Did Anand miss a win in Game 3?

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Houdini
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Did Anand miss a win in Game 3?

Post by Houdini » Mon May 14, 2012 6:18 pm

In Game 3 of the WC match, the following position was reached after move 33.

[D]2r5/1p2R2p/3P2k1/p4p2/7R/1P3P2/P2r2P1/1K6 w - -
Instead of Anand's 34.Rc7 the alternative 34.d7! looks very promising.

[D]2r5/1p1PR2p/6k1/p4p2/7R/1P3P2/P2r2P1/1K6 b - -
What is your and your engine's opinion?

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Dr.Wael Deeb
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Re: Did Anand miss a win in Game 3?

Post by Dr.Wael Deeb » Mon May 14, 2012 6:38 pm

With a precise endgame technique from black's side,winning the game won't be easy for black....

BTW,I am surprised by your reasonable good knowledge of the game of chess....

I've always had the impression that you're a lousy chess player but you proved me wrong....

Still,I don't like you as a personality,sorry for that 8-)
Dr.D
_No one can hit as hard as life.But it ain’t about how hard you can hit.It’s about how hard you can get hit and keep moving forward.How much you can take and keep moving forward….

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Jack Lad
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Re: Did Anand miss a win in Game 3?

Post by Jack Lad » Mon May 14, 2012 6:45 pm

It is an easy win for engines but not so easy for humans like Anand.

kgburcham
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Re: Did Anand miss a win in Game 3?

Post by kgburcham » Mon May 14, 2012 6:59 pm

2850 cannot see it.
you must be at least 3000+ to see it.


Rybka
small hardware

13.00 0:01 +0.94 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (883.330) 665
14.01 0:01 +0.92 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (1.025.318) 677
15.01 0:01 +1.04++ 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (1.207.204) 678 TB:2
15.01 0:01 +1.15 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (1.289.774) 677 TB:2
16.01 0:02 +1.19 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (1.570.322) 675 TB:4
17.01 0:07 +1.19 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (5.847.123) 751 TB:28
18.01 0:07 +1.19 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (5.847.147) 751 TB:28
19.01 0:41 +1.19 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (30.485.754) 733 TB:541
20.01 0:43 +1.19 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (32.024.258) 728 TB:544
21.01 0:47 +1.19 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (34.751.074) 727 TB:551
22.01 1:16 +1.31++ 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (51.890.452) 679 TB:671
22.01 1:44 +1.46++ 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (67.769.057) 651 TB:817
22.01 2:35 +1.63 1.d7 Rd1+ 2.Kb2 Rd2+ 3.Ka3 Rcc2 (99.656.673) 639 TB:1.405
23.01 3:25 +1.63 1.d7 Rd1+ 2.Kb2 Rc5 3.Rexh7 Rd2+ (129.845.309) 631 TB:1.640
23.01 3:34 +1.63 1.d7 Rd1+ 2.Kb2 Rc5 3.Rexh7 Rd2+ (135.884.800) 634 TB:1.640

Houdini
17/48 0:01 +0.49 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (17.637.801) 14998
18/48 0:01 +0.43-- 1.d7 Rcc2 (20.187.791) 15110
18/48 0:01 +0.40 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (27.739.130) 15566
19/48 0:02 +0.38 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (39.286.417) 15911
20/48 0:03 +0.43++ 1.d7 (63.614.011) 16378
20/48 0:04 +0.36 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (74.853.477) 16523
21/48 0:06 +0.36 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (117.380.612) 16833
22/48 0:10 +0.36 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (180.321.197) 17166
23/60 0:19 +0.41++ 1.d7 (345.619.867) 17338
23/60 0:23 +0.51 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (409.069.331) 17374
24/60 0:28 +0.51 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (495.321.401) 17472
25/63 0:48 +0.51 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (876.204.921) 17934 TB:19
26/63 1:02 +0.51 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (1.126.920.696) 18060 TB:22
27/63 1:32 +0.51 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (1.680.689.860) 18252 TB:28
28/67 2:54 +0.58++ 1.d7 (3.222.664.247) 18487 TB:69
28/67 4:41 +0.63 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (5.223.950.244) 18566 TB:111
29/67 5:53 +0.62 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (6.581.373.705) 18642 TB:188
29/67 7:52 +0.62 1.d7 Rcc2 2.Rc4 Rxc4 3.bxc4 h5 (8.875.323.008) 18783 TB:410

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Dr.Wael Deeb
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Re: Did Anand miss a win in Game 3?

