Computer Chess Club Archives


Search

Terms

Messages

Subject: Looks like a draw

Author: Jim Monaghan

Date: 13:24:01 12/25/01

Go up one level in this thread


On December 25, 2001 at 05:38:05, Dieter Buerssner wrote:

>On December 24, 2001 at 10:21:17, Jim Monaghan wrote:

>But much earlier, after 7. h5:
>
>[D] 5k2/6p1/5pKp/2R2P1P/1pP5/7r/5P2/8 b - - 0 7
>
>I get:
>
>    467410   4.195  -0.77 10t  7...Rh4 8. f3 Rh3 9. Rc8+ Ke7 10. Rc7+ Kd6 11.
>                               Rxg7 Rxf3 12. Kxf6 b3 13. Kg6 Kc5 14. Kxh6 Rxf5
>                               {-80}
>    576709   5.037  -0.76 10t+ 7...b3 8. Rc8+ Ke7 9. Rc7+ Kd6 10. Rxg7 Kc6 11.
>                               Kxh6 Rh1 12. Rg8 b2 13. Kg6 b1=Q 14. h6 {761}
>    666979   5.748  -0.74 10t  7...b3 8. Rc8+ Ke7 9. Rc7+ Kd6 10. Rxg7 Kc6 11.
>                               Rg8H Kc7H 12. Kxf6H b2H 13. Rg1H b1=QH 14.
>                               Rxb1H Kc8H {HT}
>    778543   6.601  -0.74 10.  7...b3 8. Rc8+ Ke7 9. Rc7+ Kd6 10. Rxg7 Kc6 11.
>                               Rg8 Kc7 12. Kxf6 b2 13. Rg1 b1=Q 14. Rxb1 Kc8
>   1065597   8.652  -0.57 11t  7...b3 8. Rc8+ Ke7 9. Rc7+ Kd6 10. Rxg7 Kc6 11.
>                               Rg8 Kc7 12. Re8 Rc3 13. Kxh6 b2 14. Re1 Rxc4H
>                               15. Rb1H Rc2H {-80}
>   1584483  12.855  -0.56 11t+ 7...Rh1 8. Rc8+ Ke7 9. Rc7+ Kd6 10. Rxg7 Kc6
>                               11. Rf7 b3 12. Rxf6+ Kc5 13. Kxh6 b2 14. Kh7
>                               b1=Q 15. h6 {681}
>   1607290  13.042  -0.56 11t  7...Rh1 8. Rc8+ Ke7 9. Rc7+H Kd6H 10. Rxg7H
>                               Kc6H 11. Re7H b3H 12. Re2H Kc5H 13. Kxh6H Kxc4H
>                               14. Rb2H Rh3H {-80}
>   1626078  13.210  -0.56 11.  7...Rh1 8. Rc8+ Ke7 9. Rc7+ Kd6 10. Rxg7 Kc6
>                               11. Re7 b3 12. Re2 Kc5 13. Kxh6 Kxc4 14. Rb2
>                               Rh3 {-80}
>   2248307  17.740  -0.56 12t  7...Rh1 8. Rc8+ Ke7 9. Rc7+ Kd6 10. Rxg7 Kc6
