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Subject: Re: Brutus is still too stupid

Author: Uri Blass

Date: 13:39:21 08/17/03

Go up one level in this thread


On August 17, 2003 at 15:00:00, Thomas Lagershausen wrote:

>[D]2r1k2r/3qbpp1/pnp1p1n1/1p1pPb2/PP1P3p/2N1BN1P/1RPQBPP1/4R1K1 w k - 0 16
>
>In this position Brutus played the lemmon 16.a5?? and there is no play on the
>queenside.This is very very weak positional play.
>
>There is absolutly too less chessknowledge in Brutus.
>
>So, there is no danger for the pc-software.
>
>I presume in Shredder is much more chessknowledge as in Brutus.
>
>TL

Shredder also likes a5 at small depths and even when it changes its mind it give
it a positive score.

I also do not think that the interesting question is a question of quantity of
chess knowledge but a question of quality of chess knowledge.

New game
2r1k2r/3qbpp1/pnp1p1n1/1p1pPb2/PP1P3p/2N1BN1P/1RPQBPP1/4R1K1 w k - 0 1

Analysis by Shredder 7.04(p850):

1.axb5 axb5
  =  (0.18)   Depth: 1/2   00:00:00
1.axb5 cxb5
  =  (-0.08)   Depth: 1/2   00:00:00
1.Bg5 Bxg5 2.Nxg5 Nxa4
  =  (0.00)   Depth: 1/4   00:00:00
1.Bg5 bxa4
  =  (0.15)   Depth: 1/7   00:00:00
1.Ra1
  ²  (0.37)   Depth: 1/7   00:00:00
1.Ra1
  ²  (0.37)   Depth: 1/7   00:00:00
1.Ra1 0-0
  =  (0.08)   Depth: 2/7   00:00:00
1.Ra1 0-0
  =  (0.08)   Depth: 2/7   00:00:00
1.Bg5 bxa4
  =  (0.15)   Depth: 2/7   00:00:00
1.Bg5 bxa4
  =  (0.15)   Depth: 2/7   00:00:00
1.Bg5 bxa4 2.Bxa6
  =  (-0.02)   Depth: 3/8   00:00:00
1.axb5 axb5
  =  (-0.01)   Depth: 3/12   00:00:00
1.axb5 axb5 2.Bg5 0-0
  =  (0.01)   Depth: 3/12   00:00:00
1.Ra1 bxa4 2.Nxa4 Bxh3
  =  (0.06)   Depth: 3/12   00:00:00
1.Ra1 0-0 2.Bg5 Nxa4 3.Nxa4 Bxg5 4.Qxg5 bxa4 5.Nxh4
  =  (0.20)   Depth: 3/13   00:00:00
1.Ra1 0-0 2.Bg5 Nc4 3.Bxc4 dxc4 4.Bxe7 Qxe7
  ²  (0.27)   Depth: 4/19   00:00:00
1.Ra1 0-0 2.Bg5 Nc4 3.Bxc4 dxc4 4.Bxe7 Qxe7
  ²  (0.27)   Depth: 5/23   00:00:00
1.Ra1 Nc4 2.Bxc4 dxc4 3.Ne2 0-0 4.Bg5 Rfd8 5.Bxe7 Qxe7
  =  (0.22)   Depth: 6/23   00:00:00  26kN
1.Ra1 Nc4 2.Bxc4 dxc4 3.Re1 0-0 4.Bg5 Rfd8 5.Bxe7 Qxe7
  =  (0.14)   Depth: 7/23   00:00:00  67kN
1.Bg5 bxa4 2.Ra1 0-0 3.Nxa4 Rc7 4.Nxb6 Bxg5
  =  (0.15)   Depth: 7/23   00:00:00  101kN
1.Bg5 bxa4 2.Ra1 f6 3.Be3 fxe5 4.dxe5
  =  (0.18)   Depth: 7/23   00:00:00  110kN
1.Bg5 0-0 2.Ra1 Nc4 3.Bxc4 dxc4 4.Bxe7 Qxe7 5.Ne2 Rfd8
  =  (0.22)   Depth: 8/23   00:00:02  280kN
1.Bg5 0-0 2.Ra1 Rfd8 3.Bxe7 Qxe7 4.Qe3 Kf8 5.Ra3 Nc4
  =  (0.25)   Depth: 9/25   00:00:03  492kN
1.Bg5 f6 2.exf6 gxf6 3.Bh6 Bd6 4.a5 Nc4 5.Bxc4 bxc4 6.Na4 Be4 7.Nb6
  ²  (0.31)   Depth: 10/30   00:00:09  1371kN
1.a5 Nc4 2.Bxc4 bxc4 3.Na4 Rb8 4.Bg5 Bd6
  ²  (0.32)   Depth: 10/30   00:00:10  1503kN
1.a5 Nc4 2.Bxc4 dxc4 3.Bg5 f6 4.exf6 gxf6 5.Bh6 Kf7 6.Ne4 Rcg8 7.c3
  ²  (0.47)   Depth: 10/30   00:00:11  1684kN
1.a5 Nc4 2.Bxc4 dxc4 3.Bg5 f6 4.exf6 gxf6 5.Bh6 Kf7 6.Ne4 Rhd8 7.c3 Qc7
  ²  (0.39)   Depth: 11/30   00:00:13  1972kN
1.a5 Nc4 2.Bxc4 dxc4 3.Bg5 f6 4.Bf4 0-0 5.exf6 Bxf6 6.Bg5 Bd8 7.Bxd8 Rcxd8 8.Qg5
Qd6 9.Nxh4 Qxd4 10.Nxg6 Bxg6
  =  (0.18)   Depth: 12/30   00:00:22  3337kN
1.Ra1 Nc4 2.Bxc4 dxc4 3.axb5 axb5 4.Ne2 Qd5 5.Ra7 0-0 6.Bg5 Bxg5 7.Qxg5 Be4
8.Nc3 Nf4
  =  (0.19)   Depth: 12/30   00:00:39  5721kN
1.Ra1 Rd8 2.axb5 axb5 3.Nd1 Nc4 4.Bxc4 dxc4 5.Rba2 Qd5 6.Bg5 Bxh3 7.c3
  ²  (0.26)   Depth: 12/33   00:01:03  9314kN
1.Ra1 Rd8 2.axb5 axb5 3.Nd1 Nc4 4.Bxc4 dxc4 5.Rba2 Qd5 6.Bg5 Bxh3 7.Bxe7
  ²  (0.37)   Depth: 13/33   00:01:53  16729kN
1.Ra1 Qb7 2.axb5 cxb5 3.Rxa6 Nc4 4.Bxc4 Rxc4 5.Rba2 Bxb4 6.Ra7 Kf8 7.Rxb7
  ²  (0.35)   Depth: 14/37   00:05:33  49556kN






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