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Subject: Re: Anyone analyzed Nunn Endgame Testposition 08? Its fantastic!!! :-)

Author: Dieter Buerssner

Date: 11:01:36 06/24/04

Go up one level in this thread


On June 23, 2004 at 04:05:47, Joachim Rang wrote:

>>>>>Winning:
>>>>>
>>>>>1.Bf6-g7 Ke4-d3 2.Bg7-e5 f4-f3 3.Be5-g3 Bd5-c6 4.Kf2-f1 Kd3-c3 5.Bg3-e1+ Kc3-b2
>>>>>6.Kf1-f2 Kb2xa3 7.Be1-d2 a6-a5 8.b4xa5 b5-b4 9.Kf2-e3 b4-b3 10.Bd2-c3 b3-b2
>>>>>11.Bc3xb2+ Ka3xb2 12.Ke3-d2 Kb2-b3 13.Kd2-d3 Kb3-b4 14.a5-a6 Kb4xc5 15.a6-a7
>>>>>Bc6-a8 16.Kd3-e3 Kc5-c4
>>>>
>Hi Dieter,
>
>If black allows c6 in the first moves the game will be drawn.


But then the line you gave above as "Winning" is wrong. I assumed it was
correct. I will try immediate Bc6. Actually I already did, and in most lines I
found a win. Many not trivial at all - after trying a few lines, I think I got
the main ideas, and actually could show the win to my engine rather fast in most
lines. The last try now of my engine (where I did not get a win yet) is
(starting from your Bg7)

1. Bg7 Bc6 2. Ke2 (and perhaps 2...f3+ 3. Kd2 kf4 4. Bd4 Kxg5 5. Ke3 Kf5 6. Bc3
g5 7. Be1 Kg4 8. Kf2 Kf4 9. Bd2 Kf5 10. Kg3

But I did not really study that line yet. After for example 2. Bf6 I got a +5
score.

Regards,
Dieter






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