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Subject: Re: Quiet moves

Author: Dann Corbit

Date: 17:28:09 07/21/05

Go up one level in this thread


On July 21, 2005 at 20:21:29, Dann Corbit wrote:

>On July 21, 2005 at 17:23:41, Drexel,Michael wrote:
>
>>[D]r2qk2r/pp3ppp/2pp1n2/2b5/B2nP1b1/2NN4/PPPP1PPP/R1B1QRK1 b kq - 0 9
>>
>>This position is from a game played in 1908.
>>It should be a "no brainer" for the programs since it is a tactical position and
>>black is able to force a completely won position after only 7 ply.
>>
>>It is a tough position for most programs however since there is a quiet move in
>>the mainline. Only my Chessmaster found the solution quickly
>>(as expected,~1min), others including Shredder struggle big time here.
>>
>>Michael
>
>Other solvers:

Analysis from E:\nf3+.epd
7/21/2005 4:35:07 PM Level: Infinite
Analyzing engine: DeepSjeng 1.6

1) Nf3+;
    Searching move: Nd4-f3
    Best move (DeepSjeng 1.6): Nd4-f3
    identical moves! Found in: 08:10
     3/9-	00:00	       1.512	0	-0.85	Bc5b6
     3/11	00:00	       3.356	0	-1.05	Bc5b6 e4e5 d6xe5 Qe1xe5+ Qd8e7
     3/11	00:00	       4.285	0	-0.97	Nf6d7 Nd3xc5 Nd7xc5 Qe1e3
     4/12	00:00	       5.273	0	-0.88	Nf6d7 Nd3xc5 Nd7xc5 Qe1e3 Qd8f6
     4/14	00:00	       9.855	0	-0.81	00 Nd3xc5 d6xc5 d2d3 Qd8d6
     5/15	00:00	      11.146	0	-1.03	00 Nd3xc5 d6xc5 d2d3 b7b5 Ba4b3 Nd4xb3
a2xb3
     5/16	00:00	      16.597	0	-0.87	Bc5b6 e4e5 d6xe5 Qe1xe5+ Qd8e7 Qe5g5
     6/16	00:00	      31.428	0	-0.88	Bc5b6 e4e5 d6xe5 Qe1xe5+ Qd8e7 Qe5xe7+
Ke8xe7 Rf1e1+ Ke7d8
     7/20	00:00	      82.796	0	-0.89	Bc5b6 e4e5 d6xe5 Qe1xe5+ Qd8e7 Qe5xe7+
Ke8xe7 Rf1e1+ Ke7d6 Nd3e5 Bg4e6
     7/24	00:00	     146.518	0	-0.79	Nf6d7 Nd3xc5 Nd7xc5 Qe1e3 Nc5xa4 Qe3xd4
Na4xc3 d2xc3 00
     8/24	00:00	     194.816	0	-1.17	Nf6d7 Nd3xc5 Nd7xc5 Qe1e3 Nc5xa4 Qe3xd4
Na4xc3 d2xc3 00 Bc1f4
     8/24	00:01	     252.763	0	-1.03	Bc5b6 e4e5 d6xe5 Qe1xe5+ Qd8e7 Rf1e1 Qe7xe5
Nd3xe5 Bg4e6 Ne5c4 Bb6c7
     8/24	00:01	     511.177	0	-0.99	00 Nd3xc5 d6xc5 d2d3 b7b5 Ba4b3 Nd4xb3
a2xb3 b5b4 Nc3e2
     9/24	00:01	     610.700	0	-0.80	00 Nd3xc5 d6xc5 d2d3 b7b5 Ba4b3 Nd4xb3
a2xb3 b5b4 h2h3 b4xc3 h3xg4 c3xb2 Bc1xb2 Nf6xg4
     9/30	00:04	   1.677.846	398.589	-0.60	b7b5 e4e5 d6xe5 Ba4b3 Bc5d6 Nd3xe5 00
Qe1e3 Nd4xb3 a2xb3 Bg4d7 Ne5xd7 Qd8xd7
    10/30	00:06	   2.461.472	399.172	-0.42	b7b5 e4e5 d6xe5 Ba4b3 Bc5d6 Nd3xe5 00
Qe1e3 Nd4xb3 a2xb3 Bg4f5 d2d3 Qd8e8
    10/33	00:09	   3.828.985	420.566	-0.40	Bc5b6 Nd3f4 00 d2d3 Qd8e7 h2h3 Bg4d7
Bc1d2 Qe7e5 Qe1e3
    11/33	00:12	   5.071.631	430.396	-0.34	Bc5b6 Nd3f4 00 d2d3 Qd8e7 h2h3 Bg4d7
Bc1d2 Qe7e5 Ra1d1 Ra8e8 Qe1e3
    12/35	00:24	  11.355.300	474.081	-0.32	Bc5b6 Nd3f4 00 d2d3 Qd8e7 h2h3 Bg4d7
Nc3e2 Ra8e8 Bc1e3 Qe7e5 Ne2xd4 Bb6xd4 c2c3
    13/39	01:48	  55.290.607	518.670	-0.26	Bc5b6 Nd3f4 Nf6d7 Nc3e2 Nd4xe2+
Nf4xe2 Nd7c5 Ne2c3 00 d2d3 Rf8e8 Bc1e3 Qd8f6 Qe1d2 Nc5xa4 Nc3xa4
    13/41+	08:10	 241.893.239	512.296	+0.08	Nd4f3+
   7/21/2005 5:27:00 PM, Time for this analysis: 00:10:00, Rated time: 08:10

1 of 1 matching moves



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