Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Test position, rook endgame w/ passers & candidate

Author: Dieter Buerssner

Date: 14:46:14 01/06/03

Go up one level in this thread


On January 06, 2003 at 03:49:00, Scott Gasch wrote:

>Here's a position from monsoon-tinker tonight.  I believe that monsoon has just
>blundered the win by playing f5.  It's tinker's move now and I think that f6
>holds the draw.  Tinker played Ka6 which lost because it allowed white to play
>e5 and make another passer.  Monsoon wants to play c3 here with a drawish
>score... maybe that plan works too.  What does your engine say and do you chess
>experts think f6 really holds?
>
>2r5/1k3ppp/1P6/P4P2/2p1P3/8/7P/2R4K b - - 0 40

Yace also chooses c3. P4, 2.53 GHz:

  10947138  13.193  -0.42 12t  40...h5 41. e5 Ra8 42. Rxc4 Rxa5 43. Re4 Kxb6
                               44. e6 Ra1+ 45. Kg2 fxe6 46. fxe6H Ra2+H 47.
                               Kg3H Ra3+H 48. Kh4H g6H 49. e7H Re3H {0}
  13045080  15.626  -0.42 12.  40...h5 41. e5 Ra8 42. Rxc4 Rxa5 43. Re4 Kxb6
                               44. e6 Ra1+ 45. Kg2 fxe6 46. fxe6 Ra2+ 47. Kg3
                               Ra3+ 48. Kh4 g6 49. e7 Re3 {0}
  18082204  21.552  -0.38 13t  40...h5 41. Kg2 c3 42. e5 Rc5 43. Ra1 c2 44.
                               a6+ Kxb6 45. a7 c1=Q 46. Rxc1 Ra5 47. e6 Rxa7
                               48. Kf3 {0}
  21945980  25.930  -0.38 13.  40...h5 41. Kg2 c3 42. e5 Rc5 43. Ra1 c2 44.
                               a6+ Kxb6 45. a7 c1=Q 46. Rxc1 Ra5 47. e6 Rxa7
                               48. Kf3 {0}
  34086600  40.726  -0.33 14t  40...h5 41. e5 Ra8 42. Rxc4 Rxa5 43. Re4 Kxb6
                               44. e6 fxe6 45. fxe6 Ra8 46. e7 Re8 47. Kg2 Kc7
                               48. h4 Kd7H {0}
  42596269  50.796  -0.33 14.  40...h5 41. e5 Ra8 42. Rxc4 Rxa5 43. Re4 Kxb6
                               44. e6 fxe6 45. fxe6 Ra8 46. e7 Re8 47. Kg2 Kc7
                               48. h4 Kd7 {0}
  66675183  1:20.9  -0.29 15t  40...h5 41. Kg2 c3 42. Kf3 Rc5 43. Ke3 Rxa5 44.
                               Rxc3 Kxb6 45. Kf4 {0}
  80929055  1:39.5  -0.28 15t+ 40...c3 41. e5 Rc5 42. e6 fxe6 43. fxe6 Rxa5
                               44. Rxc3 Kxb6 45. Re3 Ra8 46. e7 Re8 47. Kg2
                               Kc6 48. h4 Kd7 49. Rb3 {0}
 122030107  2:30.3  -0.20 15t  40...c3 41. Kg2 Rc5 42. h4 g6 43. f6 Rxa5 44.
                               Rxc3 Kxb6 45. Kf3H g5H 46. Rb3+H Kc6H {0}
 136107528  2:47.4  -0.20 15.  40...c3 41. Kg2 Rc5 42. h4 g6 43. f6 Rxa5 44.
                               Rxc3 Kxb6 45. Kf3 g5 46. Rb3+ Kc6 {0}
 187295148  3:54.1  -0.16 16t  40...c3 41. Kg2 Rc5 42. Kf3 f6 43. Ke3 Ka6H {HT}
 215356250  4:28.2  -0.16 16.  40...c3 41. Kg2 Rc5 42. Kf3 f6 43. Ke3 Ka6
 340008186  7:16.6  -0.16 17t  40...c3 41. Kg2 Rc5 42. h4 g6 43. f6 Rxa5H 44.
                               Rxc3H Kxb6H 45. Rc8H Re5H 46. Rf8H Rxe4H 47.
                               h5H {HT} {80}
 445619411  9:29.8  -0.16 17.  40...c3 41. Kg2 Rc5 42. h4 g6 43. f6 Rxa5 44.
                               Rxc3 Kxb6 45. Rc8 Re5 46. Rf8 Rxe4 47. h5 {HT}
                               {80}
 664161106 14:21.8  -0.17 18t  40...c3 41. Kg2 Rc5 42. h4 Rxa5 43. Rxc3 Kxb6
                               44. Kf3H Ka7H {HT}
 942888060 20:18.0  -0.17 18.  40...c3 41. Kg2 Rc5 42. h4 Rxa5 43. Rxc3 Kxb6
                               44. Kf3 Ka7
1702301964 37:20.2  -0.15 19t  40...c3 41. Kg2 Rc5 42. h4 Rxa5 43. Rxc3 Kxb6
                               44. Kf3 f6 45. Kf4 Ra1 46. Rg3 Rh1 47. Rxg7
                               Rxh4+ 48. Ke3 {0}
2280760324 49:34.0  -0.15 19.  40...c3 41. Kg2 Rc5 42. h4 Rxa5 43. Rxc3 Kxb6
                               44. Kf3 f6 45. Kf4 Ra1 46. Rg3 Rh1 47. Rxg7

Regards,
Dieter



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.