Post by Dr.Wael Deeb » Mon May 14, 2012 7:03 pm

Jack Lad wrote:It is an easy win for engines but not so easy for humans like Anand.
Exactly my point 8-)
_No one can hit as hard as life.But it ain’t about how hard you can hit.It’s about how hard you can get hit and keep moving forward.How much you can take and keep moving forward….

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Ajedrecista
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Re: Did Anand miss a win in Game 3?

Post by Ajedrecista » Mon May 14, 2012 7:08 pm

Hello Robert:

I liked the first two games, but the third was superb to my patzer eyes. I am using an old, slow Intel Pentium D930 (3 GHz) with 256 MB of hash under Arena 2.0.1. I gave few time to Quazar.

Analysis by Quazar 0.4 w32 (single core):

[d]2r5/1p1PR2p/6k1/p4p2/7R/1P3P2/P2r2P1/1K6 b - - 0 1

Code: Select all

FEN: 2r5/1p1PR2p/6k1/p4p2/7R/1P3P2/P2r2P1/1K6 b - - 0 1 

Quazar_0.4_w32:
   1	00:00	           9	26	-2,56	Rc8d8

   2	00:00	          73	202	-2,50	Rc8g8 a2a4

   3	00:00	         313	869	-2,61	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2

   4	00:00	         429	1.191	-2,04	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Re7e6+ Kg6f7

   5	00:00	         760	2.111	-1,71	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5

   6	00:00	       1.396	3.722	-1,63	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 h7h5

   7	00:00	       2.687	7.165	-1,36	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 h7h5 Re7e6+ Kg6f7

   8	00:00	       4.153	10.621	-1,41	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 h7h5 Rh4a4 Rd2d5+ Kb5c4 Ra2d2

   9	00:00	       6.950	16.469	-1,32	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 h7h5 Re7e2 Kg6g5 Re2xd2 Ra2xd2

  10	00:00	      33.003	47.969	-1,64	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 Kb6c7 Ra2d2 Rh4a4 Kg6f6 Re7h7 Kf6g6 Rh7e7

  11	00:00	      58.502	62.368	-1,61	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 Kb6c7 Ra2d2 g2g3 b7b5 Kc7d8 Rd5d3 Kd8e8 Rd3d5 Re7e6+ Kg6g7 Rh4xh5 Rd5xd7 Rh5g5+ Kg7h7 Rg5xf5

  12	00:00	      65.014	66.004	-1,61	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 Kb6c7 Ra2d2 g2g3 b7b5 Kc7d8 Rd5d3 Kd8e8 Rd3d5 Re7e6+ Kg6g7 Rh4xh5 Rd5xd7 Rh5g5+ Kg7h7 Rg5xf5

  13	00:01	     100.035	72.752	-1,61	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 Kb6c7 Ra2d2 g2g3 b7b5 Kc7d8 Rd5d3 Kd8e8 Rd3d5 Re7e6+ Kg6g7 Rh4xh5 Rd5xd7 Rh5g5+ Kg7h7 Rg5xf5

  14+	00:02	     162.229	75.210	-1,53	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 Kb6c7 Ra2d2 g2g3 b7b5 Kc7d8 Rd2d3 Kd8e8 Rd5d6
  14+	00:02	     167.827	75.631	-1,45	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 Kb6c7 Ra2d2 g2g3 b7b5 Kc7d8 Rd2d3 Kd8e8 Rd5d6
  14+	00:02	     171.680	76.814	-1,33	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 Kb6c7 Ra2d2 g2g3 b7b5 Kc7d8 Rd2d3 Kd8e8 Rd5d6
  14	00:02	     175.738	76.507	-1,38	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 Kb6c7 Ra2d2 g2g3 b7b5 Kc7d8 Rd2d3 Kd8e8 Rd5d6 Rh4h3 a5a4 b3xa4 b5xa4 Rh3h1

