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Subject: Re: Can somebody post Fritz's 25 move defeat in Israel? Incredible!

Author: Ed Schröder

Date: 03:22:44 01/30/00

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>This is turning out to be a fascinating position for computers to play over.
>Does any computer play 20. ... a4 in say less than ten minutes?


Rebel Century needs 5:07 to find 20..a4

00:00:32 10.00  -0.13   20..Qe8 21.Qg4 a4 22.e4 axb3 23.axb3
                       dxe4 24.Be3  (12)

00:02:10 11.00  -1.92   20..Qe8 21.Rf6 Rd8 22.R1f3 Qd7 23.Rh3
                       h6 24.Rxh6  (65)

00:05:07 11.02  -0.72   20..a4 21.Rxf7 Qe8 22.Rxf8+ Bxf8
                       23.Qxe8 Rxe8 24.bxa4 Ra8 25.Ra1
                       Rxa4  (150)

00:06:47 12.00  -0.72   20..a4 21.Rxf7 Qe8 22.Rxf8+ Bxf8
                       23.Qxe8 Rxe8 24.bxa4 Ra8 25.Ra1
                       Rxa4  (325)


The new Rebel Century 1.2 does a better job in 2:02

00:00:15 10.00  -0.13   20..Qe8 21.Qg4 a4 22.e4 axb3 23.axb3
                       dxe4 24.Be3 Qb8 25.Qxe4 f5 26.exf6
                       Rxf6  (7)

00:01:16 11.00  -1.13   20..Qe8 21.Rf6 Qd7 22.Rxf7 Qe8 23.Rxf8
                       Bxf8 24.Qg4 a4 25.e4 axb3 26.axb3
                       dxe4 27.Qxe4 g6  (43)

00:02:02 11.02  -0.72   20..a4 21.Rxf7 Qe8 22.Rxf8+ Bxf8
                       23.Qxe8 Rxe8 24.bxa4 Ra8 25.Ra1
                       Rxa4 26.Kf2 Kf7  (78)

00:02:41 12.00  -0.72   20..a4 21.Rxf7 Qe8 22.Rxf8+ Bxf8
                       23.Qxe8 Rxe8 24.bxa4 Ra8 25.Ra1
                       Rxa4 26.Kf2 Kf7 27.e4 g6  (131)

I think black is lost anyway.

But besides that I think the main problem of this game was 18..c3? giving
white a complete free hand on the king side. One bad move and off you go
against these guys.

Ed




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