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Subject: Re: second test position resp-movei

Author: Sune Fischer

Date: 15:51:32 04/21/04

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On April 21, 2004 at 18:22:32, Sune Fischer wrote:
>>
>>5..a5 looks interesting.
>>Does your trapped code ignore that possible lever or did you consider that b4 is
>>defended by a pawn on a3?
>
>It looks like it is trying to break out the bishop, after axb4 axb4 it doesn't
>see the bishop as trapped anymore, there is a hole in the cage.
>
>It belives it can get out via b6, a5 and now attack b4 which has become a
>non-fortress pawn.
>
>It's not so easy too repair, if I mask out the forbidden squares between fills
>so it doesn't stop and turn on an enemy square, then I also mask out a lot of
>the trapped detection squares.

Well it wasn't as hard as I thought, no more a5 :)

[D]1k1r3r/b1p1n3/2p2pq1/1pP1p3/1P2P2p/3P1P2/2Q1NKP1/R1B3R1 b - - 0 1
6	212	27	      99752	1...Rhg8 2.Rg1 Qh7 3.f4 h3 4.Ng3
6	211	27	     104312	1...h3
6	205	30	     118092	1...h3 2.gxh3 Rxh3 3.d4 Rh2+ 4.Ke3 Nd5+ 5.Kd3 a5
7	188	44	     245599	1...h3 2.gxh3 Rxh3 3.Be3 Rh2+ 4.Ke1 Qg2 5.f4
8	165	77	     529242	1...h3 2.gxh3 Rxh3 3.Be3 Rh2+ 4.Ke1 Qg2 5.d4 Qxf3
9	162	352	    2748616	1...h3 2.g3 h2 3.Bb2 a5 4.d4 Nd5 5.Qb3 a4
10	162	516	    4138520	1...h3 2.g3 h2 3.Bb2 Rh3 4.d4 exd4 5.Bxd4 Rdh8 6.Rh1 Rd8
11	162	883	    7242929	1...h3 2.g3 h2 3.Bb2 Rh3 4.d4 exd4 5.Bxd4 Rdh8 6.Rh1 Nd5
12	172	3095	   25599202	1...h3 2.g3 h2 3.Bb2 Rh3 4.d4 exd4 5.Bxd4 Rdh8 6.Rh1 Rd8
7.a4 Nd5

-S.



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