  15-	00:03	     243.841	75.750	-1,46	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 g2g4 f5xg4 f3xg4 Ra2d2 g4xh5+ Kg6f6 Rh4e4 Rd5xd7 Re4e6+ Kf6f5 Kb6xa5 Rd7xe7 Re6xe7
  15-	00:03	     287.396	78.266	-1,55	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 g2g4 f5xg4 f3xg4 Ra2d2 g4xh5+ Kg6f6 Rh4e4 Rd5xd7 Re4e6+ Kf6f5 Re6e5+ Kf5f4 Re7xd7 Rd2xd7 Re5xa5
  15	00:04	     393.240	82.233	-1,56	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 g2g4 f5xg4 f3xg4 Ra2d2 g4xh5+ Kg6f6 Rh4e4 Rd5xd7 Re4e6+ Kf6f5 Re6e5+ Kf5f6 Re7xd7 Rd2xd7 Re5xa5 Kf6e6 Ra5c5 Rd7d3 Kb6xb7 Rd3xb3+ Kb7c6

  16-	00:09	     750.533	76.003	-1,64	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 g2g4 f5xg4 f3xg4 Ra2d2 g4xh5+ Kg6f6 Rh4e4 Rd5xd7 Re4e6+ Kf6f5 Re6e5+ Kf5f6 Re7xd7 Rd2xd7 Re5xa5 Kf6e6 Ra5c5 Rd7d3 Kb6xb7 Rd3xb3+ Kb7c6
  16-	00:11	     884.989	79.101	-1,72	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 g2g4 f5xg4 f3xg4 Ra2d2 g4xh5+ Kg6f6 Rh4e4 Rd5xd7 Re4e6+ Kf6f5 Re6e5+ Kf5f6 Re7xd7 Rd2xd7 Re5xa5 Kf6e6 Ra5g5
  16	00:11	     943.134	80.803	-1,72	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 g2g4 f5xg4 f3xg4 Ra2d2 g4xh5+ Kg6f6 Rh4e4 Rd5xd7 Re4e6+ Kf6f5 Re6e5+ Kf5g4 Re7xd7 Rd2xd7 Re5xa5 Kg4f4 Ra5a7 Rd7h7 Ra7xb7 Rh7h6+ Kb6c5 Rh6xh5+ Kc5d4

  17+	00:16	   1.344.847	83.562	-1,64	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 g2g4 h5xg4 f3xg4 Ra2d2 g4xf5+ Kg6xf5 Rh4h7 Rd5d3 Kb6xa5 Rd3xb3 Rh7f7+ Kf5g6 Ka5a4 Rb3b1 Rf7h7 Rd2a2+
  17	00:16	   1.365.968	83.734	-1,71	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 g2g4 h5xg4 f3xg4 Ra2d2 g4xf5+ Kg6xf5 Rh4h7 Rd5d3 Rh7f7+ Kf5g6 Rf7g7+ Kg6f6 Kb6xb7 Rd3xb3+ Kb7c6 Rd2c2+ Kc6d5 Rc2d2+ Kd5c4 Rb3b4+ Kc4c5

  18+	00:16	   1.425.107	85.081	-1,63	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 g2g4 h5xg4 f3xg4 Ra2d2 g4xf5+ Kg6xf5 Rh4h7 Rd5d3 Rh7f7+ Kf5g6 Rf7g7+ Kg6f6 Kb6xb7 Rd3xb3+ Kb7c6 a5a4 Rg7f7+ Kf6g6 Rf7f2 Rd2d3 Re7e6+ Kg6g7
  18	00:17	   1.476.219	85.345	-1,62	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 g2g4 h5xg4 f3xg4 Ra2d2 g4xf5+ Kg6xf5 Rh4h7 Rd5d3 Rh7f7+ Kf5g6 Rf7g7+ Kg6f6 Kb6xb7 Rd3xb3+ Kb7c6 a5a4 Rg7f7+ Kf6g6 Rf7f2 Rd2d3 Rf2f8 Rd3c3+ Kc6d6 Rc3d3+ Kd6c5 Rd3c3+ Kc5d4 Rc3d3+ Kd4c5

