Author: Dieter Buerssner
Date: 11:38:46 09/26/03
Go up one level in this thread
On September 26, 2003 at 12:29:09, Mihaly Szalai wrote:
>I think most of the chess engines will show a positive score
>(i.e. will find 4.h8=B) in this position except Junior. (We talked
>about something similar earlier.)
>
>8/7p/6pP/1B4P1/pp6/1k1K4/8/8 w - - 0 1
>
>1. Be8 a3 2. Bxg6 hxg6 3. h7 a2 4. h8=B!
Yace sees the underpromotion in under 1 s at depth 14. After 10 minutes it
shows:
201785128 9:44.5 Mat34 22t 1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8=B Ka4 5.Kc2
Ka3 6.Ba1 Ka4 7.Kb2 b3H 8.Kc3H Ka3H 9.Bb2+H
Ka4H 10.Kc4H Ka5H 11.Kxb3H Kb5H 12.Kxa2H {EGTB}
12...Kb4 13.Kb1! Kb5 14.Kc1 Kc5 15.Kd2! Kc6
16.Kd3 Kd5! 17.Bc3 Kc5 18.Ke4! Kd6! 19.Bb4+
Ke6! 20.Bc5 Kd7 21.Ke5! Kd8 22.Kf6! Kd7! 23.Bg1
Kd6! 24.Kxg6! Ke6 25.Kh6 Ke7 26.g6! Ke8 27.g7
Kf7! 28.Kh7! Ke7 29.g8=Q! Kd7 30.Qd5+ Kc7!
31.Bf2 Kc8! 32.Qc6+ Kb8! 33.Qd7! Ka8 34.Qa7#
{1351}
Regards,
Dieter
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.