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Subject: Re: test position

Author: Steffen Jakob

Date: 22:54:47 07/18/02

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On July 18, 2002 at 23:52:40, Ron Murawski wrote:

>On July 18, 2002 at 22:24:13, K. Burcham wrote:
>
>>
>>here GM Timman 2623 FIDE played 14.Nxf6
>>is there any program that prefers to exchange Knights at f6, instead of the pawn
>>capture at e7?
>>
>>kburcham
>>
>>
>>
>> [D] rnbq1r2/4ppkp/p2p1np1/3N4/1p1N4/4Q2P/PPP2PP1/2KR1B1R w - - 0 1
>
>On a 1.8GHz AMD, it takes the latest Horizon beta 14.12 seconds to find Nb6.
>Horizon agrees with Chessmaster that this is the best move.
>
>Depth Score   Time      Nodes   pv
>  4     47      44      16293   Nxe7 Re8 Re1 Kh8
>  4    115      44      16673   Nxf6 exf6 Qe4 Ra7
>  4    128      49      17552   Nxb4 Kh8 Qh6 Ra7
>  4    137      49      19005   Bc4 Kh8 Nxe7 Ra7
>  5     79?     55      30021   Bc4 Bb7 Ne6+ fxe6 Bxa6
>  5    115      60      35197   Nxb4 Kh8 Qf3 Ra7 Bc4
>  5    142      60      41915   Nxe7 Bb7 Ndf5+ Kh8 Qh6 d5
>  6    128      82     103073   Nxe7 Re8 Re1 Kh8 Bc4 Ra7
>  7    111     143     279955   Nxe7 Re8 Re1 Bb7 f3 Be4 Bd3 Rxe7 fxe4
>  8     82?    247     652614   Nxe7 Re8 Re1 Qc7 Qf3 Ra7 Kd2
>  8     82     478    1481058   Nxe7 Kh8 Qf3 d5 Nxc8 Ng8
>  9     61     604    1889811   Nxe7 Re8 Qf3 Rxe7 Qxa8 Bb7 Qa7 Bxg2 Qxe7 Qxe7
>                                Bxg2
>  9    111!   1412    4493054   Nb6 Qxb6 Nf5+ Bxf5 Qxb6 Bxh3 Rxh3
                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
That is a weird PV!

Greetings,
Steffen.

>  9    114    1648    5265170   Nb6 Bb7 Nxa8 Bxa8 Be2 Bxg2 Rhg1 Be4 Qg5
> 10     89    2422    7893348   Nb6 Bb7 Nxa8 Bxa8 Kb1 e5 Nf3 Bxf3 Qxf3 d5
> 11    117    5471   17568997   Nb6 Ra7 Nxc8 Rb7 Nxd6 exd6 Bc4 Rc7 Bb3
>
>Ron



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