  19+	00:18	   1.575.780	86.939	-1,54	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Rd2d5+ Kb5b6 h7h5 g2g4 h5xg4 f3xg4 Ra2d2 g4xf5+ Kg6xf5 Rh4h7 Rd5d3 Rh7f7+ Kf5g6 Rf7g7+ Kg6f6 Kb6xb7 Rd3xb3+ Kb7c6 a5a4 Rg7f7+ Kf6g6 Rf7f2 Rd2d3 Rf2f8 Rd3c3+ Kc6d6 Rc3d3+ Kd6c5 Rd3c3+ Kc5d4 Rc3d3+ Kd4c5
  19+	00:22	   2.047.727	89.761	-1,45	Rc8c2 Rh4c4 Rc2xc4 b3xc4 h7h5 Kb1c1 Kg6f6 Re7h7 Rd2d4 Kc1c2 Kf6e6 d7d8R Rd4xd8 Rh7xh5 Rd8g8 Rh5h2 Rg8c8 Rh2h4 Rc8g8 g2g4 f5xg4 f3xg4 Rg8f8
  19+	00:24	   2.224.444	91.431	-1,33	Rc8c2 Rh4c4 Rc2xc4 b3xc4 h7h5 Kb1c1 Kg6f6 Re7h7 Rd2d4 Kc1c2 Kf6e6 d7d8R Rd4xd8 Rh7xh5 Rd8g8 Rh5h2 Rg8c8 Rh2h4 Rc8g8 g2g4 f5xg4 f3xg4 Ke6e5
  19	00:25	   2.319.283	91.794	-1,45	Rc8c2 Rh4c4 Rc2xc4 b3xc4 h7h5 Kb1c1 Kg6f6 Re7h7 Rd2d4 Kc1c2 Kf6e6 Kc2c3 Rd4xd7 Rh7h6+ Ke6e5 Rh6xh5 Ke5f4 g2g4 f5xg4 f3xg4 Kf4xg4 Rh5xa5 Rd7f7 Ra5d5 Rf7f3+ Kc3d4 Rf3f4+ Kd4d3 Rf4f2 a2a4

  20+	00:28	   2.690.952	94.469	-1,37	Rc8c2 Rh4c4 Rc2xc4 b3xc4 h7h5 Kb1c1 Kg6f6 Re7h7 Rd2d4 Kc1c2 Kf6e6 Kc2c3 Rd4xd7 Rh7h6+ Ke6e5 Rh6xh5 Ke5f4 g2g3+ Kf4xf3 Rh5xf5+ Kf3e4 Rf5xa5 Rd7d3+
  20+	00:30	   2.961.597	96.752	-1,29	Rc8c2 Rh4c4 Rc2xc4 b3xc4 h7h5 f3f4 Kg6f6
  20	00:33	   3.281.944	96.615	-1,32	Rc8c2 Rh4c4 Rc2xc4 b3xc4 h7h5 Kb1c1 Kg6f6 Re7h7 Rd2d4 Kc1c2 Kf6e6 f3f4 Rd4xd7 Rh7h6+ Ke6f7 Kc2c3 h5h4 Rh6xh4 Kf7g6 a2a4 Rd7e7 Kc3d4 Re7e4+ Kd4d5

  21+	00:38	   3.791.710	99.535	-1,24	Rc8c2 Rh4c4 Rc2xc4 b3xc4 h7h5 Kb1c1 Kg6f6 Re7h7 Rd2d4 Kc1c2 Kf6e6 f3f4 Rd4xd7 Rh7h6+ Ke6f7 Kc2c3 h5h4 Rh6xh4 Kf7g6 a2a4 Rd7e7 Kc3d4 Re7e4+ Kd4d5 b7b6
  21	00:41	   4.059.575	98.787	-1,38	Rc8c2 Rh4c4 Rc2xc4 b3xc4 h7h5 Kb1c1 Kg6f6 Re7h7 Rd2d4 Kc1c2 Kf6e6 g2g3 Rd4xd7 Rh7h6+ Ke6f7 Rh6xh5 Kf7g6 Rh5h2 a5a4 Rh2d2 Rd7xd2+ Kc2xd2 Kg6f6 Kd2d3 Kf6e5 f3f4+ Ke5d6 Kd3d4 b7b6 a2a3

