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Subject: Re: Endgame test position

Author: Dieter Buerssner

Date: 14:58:22 01/15/04

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On January 15, 2004 at 13:39:57, Günther Simon wrote:


>Back to the real position, 47.Bc2+, Ke5 48.Kd3 your move...

I tried that position, and almost forgot, that it was still running. So after
while, I get a pretty convincing score, which I might also show here.
Unfortunately, PVs are cut or from HTs.

  62039547  1:16.3   3.40 18.  48...Bb2 49.Ke2 b5 50.Kd1 Kd4 51.g4 a5 52.h4 a4
                               53.g5 a3 54.Bb3 hxg5 55.hxg5 {160}
 115242212  2:19.5   3.80 19++ 48...Bb2 49.Ke2 b5 50.Kd1 Kd4 51.g4 a5 52.h4 a4
                               53.g5 a3 54.Bb3 hxg5 55.Ke2
 122791253  2:27.2   3.80 19t  48...Bb2 49.Ke2 b5 50.Kd1H Kd4H {HT}
 189487271  4:02.0   3.80 19.  48...Bb2 49.Ke2 b5 50.Kd1 Kd4
 298118965  5:55.0   4.19 20t  48...Bb2 49.Ke2 b5 50.Kd1 Kd4 51.g4 a5 52.g5
                               hxg5 53.g3 a4H 54.Bh7H b4H 55.Bd3H {HT}
 436011668  9:30.1   4.19 20.  48...Bb2 49.Ke2 b5 50.Kd1 Kd4 51.g4 a5 52.g5
                               hxg5 53.g3 a4 54.Bh7 b4 55.Bd3
 640939829 13:07.9   4.59 21++ 48...Bb2 49.Ke2 b5 50.Kd1 Kd4 51.g4 a5 52.g5
                               hxg5 53.g3 a4 54.Bh7 b4 55.h4
 654774064 13:22.1   4.59 21t  48...Bb2 49.Ke2 b5 {HT}
1140503062 25:05.8   4.59 21.  48...Bb2 49.Ke2 b5
1537581473 32:33.9   4.99 22++ 48...Bb2 49.Ke2 b5 50.Kd1 Kd4 51.g4 a5 52.g5
                               hxg5 53.g3 Ke3 54.Bf5 a4 55.Be6 a3 56.Kc2
1859507083 38:35.3   5.56 22t  48...Bb2 49.Ke2 b5 50.Kd1 Kd4 51.g4 a5 52.h4 a4
                               53.g5 a3 54.Bb3 hxg5 {HT} {240}
2936878462 1:04:10   5.56 22.  48...Bb2 49.Ke2 b5 50.Kd1 Kd4 51.g4 a5 52.h4 a4
                               53.g5 a3 54.Bb3 hxg5 {HT}
3674696417 1:17:51   5.96 23++ 48...Bb2 49.Ke2 b5 50.Kd1 a5 51.Bd3 b4 52.Bc2
                               Kd5 53.Bb3+ Kc5 54.g4 Kb5 55.h4 a4 56.Bc2 b3
                               57.Bb1
3759415838 1:19:45   5.96 23t  48...Bb2 49.Ke2 b5 {HT}
 428184913 1:40:44   5.96 23.  48...Bb2 49.Ke2 b5
2229323695 2:17:57   6.36 24++ 48...Bb2 49.Ke2 b5 50.g4 a5 51.h4 a4 52.Kd1 a3
                               53.Bb3 Ke4 54.g5 Kd3 55.Bc2+ Ke3 56.Bb3 Bc1
                               57.g6 a2 58.g7 a1=Q 59.g8=N
3657026566 2:46:58   7.36 24++ 48...Bb2 49.Ke2 b5 50.g4 a5 51.g5 hxg5 52.Kd1
                               a4 53.g3 Kd4 54.h4 a3 55.Ba4
3978525221 2:53:33   7.36 24t  48...Bb2 49.Ke2 b5 {HT}

Did you try any engines? I would guess, that many engines will be able to show a
win here. Probably much faster than Yace ...

Regards,
Dieter



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