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Subject: Re: Tal - Spassky .. Tillburg 1980 -- hard

Author: Mike Byrne

Date: 20:55:17 10/03/03

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On October 03, 2003 at 21:07:01, Kim Roper Jensen wrote:

>
>[D]r4rk1/1b1n1pb1/3p2p1/1p1Pq1Bp/2p1P3/2P2RNP/1PBQ2P1/5R1K w - - 0 1
>
>1.Nxh5 gxh5 2.Rf5 Qe8 3.e5 and winning ....
>
>Seems hard for computers in tournament time, most programs(shredder 6 paderborn,
>crafty, list) gives black an advantage .. first after whites third move they
>suspect, after some time, that something is wrong ..
>
>Comments ??
>
>How about the "new" BM extension here ??

Standard "the king" with selecctive search = 12
P4 1.7 Ghz

New game
r4rk1/1b1n1pb1/3p2p1/1p1Pq1Bp/2p1P3/2P2RNP/1PBQ2P1/5R1K w - - 0 1

Analysis by The King SE:

1.Ne2 Nc5 2.Qe3 Ra2
  =  (-0.20)   Depth: 3   00:00:00
1.Bb1 Qe8 2.Ne2 Nc5
  =  (-0.18)   Depth: 3   00:00:00
1.Kg1 Ra2 2.Bb1
  =  (-0.13)   Depth: 3   00:00:00
1.Kg1 Qe8 2.Bb1 Ne5 3.R3f2
  =  (-0.16)   Depth: 4   00:00:00
1.Ne2 Nc5 2.Bh6 Bxh6 3.Qxh6 Bxd5
  =  (-0.06)   Depth: 4   00:00:00
1.Ne2 Qe8 2.Bh6 Ne5 3.Rf6 Bxf6 4.Bxf8
  =  (-0.22)   Depth: 5   00:00:00
1.Bf4 Qe7 2.Bh6 f6 3.Bxg7 Qxg7
  =  (-0.10)   Depth: 5   00:00:00
1.Bf4 Qe7 2.Bh6 Ne5 3.Bxg7 Kxg7 4.R3f2 Kg8
  ³  (-0.29)   Depth: 6   00:00:00  42kN
1.Ne2 Nc5 2.Bf6 Bxf6 3.Rxf6 Nd7 4.R6f3 Ra2
  =  (-0.06)   Depth: 6   00:00:00  66kN
1.Ne2 Nc5 2.Bf6 Bxf6 3.Rxf6 Nd7 4.R6f3 Ra2
  =  (-0.06)   Depth: 7   00:00:01  168kN
1.Ne2 Nc5 2.Bf6 Nxe4 3.Bxe4 Qxe4 4.Bxg7 Kxg7 5.Nd4 Kg8 6.Qh6 Qxd5
  =  (-0.25)   Depth: 8   00:00:02  348kN
1.Ne2 Nc5 2.Bf6 Nxe4 3.Bxe4 Qxe4 4.Bxg7 Kxg7 5.Nd4 Kg8 6.Qh6 Bxd5 7.Nxb5
  =  (-0.18)   Depth: 9   00:00:19  2401kN
1.Bh6 b4 2.Nf5 gxf5 3.Rxf5 bxc3 4.Rxe5 cxd2 5.Rg5 Ne5 6.Rxg7+ Kh8
  =  (0.10)   Depth: 9   00:00:29  3868kN
1.Bh6 Bxh6 2.Qxh6 b4 3.Nf5 b3 4.Bb1 gxf5 5.Rxf5 Qg7 6.Qxd6
  =  (0.07)   Depth: 10   00:00:41  5529kN
1.Bh6 Bxh6 2.Qxh6 Qg7 3.Nf5 gxf5 4.Qxd6 Ne5 5.Rxf5 Rfe8 6.Qb6 Rab8 7.Qxb5 Bc6
  =  (0.11)   Depth: 11   00:01:16  10940kN
1.Bh6 Bxh6 2.Qxh6 Qg7 3.Nf5 gxf5 4.Qxd6 Ne5 5.Rxf5 Rfe8 6.Qb6 Rab8 7.Qxb5 Bc6
  =  (0.11)   Depth: 12   00:02:05  18455kN
1.Bh6 Bxh6 2.Qxh6 Qg7 3.Qd2 b4 4.Ne2 b3 5.Bb1 Ra1 6.Nd4 Ne5 7.R3f2 Re8
  =  (0.06)   Depth: 13   00:05:04  44120kN
1.Nxh5 gxh5 2.Rf5 Qg3 3.R1f3 Ra1+ 4.Bd1 Nc5 5.Rxg3 Nxe4 6.Qf4 Nxg3+ 7.Qxg3 Rxd1+
8.Kh2 Rxd5 9.Rxd5 Bxd5 10.Qxd6 Be4
  ±  (0.74)   Depth: 13   00:08:38  73749kN

(Byrne, Secane, PA USA 03.10.2003)



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