Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Aufsess 2002

Author: Bernhard Bauer

Date: 05:33:53 03/15/02

Go up one level in this thread


On March 15, 2002 at 08:20:47, Bradley Woodward wrote:

>On March 15, 2002 at 06:56:15, Ed Schröder wrote:
>
>>The yearly Aufsess tournament in Germany has started again, when replaying
>>Rebel's game against Fritz in round-2 I came accross the below position:
>>
>>[d]8/8/6R1/1nB1K3/k7/7p/1P4bP/8 w - - 0 1
>>
>>White has a clear win but has troubles to give black the final knock, then the
>>surprising 64.Rxg2! follows, game over. How long do other programs need? Rebel
>>needs 2:15, that can be much shorter, or?
>
>G'day Ed.
>
>On my P4 1.7Ghz, Crafty finds it at ply 15, with a 96MB hash.
>
>               15     2:07     ++   1. Rxg2!!
>               15     2:12   7.60   1. Rxg2 hxg2 2. h4 Kb3 3. h5 Kc4 4.
>                                    Bg1 Kd3 5. h6 Ke2 6. h7 Kf1 7. Bb6
>                                    g1=Q 8. Bxg1 Nc7 9. h8=Q Kxg1
>
>

Which version did you use?
Crafty 18.13 needs 85 sec on a 2xP3-450.
      14->  54.27   5.78   1. Rg4+ Ka5 2. b3 Nc7 3. Rc4 Bf1 4.
                           Rc3 Bg2 5. Be7 Nb5 6. b4+ Kb6 7. Bc5+
                           Kb7 8. Rd3 Kc6
      15     1:15   5.78   1. Rg4+ Ka5 2. b3 Nc7 3. Rc4 Bf1 4.
                           Rc3 Bg2 5. Be7 Nb5 6. Rc2 Ka6 7. Bc5
                           Kb7 8. b4 Bf3
      15     1:25     ++   1. Rxg2!!
(4)   15->   1:29   6.17   1. Rxg2
      16     1:33     ++   1. Rxg2!!
(3)   16     1:39   7.62   1. Rxg2 hxg2 2. h4 Kb3 3. h5 Kc4 4.
                           Bb6 Nc7 5. Bg1 Kd3 6. h6 Ke2 7. h7
                           Kf1 8. Ba7 g1=Q 9. Bxg1 Kxg1 10. h8=Q
(2)   16->   1:50   7.62   1. Rxg2 hxg2 2. h4 Kb3 3. h5 Kc4 4.
                           Bb6 Nc7 5. Bg1 Kd3 6. h6 Ke2 7. h7
                           Kf1 8. Ba7 g1=Q 9. Bxg1 Kxg1 10. h8=Q
      17     1:55     ++   1. Rxg2!!
      17     2:24   8.79   1. Rxg2 hxg2 2. h4 Kb3 3. h5 Kc4 4.
                           Bb6 Nc7 5. b3+ Kxb3 6. h6 Nb5 7. h7
                           Na3 8. Bg1 Nc4+ 9. Kf6 Kc2 10. Kg5
                           Kd3 11. h8=Q


Kind regards
Bernhard



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.