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Subject: Re: can programs find, Kramnik 18...Nb4

Author: Slater Wold

Date: 21:28:36 10/09/02

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On October 09, 2002 at 23:50:55, K. Burcham wrote:

>
>
>I thought 18...Nb4 was a key move that allowed Kramnik to trade pieces to a pawn
>endgame for the win.
>We all know that just because a player is 2850, all moves are not 2850, and all
>games played are not on a 2850 level.
>I am not sure what other GM's think the level of this move is, or the level of
>this line played after this move.
>So I was curious if Deep Fritz7 could see the GM move 18...Nb4.
>I was also curious if Deep Fritz7 could see the line played after this move,
>which includes as you know, all of the GM moves.
>
>The answer is yes to my questions. It took Deep Fritz7 one hour and five minutes
>to find Kramniks 18...Nb4. It took Deep Fritz7 two hours and 33 minutes to find
>the line played in the game. This line included all correct GM moves, up to move
>25.
>Even though Deep Fritz7 keeps the a3 move that Kramnik thought weakened whites
>game, I still find this interesting.
>
>
> [D] 2kr1b1r/p1p2p1p/1pn1b3/2p1Pp2/2P2P2/1PN1B3/P4KPP/R4B1R b - - 0 1
>
>Deep Fritz 7:
>
>18...Bg7 19.Nd5 Nb8 20.Bc1 c6 21.Nf6 Rd1 22.Rg1 Bxf6 23.exf6 Nd7 24.Ke2 Rd6
>25.Bb2 Re8
>  ²  (0.31)   Depth: 14/33   00:00:23  35656kN
>18...Bg7 19.Nd5 Nd4 20.Bd3 Rhe8 21.Rhd1 c6 22.Nf6 Bxf6 23.exf6 a5 24.Bxd4 cxd4
>25.Rac1 a4 26.b4
>  ²  (0.31)   Depth: 15/35   00:00:58  88188kN
>18...Bg7 19.Nd5 Nd4 20.Bd3 Rhe8 21.Bxd4 cxd4 22.a3 c6 23.Nf6 Bxf6 24.exf6 Rg8
>25.Rhc1 Rg6 26.c5 Kc7 27.cxb6+ axb6
>  ²  (0.28)   Depth: 16/39   00:01:52  169170kN
>18...Bg7 19.Nd5 Nd4 20.Bd3 Rhe8 21.Bxd4 cxd4 22.a3 c6 23.Rac1 Kb7 24.Nf6 Bxf6
>25.exf6 a6
>  =  (0.25)   Depth: 17/41   00:04:00  367116kN
>18...Ne7!
>  =  (0.22)   Depth: 17/42   00:07:47  714405kN
>18...Ne7 19.g3 Bg7 20.Re1 Rhe8 21.Bh3 Rd3 22.Nb1 Rd7 23.Bg2 Red8 24.Re2 c6
>25.Rd2
>  =  (0.19)   Depth: 18/45   00:21:33  1987305kN
>18...Ne7 19.Re1 Bg7 20.Bc1 Rhf8 21.Be2 f6 22.exf6 Bxf6 23.Bf3 Bd7 24.Nd5 Nxd5
>25.cxd5 Be8 26.Rd1 Bf7
>  =  (0.22)   Depth: 19/47   00:44:49  4162660kN
>18...Nb4!
>  =  (0.19)   Depth: 19/47   01:05:33  6108429kN
>18...Nb4 19.Rc1 Bg7 20.a3 Nd3+ 21.Bxd3 Rxd3 22.Rhd1 Rxd1 23.Rxd1 f6 24.exf6 Bxf6
>  =  (0.09)   Depth: 19/47   01:28:49  8248696kN
>18...Nb4 19.a3 Nc2 20.Rc1 Nxe3 21.Kxe3 Bg7 22.Nd5 c6 23.Nf6 Bxf6 24.exf6 Rhe8
>25.Kf3 Rd2 26.Rc3 Red8
>  =  (0.06)   Depth: 20/46   02:33:25  14270398kN
>18...Nb4 19.a3 Nc2 20.Rc1 Nxe3 21.Kxe3 Bg7 22.Nd5 c6 23.Nf6 Bxf6 24.exf6 Rhe8
>25.Kf3 Rd2 26.Rc3 Red8
>  =  (0.06)   Depth: 21/50   03:55:24  22070790kN
>18...Nb4 19.a3 Nc2 20.Rc1 Nxe3 21.Kxe3 Bg7 22.Nd5 c6 23.Nf6 Bxf6 24.exf6 Rhe8
>25.Kf3 Rd2 26.Rc3 Red8
>  =  (0.09)   Depth: 22/55   06:54:33  39219571kN
>
>kburcham

Give DJ 5 minutes.



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