Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Test Position = GM Tony Miles vs Deep Thought, 1989 [14...Bxh2!!]

Author: Michael Henderson

Date: 12:55:36 09/09/04

Go up one level in this thread


On September 09, 2004 at 15:47:39, Robert Hyatt wrote:

>On September 09, 2004 at 15:19:57, José Antônio Fabiano Mendes wrote:
>
>> GM Tony Miles vs Deep Thought, 1989
>> [D]r4rk1/ppB2pp1/2nb3p/8/2B5/2N2P2/PP1n1P1P/2KR3R b
>> Source ==> http://www.chesscafe.com/dvoretsky/dvoretsky.htm
>>
>>Now Black, it appears, must choose between 14...Nxc4 15.Bxd6 Nxd6 16.Rxd6, or
>>14...Bxc7 15.Kxd2.In either case, he stands better; but his opponent, who has
>>been able to maintain the material balance, has hopes of saving himself.
>>
>>On the other hand, several pieces are still en prise, so they’re “desperadoes,”
>>capable of anything. Black found a completely unexpected blow, guaranteeing him
>>a healthy extra pawn.
>>
>>14...Bd6xh2!! 15.Bc7xh2
>>
>>15.Rxd2 Bxc7 could hardly be called better. And one more “desperado” – 15.Bxf7+
>>Rxf7 16.Bxh2 – doesn’t help: after 16...Nxf3, White is a pawn down again.
>>
>>15...Nd2xc4 16.Rd1-d7 b7-b6
>>
>>And Black eventually converted the extra pawn.
>>
>>Oh – and I nearly forgot to tell you who was Black. It was the computer, Deep
>>Thought (the predecessor to Deep Blue, which beat Garry Kasparov in a match).
>>You can understand that, for a computer, with no human habits or prejudices to
>>shake off, finding a move like 14...Bxh2!! would not be difficult. I hope, after
>>reading this piece, that making similar imaginative decisions will become easier
>>for you, as well.
>
>The problem here is that this is a completely trivial move for a computer to
>find.  It might have been surprising back then, considering the very slow PC
>hardware that was around, but Crafty finds this instantly today, marking it as
>"easy" for most any program...
>

my program Pluto finds Bxh2 at depth=1 withs score 100+, for some reason--is it
that easy to find or do I have a bug?:

--Pluto(C) v 1.10--
DOS or Winboard mode?
xboard
setboard r4rk1/ppB2pp1/2nb3p/8/2B5/2N2P2/PP1n1P1P/2KR3R b
analyze
1 118 0 4055 d6h2
2 138 0 90 d6h2 c4f7
3 138 1 1354 d6h2 c4f7 g8f7 h1h2 d2f3
4 128 1 4161 d6h2 d1d2 h2c7 d2d7
5 135 4 12624 d6h2 c7h2 d2c4 d1d7 b7b6
6 121 12 29556 d6h2 c7h2 d2c4 d1d7 b7b6 h2f4
7 133 29 76502 d6h2 c7h2 d2c4 d1d7 b7b6 h2f4 a7a6
8 131 68 177090 d6h2 c7h2 d2c4 d1d7 b7b6 h2f4 a8d8 d7c7
9 132 159 391981 d6h2 h1h2 d2c4 d1d7 f8e8 h2h4 c6a5 c7a5 c4a5
10 136 404 1095268 d6h2 h1h2 d2c4 d1d7 b7b6 f3f4 f8e8 h2h5 e8e7 h5d5 e7d7 d5d7
11 137 948 2360233 d6h2 h1h2 d2c4 d1d7 b7b6 h2h5 f8e8 h5h4 c4e5 c7e5 c6e5
12 133 2100 5062550 d6h2 h1h2 d2c4 d1d7 b7b6 f3f4 f8e8 b2b3 c4a5 h2h3 e8e7 h3d3
e7d7 d3d7



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.