  22	01:02	   5.788.758	92.781	-1,44	Rc8c2 Rh4c4 Rc2xc4 b3xc4 h7h5 Kb1c1 Kg6f6 Re7h7 Rd2d4 Kc1c2 Kf6e6 g2g3 Rd4xd7 Rh7h6+ Ke6f7 Rh6xh5 Kf7g6 Rh5h2 Kg6f6 Rh2h6+ Kf6e5 Rh6b6 Rd7g7 Rb6b5+ Ke5f6 f3f4 Rg7xg3 Rb5b6+ Kf6e7 Rb6xb7+ Ke7d6 Rb7b5 Rg3g2+ Kc2d3 Rg2xa2 Rb5xf5
 
 23+	01:28	   7.398.237	83.610	-1,36	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Ra2b2 Re7e6+ Kg6f7 Re6e2 Rb2xb3+ Kb5a4 Rb3d3 Rh4xh7+ Kf7g6 Re2e7 Rd3d5 Rh7g7+ Kg6f6 Rg7f7+ Kf6g5
  23+	01:32	   7.628.672	82.878	-1,28	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Ra2b2 Re7e6+ Kg6f7 Re6e2 Rb2xb3+ Kb5a4 Rb3d3 Rh4xh7+ Kf7g6 Re2e7 Rd3d5 Rh7g7+ Kg6f6 Rg7f7+ Kf6g5 g2g3 Rd2d4+ Ka4b3 Rd4d3+ Kb3a4 Kg5g6
  23+	01:49	   8.512.984	77.412	-1,16	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Ra2b2 Re7xh7 Rb2xb3+ Kb5c5 f5f4 Rh7h6+ Kg6g7 Kc5c4 Rb3d3 Rh6h7+ Kg7g6
  23+	02:12	   9.540.921	71.778	-0,98	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Ra2b2 Kb5c4 Rb2c2+ Kc4b5 Rc2c3 Rh4xh7 Rc3xb3+ Kb5a4 Rb3b4+ Ka4xa5 Rb4b1 Re7g7+ Kg6f6 Rg7f7+ Kf6g6 Rh7g7+ Kg6h6
  23+	03:09	  11.810.371	62.282	-0,71	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Ra2b2 Re7xh7 Rb2xb3+ Kb5c5 f5f4 Rh4h6+ Kg6g5 Rh6e6 Rb3d3 Re6e7 a5a4 Re7g7+ Kg5f6 Rg7f7+ Kf6e6 Rf7e7+
  23	04:18	  14.502.056	56.182	-0,70	Rd2d1+ Kb1b2 Rd1d2+ Kb2a3 Rc8c2 Ka3a4 Rc2xa2+ Ka4b5 Ra2b2 Re7xh7 Rb2xb3+ Kb5c5 f5f4 Rh7h6+ Kg6g7 Rh6h8 Rb3d3 d7d8N Rd3xd8 Rh8xd8 Rd2xd8 Rh4xf4
So, +0.7 from white POV at depth 23 (Quazar evals and search depths remind me a lot to SF ones). Only 34.- ..., Rcc2 and 34.- ..., Rd1+ are seriously considered.

I have no opinion because this position is simply very difficult for my limited knowledge of chess; I let you to draw your own conclussions in view of this fast Quazar analysis.

It would be fantastic if you post an analysis with Multi-PV = 2 (Rcc2 and Rd1+) with the current development version of Houdini. This is a great opportunity to ask you if you have managed to improve a little more Houdini since your last report, where you claimed a nice 40 Elo improvement over Houdini 2. Good luck with the development: I find very interesting the fact of making Houdini able of use bitbases (like Scorpio EGBB).

Regards from Spain.

