Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: a mistake in the gcp test suite(ECM 1945) Rf3 is another solution

Author: Joachim Rang

Date: 08:11:06 11/13/02

Go up one level in this thread


On November 13, 2002 at 09:43:36, Bob Durrett wrote:

>On November 13, 2002 at 06:48:47, Joachim Rang wrote:
>
>>yep, I think you're right.
>>
>>This is what I got from DF 7 on depth 15:
>>
>>New game
>>5rk1/p1p1br2/1p1p2qp/4p3/2PPn1pP/3Q2P1/PPN1P1K1/2RR2B1 b - - 0 1
>>
>>Analysis by Deep Fritz 7:
>>
>>1. -+ (-3.31): 1...Bxh4 2.gxh4 Rf3 3.dxe5 Rxd3 4.exd3 dxe5 5.Be3 Nd6 6.h5 Qxh5
>>7.Rh1 Qf5 8.Ne1
>>2. -+ (-3.09): 1...Rf3 2.exf3 gxf3+ 3.Qxf3 Rxf3 4.Kxf3 Nxg3 5.dxe5 Bxh4 6.Rd4
>>Qf5+ 7.Kg2 Ne2 8.Ne3 Qxe5 9.Rg4+ Bg5 10.Re1
>
>Obviously, then, 1...Bxh4 is better than 1...Rf3.  Right?   : )
>
>Bob D.


I don't think so. Both moves lead to a victory, hard to say which one is better.
On depth 14 the order was reversed. This may vary from engine to engine and from
depth to depth. Nevertheless it shows that there are at least two winning moves.



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.