>                               11. Re7 b3 12. Re2 Kc5 13. Kxh6 Kxc4 14. Kg6
>                               Kd3 15. Rb2 {-80}
>   3057215  23.925  -0.56 12.  7...Rh1 8. Rc8+ Ke7 9. Rc7+ Kd6 10. Rxg7 Kc6
>                               11. Re7 b3 12. Re2 Kc5 13. Kxh6 Kxc4 14. Kg6
>                               Kd3 15. Rb2 {-80}
>   3967977  30.771  -0.62 13t  7...Rh1 8. Rc8+ Ke7 9. Rc7+ Kd6 10. Rxg7 Kc6
>                               11. Re7 b3 12. Re2 Kc5 13. Kxh6 Rg1 14. Rb2
>                               Kxc4 15. f4 Rh1 {-80}
>   5109670  39.765  -0.62 13.  7...Rh1 8. Rc8+ Ke7 9. Rc7+ Kd6 10. Rxg7 Kc6
>                               11. Re7 b3 12. Re2 Kc5 13. Kxh6 Rg1 14. Rb2
>                               Kxc4 15. f4 Rh1 {-80}
>   8605144  1:07.3  -0.25 14t  7...Rh1 8. Rc8+ Ke7 9. Rc7+ Kd6 10. Rxg7 Kc6
>                               11. Re7 b3 12. Re2 Kc5 13. Kxh6 Kxc4 14. Kg6
>                               Kc3 15. Re3+ Kc2 16. Re7 b2 17. Rc7+ Kd3H {HT}
>                               {-80}
>   9598948  1:15.3  -0.25 14.  7...Rh1 8. Rc8+ Ke7 9. Rc7+ Kd6 10. Rxg7 Kc6
>                               11. Re7 b3 12. Re2 Kc5 13. Kxh6 Kxc4 14. Kg6
>                               Kc3 15. Re3+ Kc2 16. Re7 b2 17. Rc7+ Kd3 {-80}
>  20056638  2:37.8  -0.11 15t  7...Rh1 8. Rd5 Rg1+ 9. Kh7 Rg4H 10. c5H Rc4H
>                               11. c6H Rxc6H 12. Rd7H b3H 13. Rxg7H b2H 14.
>                               Rg8+H {HT} {0}
>  21273683  2:47.5  -0.11 15.  7...Rh1 8. Rd5 Rg1+ 9. Kh7 Rg4 10. c5 Rc4 11.
>                               c6 Rxc6 12. Rd7 b3 13. Rxg7 b2 14. Rg8+ {HT} {0}
>  35224173  4:39.6  -0.09 16t  7...Rh1 8. Rc8+ Ke7 9. Rb8 Rg1+H 10. Kh7H Rg5H
>                               11. Rb7+H Kd6H 12. Rb5H b3H 13. Rb6+H Kc5H 14.
>  38451376  5:04.9  -0.09 16.  7...Rh1 8. Rc8+ Ke7 9. Rb8 Rg1+ 10. Kh7 Rg5 11.
>                               Rb7+ Kd6 12. Rb5 b3 13. Rb6+ Kc5 14. Rxf6
>
>And again, (you guessed it :-) after some moves I get draw score.
>
>Cheers,
>Dieter