Ajedrecista.

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Eelco de Groot
Posts: 4150
Joined: Sun Mar 12, 2006 1:40 am
Location: Groningen

Re: Did Anand miss a win in Game 3?

Post by Eelco de Groot » Mon May 14, 2012 7:16 pm

Rainbow Serpent will play it but does not see it as winning. Anand's intuition is usually pretty good but he did not play it. But he has not been in the best of form in recent tournaments so he may have lacked the "panache" to play this move. But may guess is Anand just did not see a win.


[D]2r5/1p2R2p/3P2k1/p4p2/7R/1P3P2/P2r2P1/1K6 w - -

Engine: Rainbow Serpent 2.2.4 Build 055 (256 MB)
by Tord Romstad, Marco Costalba and Joona Kiiski

15/21 0:01 +2.44-- 34.d7 Rcc2 35.Rhxh7 Rb2+ 36.Kc1 Rxa2
37.Re3 Kxh7 38.Re7+ Kg6 39.Rg7+ Kxg7
40.d8R Rxd8 41.Kb1 Rxg2 (3.439.912) 2548

15/21 0:01 +2.03-- 34.d7 Rcc2 35.Rhxh7 Rb2+ 36.Kc1 Rxa2
37.Rhg7+ Kf6 38.Rgf7+ Kg6 39.Rg7+ (4.179.055) 2548

15/25 0:02 +1.89 34.d7 Rcc2 35.Rc4 Rxc4 36.bxc4 Kf6
37.Rxh7 Ke6 38.d8N+ Rxd8 39.Rxb7 f4
40.Rb6+ Kd7 41.Rb5 Rc8 42.Rd5+ Ke6
43.Rd4 Rg8 44.Kc2 Rxg2+ 45.Kb3 Rg8
46.Rxf4 Rc8 (6.494.009) 2556

16/25 0:02 +1.89 34.d7 Rcc2 35.Rc4 Rxc4 36.bxc4 Kf6
37.Rxh7 Ke6 38.d8N+ Rxd8 39.Rxb7 f4
40.Rb6+ Kd7 41.Rb5 Rc8 42.Rd5+ Ke6
43.Rd4 Rg8 44.Kc2 Rxg2+ 45.Kb3 Rg8
46.Rxf4 Rc8 (7.433.172) 2563

17/25 0:04 +1.64-- 34.d7 Rcc2 35.Rc4 Rxc4 36.bxc4 Rd6
37.Kc1 Rd3 38.Kb2 Rd2+ 39.Kc3 Rd1
40.Kc2 Rd4 41.d8Q Rxd8 42.Rxb7 Kf6
43.Rxh7 Rg8 44.Kb3 Rxg2 (11.134.885) 2715

17/25 0:04 +1.56-- 34.d7 Rcc2 35.Rc4 Rxc4 36.bxc4 h5
37.Kc1 Kf6 38.Rh7 Rd4 39.Kb2 Ke6
40.Kc3 Rxd7 41.Rxh5 Rg7 42.Rh6+ Ke5
43.Rb6 f4 44.Rb5+ Ke6 (12.339.094) 2735

17/25 0:04 +1.49 34.d7 Rcc2 35.Rc4 Rxc4 36.bxc4 h5
37.Kc1 Kf6 38.Rh7 Rd4 39.Kb2 Ke6
40.Rh6+ Kxd7 41.Kc3 Rd1 42.Rh7+ Kc6
43.Rxh5 Rg1 44.Rxf5 Rxg2 45.a4 Ra2
46.Rf6+ Kc5 47.Kb3 (13.457.434) 2746

18/35 0:20 +1.57 34.d7 Rcc2 35.Rc4 Rxc4 36.bxc4 h5
37.Kc1 Rd4 38.Kc2 Kf6 39.Rh7 Ke6
40.Rh6+ Kxd7 41.Kc3 Rh4 42.Rb6 Kc7
43.Rb5 Rh2 44.Rxf5 Rxg2 45.Rxh5 Rxa2
46.Rh7+ Kc6 47.f4 (60.229.193) 2885


