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Subject: Re: Mate in 20 Moves

Author: Dann Corbit

Date: 18:44:03 01/26/06

Go up one level in this thread


On January 26, 2006 at 10:21:17, Eduard Nemeth wrote:

>Matt in 20 moves, composition by Eduard Nemeth 2002:
>
>[D]B2k4/KPpP4/n1Pb4/P5p1/5p2/5P2/8/8 b - - 0 1
>
>Analysis by Rybka 1.01 Beta 13 32-bit:
>
>1...Sb8 2.Kxb8 Lc5 3.a6 Ld4 4.a7 Lf6
>  =  (0.00)   Tiefe: 27   00:01:01  1464kN
>1...Sb8 2.Kxb8 Lc5 3.a6 Ld4 4.a7 g4 5.fxg4 f3 6.g5 f2 7.g6 f1D 8.g7
>  -+  (-319.61)   Tiefe: 28   00:02:49  2968kN
>
>(Nemeth, Privat 26.01.2006)
>
>Rybka 1.01 Beta 13 finds it on my slow PC after 2:49.
>
>Which says other programs?


Analysis from E:\M20.EPD
1/26/2006 6:33:17 PM Level: 600 Seconds
Analyzing engine: Gandalf60

1)
    Avoid move:
    Best move (Gandalf60): Na6-b8
    Not found in: 10:00
     7/12	00:00	       2.776	27.760	-2.59	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4
     8/13	00:00	       4.728	47.280	-2.65	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3
     9/18+	00:00	       7.270	72.700	-2.20	Na6b8 Ka7xb8
     9/18+	00:00	       7.297	72.970	-1.76	Na6b8 Ka7xb8
     9/18+	00:00	       7.315	73.150	-0.86	Na6b8 Ka7xb8
     9/18	00:00	       7.358	73.580	 0.00	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
Bg1f2
    10/18	00:00	       8.694	86.940	 0.00	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
Bg1f2
    11/18	00:00	       9.385	93.850	 0.00	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
Bg1f2
    12/22+	00:00	      12.128	121.280	+0.25	Na6b8 Ka7xb8
    12/22+	00:00	      12.192	121.920	+0.54	Na6b8 Ka7xb8
    12/22+	00:00	      12.224	122.240	+1.12	Na6b8 Ka7xb8
    12/22+	00:00	      12.377	123.770	+2.27	Na6b8 Ka7xb8
    12/22	00:00	      13.184	131.840	+2.30	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5e3 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Qf1c4
    13/24	00:00	      20.842	208.420	+2.94	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5e3 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Qf1c4 g7g8Q+ Qc4xg8
    14/28-	00:00	      40.976	409.760	+2.20	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5e3 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Qf1c4 g7g8Q+ Qc4xg8
    14/32	00:00	      50.758	507.580	+1.95	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Bg1xa7+ Kb8xa7 Qf1a1+ Ka7b8 Qa1xg7
Kb8a7 Qg7d4+ Ka7a6
    15/32	00:00	      81.571	407.855	+2.04	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Bg1xa7+ Kb8xa7 Qf1a1+ Ka7b8 Qa1xg7
Kb8a7 Qg7a1+ Ka7b8 Qa1c3 Kb8a7
    16/32+	00:00	      98.399	491.995	+2.49	Na6b8 Ka7xb8
    16/32+	00:00	      98.446	492.230	+2.94	Na6b8 Ka7xb8
    16/39	00:00	     127.753	638.765	+3.32	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Bg1xa7+ Kb8xa7 Qf1a1+ Ka7b8 Qa1xg7
Kb8a7 Qg7a1+ Ka7b8 Qa1c3 Kb8a7 Qc3c5+ Ka7b8 Qc5xc6
    17/43	00:01	     216.720	722.400	+3.32	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Bg1xa7+ Kb8xa7 Qf1a1+ Ka7b8 Qa1xg7
Kb8a7 Qg7a1+ Ka7b8 Qa1c3 Kb8a7 Qc3c5+ Ka7b8 Qc5xc6
    18/43+	00:01	     255.023	850.076	+3.77	Na6b8 Ka7xb8
