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Subject: Shredder's Opening book

Author: Aloisio Ponti Lopes

Date: 12:08:56 02/13/01


Last night Shredder 3.0 played this line as white against a friend at my local
FICS server:

1. d4 c6 2. c4 Nf6 3. Nc3 d5 4. e3 dxc4 5. Bxc4 b5 6. Bxb5

and got a lost position after 6... cxb5 7. Nf3 a6 8. O-O Bb7 9. Bd2 e6 10. a4 b4
11. Na2 a5 12. Nc1 Bd6 13. Nd3 Ba6 14. Qe2 Ne4 15. h3 O-O 16. Rac1 Nd7 17. Nfe1
Ndf6 18. Nf3 Qb6 19. Rc2 Rac8 20. Rcc1 Qb8 21. Rfd1

The time limit used was 5 min.+ 3 sec./move.

Isn't 6.Bd3 the "natural" move? I can't see why Shredder played 6. Bxb5. Even
after 7.Qf3 Bd7! 8.Qxa8 Bc6 9.Qxa7 Bxg2 10.Nxb5 Nc6 black has a better position.

I tryed the book of Shredder 4 and nothing has changed. Switched to Shredder5
and it still considers 6.Bxb5 while in analysis mode.

Tried my "old" Fritz 5.16. It plays 6.Bd3 in less than 2 minutes.

What is the problem here? How can I fix that?

------------------------------------------------------------------------------

Comparing the 2 programs, I think Fritz opening book is much easier to change
(the tree can be edited very easily). That's one of the features of Shredder I
really don't like.

A. Ponti

A. Ponti



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