Author: Dieter Buerssner
Date: 14:42:07 04/07/04
Go up one level in this thread
On April 07, 2004 at 12:31:53, Mihaly Szalai wrote:
>On April 07, 2004 at 10:36:14, Eduard Nemeth wrote:
>
>>
>>
>>[D]8/5p2/6k1/2P1Q1p1/5p2/4qP2/6PK/8 w - - 0 1
>>
>>Eduard
>>
>Szia Eduard,
>
>analysis on my Celeron 1.7 GHz machine.
>
>PatzerUCI Leiden UCI 73 MB:
>12 00:36 1,54 Qe5d6+ f7f6 c5c6 Qe3e1 Qd6d3+ f6f5
>12+ 00:54 2,14 Qe5xe3
>13 01:41 9,09 Qe5xe3 f4xe3 Kh2g1 Kg6f6 Kg1f1 Kf6e6 Kf1e2 Ke6d5 Ke2xe3
>Kd5xc5 Ke3e4 f7f5+ Ke4xf5
>14 02:00 9,09 Qe5xe3 f4xe3 Kh2g1 Kg6f6 Kg1f1 Kf6e6 Kf1e2 Ke6d5 Ke2xe3
>Kd5xc5 Ke3e4 f7f5+ Ke4xf5
Phantastic by Patzer. I wonder, what magic he is doing here. I first thought,
very aggressively extending pawn endgame positions (when the root position is
not a pawn endgame) should help. But it is still rather deep, when the Qs are
already from the board. Very impressive.
With a bit of backward analysis in Yace, I get:
457 0.137 Mat31 20t 1.Qxe3 fxe3 2.Kg1H Kf6H 3.Kf1H Ke6H 4.Ke2H f5H
5.Kxe3H Kd5H 6.c6H Kxc6H 7.f4H g4H 8.Kd4H Kd6H
9.g3H Ke6H 10.Kc5H Ke7H 11.Kd5H Kf6H 12.Kd6H
Kf7H 13.Ke5H Kg6H 14.Ke6H Kg7H 15.Kxf5H {EGTB}
15...Kf7! 16.Kg5 Ke6! 17.f5+ Ke7! 18.f6+ Kf7!
19.Kf5! Kf8! 20.Kxg4! Kg8 21.Kf5! Kf8 22.g4 Kg8
23.g5 Kh8 24.g6! Kg8 25.g7 Kh7 26.Ke5 Kg8!
27.Ke6! Kh7 28.Kf7! Kh6 29.g8=Q! Kh5 30.Qg3!
Kh6 31.Qg6# {1081}
480 0.142 Mat31 20. 1.Qxe3 fxe3 2.Kg1 Kf6 3.Kf1 Ke6 4.Ke2 f5 5.Kxe3
Kd5 6.c6 Kxc6 7.f4 g4 8.Kd4 Kd6 9.g3 Ke6 10.Kc5
Ke7 11.Kd5 Kf6 12.Kd6 Kf7 13.Ke5 Kg6 14.Ke6 Kg7
15.Kxf5 {EGTB} 15...Kf7! 16.Kg5 Ke6! 17.f5+
Ke7! 18.f6+ Kf7! 19.Kf5! Kf8! 20.Kxg4! Kg8
21.Kf5! Kf8 22.g4 Kg8 23.g5 Kh8 24.g6! Kg8
25.g7 Kh7 26.Ke5 Kg8! 27.Ke6! Kh7 28.Kf7! Kh6
29.g8=Q! Kh5 30.Qg3! Kh6 31.Qg6# {1081}
Regards,
Dieter
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