    18/43+	00:01	     255.163	850.543	+4.22	Na6b8 Ka7xb8
    18/44	00:01	     382.669	956.672	+4.44	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Bg1xa7+ Kb8xa7 Qf1a1+ Ka7b8 Qa1xg7
Kb8a7 Qg7a1+ Ka7b8 Qa1c3 Kb8a7 Qc3c5+ Ka7b8 Qc5xc6 Kb8a7 Qc6a4+ Ka7b8 Kd8xd7
    19/44	00:01	     629.068	1.048.446	+4.54	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Bg1xa7+ Kb8xa7 Qf1a1+ Ka7b8 Qa1xg7
Kb8a7 Qg7a1+ Ka7b8 Qa1c3 Kb8a7 Qc3c5+ Ka7b8 Qc5xc6 Kb8a7 Qc6b6+ Ka7b8 Kd8xd7
    20/49	00:01	   1.032.175	1.146.861	+5.05	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Bg1xa7+ Kb8xa7 Qf1a1+ Ka7b8 Qa1xg7
Kb8a7 Qg7a1+ Ka7b8 Qa1c3 Kb8a7 Qc3c5+ Ka7b8 Qc5xc6 Kb8a7 Qc6a4+ Ka7b8 Qa4xd7
Kb8a7
    21/52	00:02	   2.110.346	1.318.966	+4.96	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Bg1xa7+ Kb8xa7 Qf1a1+ Ka7b8 Qa1xg7
Kb8a7 Qg7a1+ Ka7b8 Qa1c3 Kb8a7 Qc3c5+ Ka7b8 Qc5xc6 Kb8a7 Qc6a4+ Ka7b8 Qa4xd7
Kb8a7 Qd7d4+ Ka7a6
    22/61	00:04	   4.497.455	1.322.780	+5.05	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Bg1xa7+ Kb8xa7 Qf1a1+ Ka7b8 Qa1xg7
Kb8a7 Qg7a1+ Ka7b8 Qa1c3 Kb8a7 Qc3c5+ Ka7b8 Qc5xc6 Kb8a7 Qc6a4+ Ka7b8 Qa4xd7
Kb8a7 c7c5 Ka7b6
    23/61+	00:04	   4.708.085	1.307.801	+5.63	Na6b8 Ka7xb8
    23/62	00:08	   9.914.708	1.239.338	+6.17	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Bg1xa7+ Kb8xa7 Qf1a1+ Ka7b8 Qa1xg7
Kb8a7 Qg7a1+ Ka7b8 Qa1c3 Kb8a7 Qc3c5+ Ka7b8 Qc5xc6 Kb8a7 Qc6a4+ Ka7b8 Qa4xd7
Kb8a7 Qd7d4+ Ka7b8 c7c5 Kb8a7 c5c4+ Ka7a6
    24/62	00:23	  29.321.969	1.286.051	+5.40	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Bg1xa7+ Kb8xa7 Qf1a1+ Ka7b8 Qa1xg7
Kb8a7 Qg7a1+ Ka7b8 Qa1c3 Kb8a7 Qc3c5+ Ka7b8 Qc5xc6 Kb8a7 Qc6b6+ Ka7b8 Qb6d6
Kb8a7 Qd6d4+ Ka7b8 c7c5 Kb8a7 Qd4xd7
    25/62	00:47	  54.860.563	1.177.265	+5.40	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Bg1xa7+ Kb8xa7 Qf1a1+ Ka7b8 Qa1xg7
Kb8a7 Qg7a1+ Ka7b8 Qa1c3 Kb8a7 Qc3c5+ Ka7b8 Qc5xc6 Kb8a7 Qc6b6+ Ka7b8 Qb6d6
Kb8a7 Qd6d4+ Ka7b8 c7c5 Kb8a7 Qd4xd7
    26/62	01:14	  84.588.724	1.144.637	+5.66	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Bg1xa7+ Kb8xa7 Qf1a1+ Ka7b8 Qa1xg7
Kb8a7 Qg7a1+ Ka7b8 Qa1c3 Kb8a7 Qc3c5+ Ka7b8 Qc5xc6 Kb8a7 Qc6b6+ Ka7b8 Qb6d6
Kb8a7 Qd6d4+ Ka7b8 c7c5 Kb8a7 c5c4+ Ka7a6 Qd4e5 Ka6b6 Kd8xd7
    27/62+	01:16	  86.695.548	1.143.740	+6.36	Na6b8 Ka7xb8
    27/62+	01:16	  86.696.912	1.143.758	+7.07	Na6b8 Ka7xb8
    27/62+	01:16	  86.697.860	1.143.771	+8.48	Na6b8 Ka7xb8
    27/62+	01:16	  86.705.308	1.143.869	+11.29	Na6b8 Ka7xb8
    27/62+	01:16	  86.705.964	1.143.878	+16.92	Na6b8 Ka7xb8
    27/62+	01:16	  86.706.620	1.143.886	+28.19	Na6b8 Ka7xb8
    27/62	02:12	 155.460.706	1.177.732	+M21	Na6b8 Ka7xb8 Bd6c5 a5a6 Bc5g1 a6a7
g5g4 f3xg4 f4f3 g4g5 f3f2 g5g6 f2f1Q g6g7 Bg1xa7+ Kb8xa7 Qf1a1+ Ka7b8 Qa1xg7
Kb8a7 Qg7a1+ Ka7b8 Qa1b1 Kb8a7 Qb1b6+ Ka7b8 Qb6xc6 Kb8a7 Qc6b6+ Ka7b8 Qb6b4
Kb8a7 Kd8xd7 Ka7b8 Qb4d6 Kb8a7 Qd6c5+ Ka7b8 Kd7c6 Kb8c8 Qc5f8+
   1/26/2006 6:43:20 PM, Time for this analysis: 00:10:00, Rated time: 10:00

0 of 1 matching moves
1/26/2006 6:43:21 PM, Total time: 12:10:03 AM
Rated time: 10:00 = 600 Seconds




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