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Subject: Re: Interesting Test position

Author: John Merlino

Date: 09:42:36 06/13/04

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On June 13, 2004 at 08:40:18, Werner Schuele wrote:

>Which program avoids 25...Bh6 within around 3 mins?
>
>[d]4rr1k/pp4bp/1np3p1/4p1N1/P3Q2P/1R2B3/q1P2PP1/3R2K1 b - - 0 25
>
>
>
>[Event "60m + 15s, rated"]
>[Site "?"]
>[Date "2004.06.13"]
>[Round "?"]
>[White "Cm8000ws, Shredder8CLASSIC"]
>[Black "Valtas, Shredder 8"]
>[Result "1-0"]
>[ECO "B04"]
>[WhiteElo "2598"]
>[BlackElo "2639"]
>[Annotator "Schüle,Werner"]
>[PlyCount "71"]
>[EventDate "2004.06.13"]
>
>
>1.e2-e4 Sg8-f6 2.e4-e5 Sf6-d5 3.d2-d4 d7-d6 4.Sg1-f3 g7-g6 5.Lf1-c4 Sd5-b6
>6.Lc4-b3 Lf8-g7 7.Dd1-e2 Sb8-c6 8.0-0 0-0 9.h2-h3 Lc8-f5 10.a2-a4 d6xe5
>0.08/16  2:33  11.d4xe5 Sc6-d4   -0.03/17  2:56  12.Sf3xd4 Dd8xd4   -0.03/15  0
>13.Tf1-e1 Sb6-d7   0.01/16  2:36  14.e5-e6 Lf5xe6   0.15/18  1  15.Lb3xe6 f7xe6
> 0.23/19  0  16.De2xe6+ Kg8-h8   0.06/19  0  17.Lc1-e3 Dd4xb2   0.00/18  2:52
>18.Sb1-d2 Sd7-b6   -0.01/17  3:49  19.De6-e4 c7-c6   -0.10/16  1:47  20.Sd2-f3
>Db2-c3   -0.20/17  0  21.Ta1-b1 e7-e5   0.11/17  2:46  22.Te1-d1 Dc3-a3
>-0.16/16  2:06  23.Tb1-b3 Da3-a2   0.00/17  1:39  24.Sf3-g5 Ta8-e8   -0.11/16
>2:16  25.h3-h4 Lg7-h6   0.09/16  1:53  26.Sg5xh7 Cm8000ws reconnected.
>26...Kh8xh7   5.07/17  19:10  27.Le3xh6 Tf8-g8   3.37/14  2:53  28.h4-h5 Da2xb3
> 5.61/14  48  29.c2xb3 Kh7xh6   8.30/19  1:14  30.Td1-d6 Kh6xh5   8.38/19  0
>31.g2-g3 Kh5-h6   8.77/20  1:16  32.De4-h4+ Kh6-g7   6.26/7  0  33.a4-a5 Sb6-c8
> 9.12/20  0  34.Td6-d7+ Te8-e7   9.14/22  0  35.Td7xe7+ Sc8xe7   9.36/23  0
>36.Dh4xe7+ Valtas,Shredder 8 resigns  (Lag: Av=0.46s, max=1.0s) 1-0
>
>Werner

CM_SKR needs 0:50 on a P4-2.4 to avoid Bh6, but it looks bad for Black no matter
what move is chosen:

Time	Depth	Score	Positions	Moves
0:02	1/7	0.11	367791		25...Nxa4 26.Rd7 Nc3 27.Qc4 Nd5
					28.Rdxb7 Nxe3 29.fxe3
0:06	1/8	0.93	1070357		25...Nxa4 26.h5 Qxb3 27.cxb3 Nc3
					28.Qc2 Nxd1 29.Qxd1 h6 30.Ne4 Rd8
0:07	1/8	0.51	1260796		25...Nd5 26.Rxb7 Nc3 27.Qxc6 Nxd1
					28.Rxg7 Kxg7 29.Qd7+ Rf7 30.Qxe8
					Rf6 31.Bxa7 Qxc2
0:13	1/8	-0.09	2324999		25...Bh6 26.Ne6 Rxe6 27.Bxh6 Rfe8
					28.Bg5 Qxa4 29.Qxa4 Nxa4 30.Rxb7
					Nc3
0:17	1/9	0.18	3117068		25...Bh6 26.Ne6 Rxe6 27.Bxh6 Rfe8
					28.Bg5 c5 29.Rf3 Rc6 30.Bf6+ Kg8
					31.Bxe5 Qxa4
0:38	1/10	1.10	7540047		25...Bh6 26.Nxh7 Kxh7 27.Bxh6 Rf5
					28.Be3 Rg8 29.f4 exf4 30.Bxf4 Rf7
0:50	1/10	0.86	9529882		25...Nd5 26.Rxb7 Nc3 27.Qxc6 Nxd1
					28.Rxg7 Kxg7 29.Qd7+ Rf7 30.Qxe8
					Nxe3 31.Qxe5+ Rf6 32.Qe7+ Rf7 33.Qxf7+
					Qxf7 34.Nxf7 Nxc2
1:03	1/10	0.76	11813893	25...Kg8 26.h5 Rd8 27.Rxd8 Rxd8
					28.hxg6 Qa1+ 29.Kh2 h6 30.Qf5 hxg5
					31.Qf7+ Kh8 32.Bxb6
1:18	1/10	0.58	14542615	25...Rf6 26.h5 h6 27.hxg6 hxg5
					28.Bxg5 Kg8 29.Bxf6 Bxf6 30.Qf5
					Kg7 31.Qh5 Kf8
1:51	1/11	0.89	20890389	25...Rf6 26.h5 h6 27.hxg6 hxg5
					28.Bxg5 Qxa4 29.Rb4 Qxb4 30.Qxb4
					Rxg6 31.Be3 e4 32.Bxb6 axb6 33.Qxb6
4:08	1/12	1.07	46674741	25...Rf6 26.h5 h6 27.hxg6 hxg5
					28.Bxg5 Qxa4 29.Rb4 Qxb4 30.Qxb4
					Rxg6 31.Rd8 Rxd8 32.Bxd8 Bh6 33.Bxb6
					axb6 34.Qxb6
5:50	1/12	0.85	64384517	25...Nd5 26.h5 Nf6 27.Qc4 b5 28.axb5
					cxb5 29.Qxb5 Rc8 30.hxg6 Qxc2 31.Rbd3
					hxg6 32.Qxe5

jm



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