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Subject: Re: Simple rook sac

Author: margolies,marc

Date: 16:44:21 03/01/04

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Hi Albert,
There are three flavors of the deep junior engine which are included in the cd
distribution.
If my memory serves me well, zx is the one that was used in the final rounds of
the kasparov match in new york.
the other two I think were anti-human and anti-computer respectively. but i feel
certain to be corrected here ;->
-Marc

On March 01, 2004 at 18:57:33, Albert Silver wrote:

>On March 01, 2004 at 18:29:34, George Tsavdaris wrote:
>
>>On March 01, 2004 at 18:01:21, Albert Silver wrote:
>>
>>>I had the pleasure of playing the following rook sac in a blitz game a short
>>>while ago. Since it turned out to be correct, I submit it to the engine fiends.
>>>It resists some engines a bit on my old hardware, so it might make an
>>>interesting addition to some test suite.
>>>
>>>[D]r2r2k1/ppq1bp2/2p1pnpB/8/1PP5/P1N3RP/2P1QPP1/4R1K1 w - -
>>>
>>>The key move is (rather obvious for a human though it needs to be worked out)
>>>1.Rxg6! followed by fxg6 2.Qxe6+ Kh7 3.Qf7+ Kxh6 4.Rxe7 Qd6 5.Qg7+ followed by
>>>the knight joining in.
>>>
>>>In the game my opponent dropped the knight with 4...Qc8 and resigned.
>>>
>>>                                   Albert
>>
>>Hi, can you give the whole game?
>
>Sure, but bear in mind it's only a blitz game.
>
>[Event ""]
>[Site "chessclub.com"]
>[Date "2004.3.1"]
>[Round ""]
>[White "Silver, Albert"]
>[Black "NN"]
>[Result "1-0"]
>[Eco "B01"]
>[Annotator ""]
>[Source ""]
>
>1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.Nf3 Bg4 5.h3 Bxf3 6.Qxf3 c6 7.Bc4
>Nf6 8.O-O e6 9.Re1 Be7 10.d3 Nbd7 11.Bd2 Qb6 12.a3 O-O 13.b4
>Bd6 14.Rad1 Ne5 15.Qe2 Nxc4 16.dxc4 Qc7 17.Bg5 Be7 18.Rd3 Rfd8
>19.Rg3 h6 20.Bxh6 g6 21.Rxg6+ fxg6 22.Qxe6+ Kh7 23.Qf7+ Kxh6
>24.Rxe7 Qc8 25.Qg7+ 1-0
>
>
>>
>>The first engine come to my mind was Deep Junior 8.ZX. Of course, it found
>>this immediately.
>
>What is DJ 8.ZX? What are the ZX for?
>
>                              Albert



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