd1;
r3rnk1/1bq1bpp1/pp2p3/3pP2Q/P4p2/1NNB1R2/1PP4P/2KR4 w - - bm Rg1;
r4r1k/p1p3bp/2pp2p1/4nb2/N1P4q/1P5P/PBNQ1PP1/R4RK1 b - - bm Nf3+;
r4r2/3n2k1/1pp3p1/p1Pp2P1/1P1Pp2P/7R/P2KB3/5R2 w - - bm b5;
r4rk1/1b3ppp/pq2p3/1pb1n1N1/4P1n1/PB4R1/1P1BQPPP/2RN2K1 b - - bm Rad8;
r5k1/rp3q1p/2p1pbp1/P1Pp4/3P3P/1R4P1/3BQP2/1R4K1 w - - bm a6;
rnq1r2k/pp2bp2/4b1BB/3pP1pP/3N4/2P5/P1Q2PP1/R3K2R w KQ - bm Qd2;