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Subject: Testposition - Endgame

Author: Sune Larsson

Date: 00:40:46 06/24/01



  [D]8/6kP/8/3b1PK1/8/6N1/8/8 w - - 0 1

  In this position white wins with 1.Nh5+. If black takes
  the h7-pawn then the black bishop goes to heaven.

  When trying this position with Gambit Tiger, I got some
  strange output. In analyse mode it likes 1.h8B with a draw.
  Very puzzling indeed.


Analyse by Gambit Tiger 2.0

00:00:00.3	2,98	12	96204	Nh5+ Kh8 Nf6 Bb3 Kf4 Kg7 Kg4 Bc4 Kg5 Bf7 Kh4 Bc4
00:00:00.0	3,08	12	110478	Nh5+ Kh8 Nf6 Bb3 Kf4 Kg7 Ke5 Bc2 Ke6 Bd1 Kd6 Bb3 Kc7
00:00:01.2	2,18	13	359519	Nh5+
00:00:02.1	1,56	14	620558	Nh5+ Kh8 Nf6 Bb3 Ng8 Kxh7 Ne7 Kg7 f6+ Kf8 Nf5 Be6 Nd4
Bg8 Kf5 Ke8
00:00:04.6	1,69	14	1174926	h8B+ Kxh8 Kf6 Bg8 Ke7 Kg7 f6+ Kg6 Ne4 Kf5 Nc3 Kg6 Ne2
Kf5 Nd4+ Ke5 Nc2
00:00:04.8	1,69	15	1388715	h8B+ Kxh8 Kf6 Bg8 Ke7 Kg7 f6+ Kg6 Ne4 Kf5 Nc3 Kg6 Ne2
Kf5 Nd4+ Kg6 Nc6 Kf5
00:00:06.5	1,69	16	1885192	h8B+ Kxh8 Kf6 Bg8 Ke7 Kg7 f6+ Kg6 Ne4 Kf5 Nc3 Kg6 Ne2
Kf5 Nd4+ Kg6 Nc6 Kf5 Nd8
00:00:09.4	1,71	17	2770718	h8B+ Kxh8 Kf6 Bg8 Ke7 Kg7 f6+ Kg6 Ne4 Kf5 Nc3 Kg6 Nd1
Kf5 Ne3+ Kf4 Kf8 Be6 Nc2
00:00:13.9	1,71	18	4108035	h8B+ Kxh8 Kf6 Bg8 Ke7 Kg7 f6+ Kg6 Ne4 Kf5 Nc3 Kg6 Nd1
Kf5 Ne3+ Kg5 Nc2 Kf5 Nd4+
00:00:20.5	1,73	19	6698978	h8B+ Kxh8 Kf6 Bg8 Ke7 Kg7 f6+ Kg6 Ne4 Kf5 Nd6+ Kg6
Nb5 Kf5 Nd4+ Kg6 Ne6 Kf5 Nc5
00:00:34.9	1,73	20	11655854 h8B+ Kxh8 Kf6 Bg8 Ke7 Kg7 f6+ Kg6 Ne4 Kf5 Nd6+ Kg6
Nb5 Kf5 Nd4+ Kg6 Nc6 Kf5 Nb8
00:01:44.2	1,73	21	36549655 h8B+ Kxh8 Kf6 Bg8 Ke7 Kg7 f6+ Kg6 Ne4 Kf5 Nd6+ Kg6
Nb5 Kf5 Nd4+ Kg6 Nc6 Kf5 Nd8
00:03:03.0	1,73	22	63301063 h8B+ Kxh8 Kf6 Bg8 Ke7 Kg7 f6+ Kg6 Ne4 Kf5 Nd6+ Kg6
Nb5 Kf5 Nd4+ Kg6 Nc6 Kf5 Nd8

Sune





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