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Subject: Re: Testposition - The Winning Arrow

Author: Sune Larsson

Date: 09:45:10 03/02/01

Go up one level in this thread


On March 02, 2001 at 12:36:45, Ed Schröder wrote:

>On March 02, 2001 at 09:29:37, Sune Larsson wrote:
>
>>
>>  [D]8/p1p2pp1/1pP3p1/3Pb2k/4P3/5P1P/8/3K2B1 w - - 0 2
>>
>>  From Queckenstadt 1914 (published in Sydsvenska Dagbladet /Swedish newspaper/)
>>
>>  Here we have a bishop ending. White is a pawn down and black has two
>>  passers. No wonder your evals show a +score for black. But they should
>>  change cause white is winning this position. His pawns c6,d5,e4,f3
>>  resembles an arrow, and once white lets it off there is fire on the board!
>>
>>  Test: White to move and win - could you do that under normal tournament
>>        conditions (40/2)
>>
>>  Sune
>
>
>I think the motif is f4 e5 d6 having a strong passer on c6. Rebel picks
>1.f4 but later this is refuted again.
>
>Gambit Tiger 2.0 (beta-1) almost instantly picks 1.f4, sticks with it
>and in the end even produces a +2.xx score.

 That's what we wanted to see... Showing good talents with bow and arrow...;)
>
>Ed
>
>-------------------
>
>00:00:00.7	-1,56	9	96266	Be3 g5 Bf2 a5 Kc2 a4 Kb1 a3 Ka2
>00:00:00.6	-0,04	9	108353	f4
>00:00:00.7	-0,04	10	109694	f4
>00:00:00.2	-0,82	10	140125	f4 Bxf4 Bd4 f6 e5 fxe5 Be3 Bg5 d6 Bd8
>00:00:01.6	-0,82	11	204195	f4 Bxf4 Bd4 f6 e5 fxe5 Be3 Bg5 d6 Bd8 d7 Kh4
>00:00:02.3	0,08	12	412037	f4
>00:00:02.7	0,24	12	563740	f4 Bxf4 Bd4 f6 e5 fxe5 Be3 Bg3 d6 e4 d7 Bh4 Kc2
>00:00:04.9	0,40	13	996328	f4 Bxf4 Bd4 f6 e5 fxe5 Be3 Bg3 d6 e4 d7 Bh4 Bf4 Bd8
>00:00:12.3	0,40	14	2625130	f4 Bxf4 Bd4 f6 e5 fxe5 Be3 Bg3 d6 e4 d7 Bh4 Bf4 Bd8
>Kc2
>00:00:25.3	0,34	15	5348416	f4 Bxf4 Bd4 f6 e5 fxe5 Be3 Bg3 Bf2 Bf4 d6 e4 d7 Bg5
>Bg3 Bd8
>00:01:29.1	0,46	16	18690158	f4 Bxf4 Bd4 f6 e5 fxe5 Be3 Bg3 d6 e4 d7 Bh4 Bd4 Kh6
>Be5 Bd8 Kc2
>00:04:00.9	1,36	17	51469115	f4
>00:04:53.4	2,08	17	62756195	f4 Bxf4 Bd4 f6 e5 fxe5 Be3 Bg3 Bg5 Kxg5 d6 cxd6 c7
>a5 c8Q Bf2 Qd8+ Kf4 Qxd6



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