Author: Jorge Pichard
Date: 15:29:53 05/01/04
Go up one level in this thread
On May 01, 2004 at 18:14:18, Jorge Pichard wrote:
>On May 01, 2004 at 13:16:34, Rob Basham wrote:
>
>>[D]k1b5/Pp1p4/1P1Pp3/4Pp2/5Pp1/6P1/P6P/6K1 w - - 0 1
>>
>>This is a neat puzzle from
>>David Norwood's book...
>>"Chess Puzzles"...
>>
>>Let's See if any program ann. a mate....etc.
>
>I don't think that you can mate in 22, but according to my calculation it is
>mate in 28
Sometimes a shootout is better than analysis since Shredder 8 nor fritz 8 found
mate after 45 minutes but it did when i let shredder8 vs shredder 8 in a
Shootout.
I didn't calculated anything at all, I simply let Shredder 8 play against itself
in Blitz 20 minutes using a mere Athlon 1200 Ghz.
[Event "Shootout (Shredder8, Blitz:20'") "]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "1-0"]
[SetUp "1"]
[FEN "k1b5/Pp1p4/1P1Pp3/4Pp2/5Pp1/6P1/P6P/6K1 w - - 0 1"]
[PlyCount "55"]
1. h3 gxh3 {[%eval 0,7] [%emt 0:00:00]} 2. Kh1 {[%eval 88,28] [%emt 0:00:50]}
h2 {[%eval 88,7] [%emt 0:00:00]} 3. g4 {[%eval 180,32] [%emt 0:01:15]} fxg4 {
[%eval 180,7] [%emt 0:00:00]} 4. Kxh2 {[%eval 205,30] [%emt 0:00:51]} g3+ {
[%eval 205,7] [%emt 0:00:00]} 5. Kg1 {[%eval 130,30] [%emt 0:01:24]} g2 {
[%eval 97,7] [%emt 0:00:00]} 6. f5 {[%eval 196,30] [%emt 0:00:39]} exf5 {
[%eval 196,7] [%emt 0:00:00]} 7. a4 {(Kxg2) [%eval 32616,30] [%emt 0:00:50]} f4
{[%eval 48,7] [%emt 0:00:00]} 8. Kxg2 {[%eval 32617,30] [%emt 0:01:03]} f3+ {
[%eval 32618,7] [%emt 0:00:00]} 9. Kf1 {[%eval 32617,30] [%emt 0:00:36]} f2 {
[%eval 32618,7] [%emt 0:00:00]} 10. e6 {[%eval 32617,29] [%emt 0:00:18]} dxe6 {
[%eval 32618,7] [%emt 0:00:00]} 11. a5 {[%eval 32618,28] [%emt 0:01:03]} e5 {
(Bd7) [%eval 32617,23] [%emt 0:00:13]} 12. Kxf2 {
[%eval 32617,23] [%emt 0:00:14]} Be6 {(Bg4) [%eval 32618,20] [%emt 0:00:49]}
13. Ke3 {[%eval 32618,20] [%emt 0:00:36]} Bf5 {[%eval 32619,19] [%emt 0:00:52]}
14. Kf3 {[%eval 32617,21] [%emt 0:00:50]} Be4+ {[%eval 32617,23] [%emt 0:03:45]
} 15. Ke2 {[%eval 32620,23] [%emt 0:00:52]} Bc6 {
[%eval 32621,23] [%emt 0:01:17]} 16. Ke3 {[%eval 32620,22] [%emt 0:00:45]} e4 {
[%eval 32621,21] [%emt 0:00:37]} 17. Kf4 {[%eval 32617,19] [%emt 0:00:57]} e3 {
(Bb5) [%eval 32756,24] [%emt 0:04:23]} 18. Kxe3 {
[%eval 32756,21] [%emt 0:00:00]} Bb5 {(Bd7) [%eval 32757,21] [%emt 0:00:55]}
19. Ke4 {[%eval 32757,19] [%emt 0:00:00]} Ba4 {
(Be8) [%eval 32758,23] [%emt 0:00:41]} 20. Ke5 {[%eval 32758,17] [%emt 0:00:00]
} Bc6 {(Be8) [%eval 32759,20] [%emt 0:00:18]} 21. Ke6 {
[%eval 32759,15] [%emt 0:00:00]} Bb5 {(Be8) [%eval 32760,17] [%emt 0:00:25]}
22. Ke7 {[%eval 32760,13] [%emt 0:00:00]} Ba4 {
(Bc6) [%eval 32761,20] [%emt 0:00:13]} 23. Kd8 {[%eval 32761,11] [%emt 0:00:00]
} Bb5 {(Bd7) [%eval 32762,20] [%emt 0:00:13]} 24. Kc7 {
[%eval 32762,9] [%emt 0:00:00]} Bc6 {[%eval 32763,20] [%emt 0:00:36]} 25. a6 {
[%eval 32763,7] [%emt 0:00:00]} bxa6 {[%eval 32764,18] [%emt 0:00:14]} 26. d7 {
[%eval 32764,5] [%emt 0:00:00]} Bb7 {[%eval 32765,15] [%emt 0:00:08]} 27. d8=R+
{[%eval 32765,3] [%emt 0:00:00]} Bc8 {[%eval 32766,7] [%emt 0:00:00]} 28. Rxc8#
{[%eval 32766,1] [%emt 0:00:00]} 1-0
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