19/35 0:38 +1.64 34.Re6+ Kf7 35.Reh6 Rcc2 36.Rc4 Rxc4
37.bxc4 b6 (109.734.901) 2857

20/35 0:42 +1.36-- 34.Re6+ Kf7 35.Reh6 Rcc2 36.Rc4 Rxc4
37.bxc4 b6 38.Rxh7+ Kg6 39.Rh4 Rxd6
40.Kc2 Kf7 41.Rh8 Ke6 42.Rh7 Kf6
43.Rh8 Ke6 (119.573.385) 2840

20/35 0:43 +1.28-- 34.Re6+ Kf7 35.Rhh6 Kg7 36.g4 fxg4
37.fxg4 Rcc2 38.a3 Rb2+ 39.Kc1 Ra2
40.Kb1 (124.743.562) 2838

20/35 0:50 +1.21 34.Re6+ Kf7 35.Rhh6 Kg7 36.Rh3 Rcc2
37.Re7+ Kg6 38.Rc7 Rb2+ 39.Kc1 Rxa2
40.Rg3+ Kf6 41.d7 Ke6 42.Rg7 Rd6
43.Rxh7 Rad2 44.Rh6+ Ke7 45.Rxd6 Rxd6
46.Rxb7 f4 (141.168.758) 2813


21/36 1:47 +1.29++ 34.d7 Rcc2 35.Rc4 Rxc4 36.bxc4 Kf6
37.Rxh7 Ke6 38.d8Q Rxd8 39.Rxb7 (303.323.224) 2822

21/36 1:48 +1.36 34.d7 Rcc2 35.Rc4 Rxc4 36.bxc4 h5
37.Kc1 Rd4 38.Kc2 Kf6 39.Rh7 Ke6
40.Rxh5 Rxd7 41.g4 fxg4 42.fxg4 Rd4
43.g5 Kf5 44.Kc3 Rd7 45.g6+ Kxg6
46.Rd5 Rg7 47.Kd4 (307.615.504) 2822


22/36 2:10 +1.43 34.Re6+ Kf7 35.Reh6 Rcc2 36.Rc4 Rxc4
37.bxc4 b6 38.g4 fxg4 39.fxg4 Ke8
40.Rxh7 Rxd6 41.Kc2 Rd4 42.Kc3 Rxg4
43.Rh6 Rg3+ 44.Kd4 Ra3 45.Rh8+ Kd7
46.Rh7+ Ke6 47.Rh6+ (368.080.505) 2829

23/36 2:28 +1.49 34.Re6+ Kf7 35.Reh6 Rcc2 36.Rc4 Rxc4
37.bxc4 b6 38.g3 Kg7 39.Re6 Kf7
40.Re7+ Kf6 41.Rxh7 Kg6 42.Rd7 Kf6
43.Kc1 Rxa2 44.Rh7 (416.400.299) 2810

24/57 5:07 +1.56 34.Re6+ Kf7 35.Reh6 Kg8 36.Rxh7 Rd1+
37.Kb2 Rd2+ 38.Ka3 Rcc2 39.Rh8+ Kg7
40.g3 (865.515.655) 2811

25/72 18:12 +1.56 34.Re6+ Kf7 35.Reh6 Kg8 36.Rxh7 Rd1+
37.Kb2 Rd2+ 38.Ka3 (2.962.312.058) 2711

26/72 19:09 +1.21-- 34.Re6+ Kf7 35.Reh6 Kg8 36.Rxh7 Rd1+
37.Kb2 Rd2+ 38.Ka3 Rcc2 39.Rf4 Kxh7 (3.119.452.069) 2714


26/72 21:50 +1.63 34.d7 Rcc2 35.Rc4 Rxc4 36.bxc4 h5
37.Kc1 Rd4 38.Re6+ Kf7 39.Re5 Kg6
40.Rd5 (3.594.713.476) 2742

27/72 25:58 +1.28-- 34.d7 Rcc2 35.Rc4 Rxc4 36.bxc4 h5
37.Kc1 Rd4 38.Re6+ Kf7 39.Re5 Kf6
40.d8B+ Kxe5 41.f4+ Kxf4 42.Bc7+ Kg5
43.Bf4+ Rxf4 44.Kd2 Rxc4 (4.289.661.309) 2752

