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Subject: Re: Testposition - Good bishop vs Limited knight

Author: Ed Schröder

Date: 09:46:35 03/02/01

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On March 02, 2001 at 08:37:53, Sune Larsson wrote:

>
>  [D]8/1p5k/4pP2/6B1/8/1P6/8/1n4K1 w - - 0 1
>
>  Dawson 1925
>
>  Seemingly about equal but your evals should soon show a big + for white.
>  In fact white is winning this position by showing the limitations
>  of a poor placed knight.
>
>  Test: White moves and wins. The sooner your program sees it - the better.
>        It might happen in a tournament game!
>
>
>  Sune


Aha, the knight gets trapped. 11 seconds for Gambit Tiger 2.0 (beta-1)

Ed

-----------

White: Gambit Tiger 2.0 beta 1


00:00:00.2	0,32	11	98523	Kf2 Kg6 Kf3 Nc3 Bh4 Nd5 Ke4 Nxf6+ Ke5 Nd7+ Kxe6 Nc5+
Ke5 Nxb3
00:00:00.2	0,62	12	187589	Kf2 Kg6 Ke3 Nc3 Bh4 Nd5+ Ke4 Nxf6+
00:00:01.0	0,04	13	298063	Kf2 Kg6 Ke3 Nc3 Kd4 Nd5 Ke5 Kxg5 f7 Ne7 f8N Nc6+ Kxe6
Nd4+ Ke5 Nxb3
00:00:01.9	-0,28	14	499828	Kf2 Kg6 Ke3 Nc3 Kd4 Nd5 Ke5 Kf7 b4 Nxb4 Bh4 Nd5 Bg5
b5
00:00:03.9	-0,72	15	960475	Kf2 Kg6 Ke3 Nc3 Kd4 Nd5 Ke5 Kf7 Bd2 Nxf6 Bc3 Ng4+ Kf4
Nf2 Bd4 Nd3+ Ke4
00:00:04.4	-0,72	16	1221587	Kf2 Kg6
00:00:05.2	-0,72	17	1732000	Kf2 Kg6 Ke3 Nc3 Kd4 Nd5 Ke5 Kf7 Bh4 Ne3 b4 Ng4+ Kd4
Nxf6 Ke5 Nd7+ Kd6 Nf8 Be7
00:00:10.1	-0,72	18	3158405	Kf2 Kg6 Ke3 Nc3 Kd4 Nd5 Ke5 Kf7 Bh4 Ne3 b4 Ng4+ Kd4
Nxf6 Ke5 Nd7+ Kd6 Nf8 Bf2
00:00:11.2	0,18	18	3448684	f7
00:00:13.3	0,18	19	4044006	f7
00:00:14.4	1,08	19	4228795	f7
00:00:16.2	1,08	20	5054740	f7
00:00:24.0	0,76	20	7553509	f7 Kg7 Be7 Kxf7 Bb4 e5 Kf2 Ke6 Ke3 Kd5 Kd3 e4+ Kc2
Kd4 Kxb1 Kd3 Kb2 e3 Ka3 e2
00:00:51.6	0,76	21	15757770	f7 Kg7 Be7 Kxf7 Bb4 e5 Kf2 Ke6 Ke3 Kd5 Kd3 e4+ Kc2
Kd4 Kxb1
00:01:31.7	1,42	22	27315459	f7 Kg7 Be7 Kxf7 Bb4 e5 Kf2 Ke6 Ke3 Kd5 Kd3 e4+ Kc2
Kd4 Kxb1 Kd3 Kc1 e3 Kd1 e2+
00:04:35.3	0,94	23	83919248	f7 Kg7 Be7 Kxf7 Bb4 e5 Kf2 Ke6 Ke3 Kd5 Kd3 e4+ Kc2
Kd4 Kxb1 Kd3 Kc1 e3 Kb2 Ke2




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