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Subject: Re: Chess Tiger 13.0 without tablebases (a test position) !

Author: Dieter Buerssner

Date: 09:26:40 11/15/00

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On November 15, 2000 at 09:52:03, Eduard Nemeth wrote:

>This position is real from a game ( but not from Tiger ) !
>
>[D]8/8/8/6Np/2N5/Pk6/6K1/8 w - a3 0 1
>
>In this position played a old version from Fritz 5 (Fritz-Nemeth) Ne5?
>And the game was draw ! :)
>
>I give now this position Tiger 13.0 for test an Tiger 13.0 played Ne5 ?
>
>(With tablebases Tiger how about better)

Eduard, thanks for posting this position. I found another bug in Yace ;)
Fixing took a minute, and now I get the following output:

   1558191 9.094   1.46 10t : Nc4e5 h5h4 Kg2h3 Kb3xa3 Ng5e4 Ka3b4 Ne4f6 Kb4c5
                              Nf6d7+ Kc5d4 Kh3g4 [600]
   2000534 11.40   1.47 10t+: Ng5e4 Kb3xc4 Ne4d2+ Kc4c3 Nd2b1+ Kc3b2 a3a4
                              Kb2xb1 a4a5 Kb1c2 a5a6 h5h4 a6a7 Kc2c3 [0]
   2001401 11.41   2.80 10++: Ng5e4 Kb3xc4 Ne4d2+ Kc4d3 Nd2b1 h5h4 Kg2f3 h4h3H
                              a3a4H h3h2H Kf3g2H Kd3d4H [340]
   2060208 11.73   3.83 10t : Ng5e4 Kb3xc4 Ne4d2+ Kc4d3 Nd2b1 Kd3e4 Kg2g3
                              Ke4f5 Kg3h4 Kf5g6 a3a4 [340]

So, Ne4 is found after 11 seconds without TBs. The score will rise with longer
time.

Regards,
Dieter




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