27/72 27:07 +1.20-- 34.d7 Rcc2 35.Rc4 Rxc4 36.bxc4 h5
37.Kc1 Rd4 38.Kc2 Kf6 39.Rh7 Ke6
40.Rxh5 (4.478.989.111) 2751

27/72 27:41 +1.24 34.d7 Rcc2 35.Rc4 Rxc4 36.bxc4 h5
37.c5 Kf6 38.d8B Rxd8 39.Rxb7 Ke6
40.c6 Rc8 41.Rh7 Rxc6 42.Rh6+ Kd7
43.Rxh5 Rf6 44.a4 Ke6 45.g4 fxg4
46.fxg4 Rg6 47.Rxa5 (4.573.288.943) 2752


Eelco
Debugging is twice as hard as writing the code in the first
place. Therefore, if you write the code as cleverly as possible, you
are, by definition, not smart enough to debug it.
-- Brian W. Kernighan

User avatar
gleperlier
Posts: 1033
Joined: Sat Feb 04, 2012 9:03 pm

Re: Did Anand miss a win in Game 3?

Post by gleperlier » Mon May 14, 2012 7:17 pm

Analysis by Vitruvius_1.11H_HEM_x64:

1.d7 Rc5 2.Rexh7 Rd1+ 3.Kb2 Rd2+ 4.Ka3 b5 5.R4h6+ Kg5 6.d8B+ Rxd8 7.Rh4 Kf6 8.f4 Ke6 9.Ra7 Kd5 10.Rxa5 b4+ 11.Kxb4 Rxa5 12.Kxa5 Ra8+ 13.Kb4 Rxa2 14.Rh5 Ke4 15.g3 Ra8 16.Rg5 Rd8 17.Ka3 Ra8+ 18.Kb2 Rb8 19.Rg7 Kd4 20.Rg6 Ke4 21.Kc3 Rc8+ 22.Kb4 Kd5 23.Rg7 Kd4 24.Rb7 Ke4 25.Kb5 Kf3 26.Rg7 Rb8+ 27.Kc4 Rc8+ 28.Kd4
+/- (0.98) Depth: 25 00:00:18 147mN
(Gab, 14.05.2012)

User avatar
gleperlier
Posts: 1033
Joined: Sat Feb 04, 2012 9:03 pm

Re: Did Anand miss a win in Game 3?

Post by gleperlier » Mon May 14, 2012 7:25 pm

In the same idea of Rc7, Rc4!?

[D]2r5/1p2R2p/3P2k1/p4p2/7R/1P3P2/P2r2P1/1K6 w - - 0 1

Analysis by HIARCS 13.2 MP:

1.Rc4 Rxc4 2.bxc4 Rxd6 3.Rxb7 Rc6 4.Rb5 Rxc4 5.Rxa5 Kg5 6.Kb2 h5 7.Ra8 Kf4 8.Rh8 Rc7 9.Rxh5 Rg7 10.Rh4+ Kg3 11.Rd4 Kxg2 12.f4 Kf3 13.Kc3 Rc7+ 14.Kd3 Ra7 15.a4 Ra5 16.Rc4 Rd5+ 17.Rd4
+/= (0.60) Depth: 24/54 00:08:28 1221mN, tb=7514
(Gab, 14.05.2012)

User avatar
Dr.Wael Deeb
Posts: 9635
Joined: Wed Mar 08, 2006 7:44 pm
Location: Amman,Jordan

Re: Did Anand miss a win in Game 3?

Post by Dr.Wael Deeb » Mon May 14, 2012 7:27 pm

Again as I wrote above without even using a chess engine,Mr.Houdini has rushed a little bit so early to claim that Anand had missed an easy win....

Maybe Kasparov or Fischer could have earned the full point here for white but this is of course a pure speculation :wink:
Dr.D
_No one can hit as hard as life.But it ain’t about how hard you can hit.It’s about how hard you can get hit and keep moving forward.How much you can take and keep moving forward….

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