Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Has anyone ever solved this position : I surrender

Author: Steve Schooler

Date: 05:23:47 04/08/01

Go up one level in this thread


On April 07, 2001 at 21:47:56, Alex Szabo wrote:

>On April 07, 2001 at 16:12:38, Steve Schooler wrote:
>
>>[D]2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - - 0 1
>>
>>Position too complicated for me; all I can do is offer sample lines.  After
>>1...Rb4 2.cxb4 a4 3.b5+ Kxb5 4.Ba3 c3 5.Re2 Kc4 6.f4 Kxd4 7.f5 exf5 8.e6 Kd3
>>9.e7 Bd7 10.Kf3 d4 11.Rh2
>>
>>11...Be8 instead of
>>
>>[11...Kc4 12.Rh8 b2 13.Rb8 d3 14.Bxb2 cxb2 15.Rxb2 a3 16.Rb7 Be8 17.Ra7 Kb3
>>18.Ke3 a2 19.Kxd3 Kb2 20.Rb7+ Kc1 21.Ra7]
>>
>>seems to refute.
>>
>>12.Re2 [12.Rh8 b2 13.Bxb2 cxb2] 12...Kc4 13.Rh2 [13.Kg2 d3 14.Rf2 d2; 13.Kf2 d3
>>14.Re6 (14.Re1 b2) 14...b2] 13...d3 14.Rh4+ Kd5 15.Ke3 d2 16.Rd4+ Ke5 17.Rd8 b2
>>18.Bxb2 cxb2 19.Rb8 a3 20.Kxd2 a2
>
>White's reply to 11...Be8 is 12.Kf4 (not Re2); here's the main line for that
>variation:
>
>11...Be8 12.Kf4 Kc4 13.Ke5 Bb5 14.Rh4 b2 15.Rxd4+ Kb3 16.Rb4+ Kxa3
>17.Rxb5 c2 18.e8=Q c1=Q 19.Qe7+ Ka2 20.Qb4 Qe3+(2) 21.Kf6 a3(3)
>22.Qc4+ Ka1 23.Rb3 Qa7 24.Qf1+ Ka2 25.Qc4 =
>
>(2) 20...Qc2 21.Ra5 Qe4+ 22.Qxe4 fxe4 23.Rxa4+ Kb3 24.Ra8 e3 25.Rb8+ Ka2
>    26.Ra8+ Kb1 27.Kf4 e2 28.Re8 Ka1 29.Ra8+ =
>
>(3) 21...Qb3 22.Qxb3+ axb3 23.Ra5+ Kb1 24.Rc5 f4 25.Kxg6 f3 26.Kf6 f2
>    27.Rf5 Ka1 28.Ra5+ =
>
>Can you suggest any other better moves for black in these variations?

No.  I went over these lines as carefully as I could.  I can't find a way for
Black to win.  Fascinating position, thanks for posting.



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.