Hi Dieter,

Crafty 18.12

(+0.29)  1. ... Rh4 2. f3 Rh2 3. Rc8+ Ke7 4. Rb8 Rg2+ 5. Kh7 Rg5 6. Rxb4 Rxh5 7.
Kxg7 Rxf5 8. Kxh6 Rxf3
(+0.29)  1. ... Rh4 2. f3 Rh2 3. Rc8+ Ke7 4. Rb8 Rg2+ 5. Kh7 Rg5 6. Rxb4 Rxh5 7.
Kxg7 Rxf5 8. Kxh6 Rxf3
(+0.29)  1. ... Rh4 2. f3 Rh2 3. Rc8+ Ke7 4. Rb8 Rg2+ 5. Kh7 Rg5 6. Rxb4 Rxh5 7.
Kxg7 Rxf5 8. Kxh6 Rxf3
(+0.42)  1. ... Rh4 2. Rc8+ Ke7 3. Rb8 Rxc4 4. Kxg7 Rd4 5. Kxh6 Rh4 6. Rb7+ Kd6
7. Kg6 Ke5
(+0.42)  1. ... Rh4 2. Rc8+ Ke7 3. Rb8 Rxc4 4. Kxg7 Rd4 5. Kxh6 Rh4 6. Rb7+ Kd6
7. Kg6 Ke5
(+0.29)  1. ... Rh4 2. f3 Rh3 3. Rc8+ Ke7 4. Rb8 Rg3+ 5. Kh7 Rg5 6. Rxb4 Rxh5 7.
Kxg7 Rxf5 8. Kxh6 <HT>
(+0.29)  1. ... Rh4 2. f3 Rh3 3. Rc8+ Ke7 4. Rb8 Rg3+ 5. Kh7 Rg5 6. Rxb4 Rxh5 7.
Kxg7 Rxf5 8. Kxh6 <HT>
(+0.60)  1. ... Rh4 2. f3 Rh3 3. Rc8+ Ke7 4. Rb8 Rg3+ 5. Kh7 Rg5 6. Rxb4 Rxh5 7.
Kxg7 Rxf5 8. Kxh6 Rxf3 9. c5
(+0.60)  1. ... Rh4 2. f3 Rh3 3. Rc8+ Ke7 4. Rb8 Rg3+ 5. Kh7 Rg5 6. Rxb4 Rxh5 7.
Kxg7 Rxf5 8. Kxh6 Rxf3 9. c5
(+0.51)  1. ... Rh4 2. f3 Rh3 3. Rc8+ Ke7 4. Rb8 Rg3+ 5. Kh7 Rg5 6. Rxb4 Rxh5 7.
Rb7+ Kd6 8. Rxg7 Rxf5 9. Kxh6 Rxf3 10. Rf7
(+0.51)  1. ... Rh4 2. f3 Rh3 3. Rc8+ Ke7 4. Rb8 Rg3+ 5. Kh7 Rg5 6. Rxb4 Rxh5 7.
Rb7+ Kd6 8. Rxg7 Rxf5 9. Kxh6 Rxf3 10. Rf7
(+0.60)  1. ... Rh4 2. f3 Rh3 3. Rc8+ Ke7 4. Rb8 Rg3+ 5. Kh7 Rg5 6. Rxb4 Rxh5 7.
Rb7+ Kd6 8. Kxg7 Rxf5 9. Rb6+ Ke7 10. Kxh6 Rxf3 11. c5
(+0.48)  1. ... Rh2 2. Rc8+ Ke7 3. Rb8 Rg2+ 4. Kh7 Rg5 5. Rb7+ Kd6 6. Rb5 b3 7.
f3 b2 8. Rxb2 Ke5 9. Rb5+ Kd4 10. f4 Rxh5 11. Kxg7 Kxc4
(+0.48)  1. ... Rh2 2. Rc8+ Ke7 3. Rb8 Rg2+ 4. Kh7 Rg5 5. Rb7+ Kd6 6. Rb5 b3 7.
f3 b2 8. Rxb2 Ke5 9. Rb5+ Kd4 10. f4 Rxh5 11. Kxg7 Kxc4
(+0.50)  1. ... Rh2 2. Rc8+ Ke7 3. Rb8 Rg2+ 4. Kh7 Rg5 5. Rb7+ Kd6 6. Rxb4 Rxh5
7. f4 Rxf5 8. Kg6 Ra5 9. Kxg7 f5 10. Kxh6 Kc5 11. Rb5+ Rxb5 12. cxb5 Kxb5
(+0.50)  1. ... Rh2 2. Rc8+ Ke7 3. Rb8 Rg2+ 4. Kh7 Rg5 5. Rb7+ Kd6 6. Rxb4 Rxh5
7. f4 Rxf5 8. Kg6 Ra5 9. Kxg7 f5 10. Kxh6 Kc5 11. Rb5+ Rxb5 12. cxb5 Kxb5

Yes, I guess it looks like a draw. I played around with the position for awhile
but couldn't find any improvements. In one line I had White with 4 isolated
pawns vs the black rook ending in a draw. Perhaps another example of computers
disproving game annotations. I wonder what Capa would have done? It looks like
Kostics self-destructed defending against an imaginary threat (penetration of
the WK to g6).

Cheers,
Jim





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.