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Subject: Re: Why Shredder 8 found Mate in 28, then it only took 26 moves ?

Author: Jorge Pichard

Date: 09:09:33 05/02/04

Go up one level in this thread


On May 02, 2004 at 11:38:57, Martin Baumung wrote:

>Hi Jorge,
>
>I'm afraid it's only a mate in 27. If black plays 11. ..e6e5 instead of 11.
>..Bc8d7 white will require 16 more moves to mate black.
>
>Cheers,
>
>Martin
>

What I don't understand is howcome Shredder 8 took 28 moves under 20 minutes
shootout but is only took 26 moves using Blitz 40'+3 ?

>[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




>On May 02, 2004 at 09:13:21, Jorge Pichard wrote:
>
>>I see mate in 26. You are correct it is mate in 26
>>
>>
>>[Event "Shootout (Shredder8, Blitz:40'+3") "]
>>[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 "51"]
>>
>>1. h3 {[%eval 91,33] [%emt 0:01:41]} gxh3 {[%eval 85,7] [%emt 0:00:00]} 2. Kh1
>>{[%eval 90,31] [%emt 0:01:32]} h2 {[%eval 90,7] [%emt 0:00:00]} 3. g4 {
>>[%eval 190,32] [%emt 0:00:20]} fxg4 {[%eval 88,7] [%emt 0:00:00]} 4. Kxh2 {
>>(a4) [%eval 190,31] [%emt 0:01:58]} g3+ {[%eval 0,7] [%emt 0:00:00]} 5. Kg1 {
>>(Kh1) [%eval 244,32] [%emt 0:01:54]} g2 {[%eval 244,7] [%emt 0:00:00]} 6. f5 {
>>[%eval 1093,31] [%emt 0:00:52]} exf5 {[%eval 1093,7] [%emt 0:00:00]} 7. Kxg2 {
>>[%eval 32616,30] [%emt 0:01:17]} f4 {[%eval 32617,7] [%emt 0:00:00]} 8. a4 {
>>[%eval 32617,30] [%emt 0:01:29]} f3+ {[%eval 32618,7] [%emt 0:00:00]} 9. Kf1 {
>>[%eval 32617,30] [%emt 0:00:52]} f2 {[%eval 32618,7] [%emt 0:00:00]} 10. e6 {
>>[%eval 32617,29] [%emt 0:01:08]} dxe6 {[%eval 32618,7] [%emt 0:00:00]} 11. Kxf2
>>{[%eval 32617,28] [%emt 0:01:44]} Bd7 {(e5) [%eval 32617,28] [%emt 0:00:46]}
>>12. a5 {[%eval 32617,27] [%emt 0:01:59]} e5 {
>>(Bc6) [%eval 32617,24] [%emt 0:03:29]} 13. Kf3 {[%eval 32617,21] [%emt 0:00:57]
>>} Bc6+ {(Bf5) [%eval 32754,20] [%emt 0:01:48]} 14. Ke3 {
>>[%eval 32754,21] [%emt 0:00:51]} e4 {[%eval 32755,27] [%emt 0:08:40]} 15. Kf4 {
>>[%eval 32755,23] [%emt 0:00:00]} e3 {[%eval 32756,24] [%emt 0:02:31]} 16. Kxe3
>>{[%eval 32756,21] [%emt 0:00:00]} Bd7 {(Bb5) [%eval 32757,23] [%emt 0:01:50]}
>>17. Kf4 {[%eval 32757,19] [%emt 0:00:00]} Bf5 {
>>(Be8) [%eval 32758,23] [%emt 0:00:51]} 18. Kg5 {[%eval 32758,17] [%emt 0:00:00]
>>} Bg4 {(Bd7) [%eval 32759,22] [%emt 0:01:06]} 19. Kf6 {
>>[%eval 32759,15] [%emt 0:00:00]} Be6 {(Bf5) [%eval 32760,21] [%emt 0:00:50]}
>>20. Ke7 {[%eval 32760,13] [%emt 0:00:00]} Bd7 {
>>(Bc8) [%eval 32761,22] [%emt 0:01:02]} 21. Kd8 {[%eval 32761,11] [%emt 0:00:00]
>>} Bf5 {(Bb5) [%eval 32762,20] [%emt 0:00:18]} 22. Kc7 {
>>[%eval 32762,9] [%emt 0:00:00]} Bc8 {[%eval 32763,19] [%emt 0:00:33]} 23. a6 {
>>[%eval 32763,7] [%emt 0:00:00]} bxa6 {[%eval 32764,18] [%emt 0:01:03]} 24. d7 {
>>[%eval 32764,5] [%emt 0:00:00]} Bb7 {(Bxd7) [%eval 32765,16] [%emt 0:00:16]}
>>25. d8=R+ {[%eval 32765,3] [%emt 0:00:00]} Bc8 {[%eval 32766,7] [%emt 0:00:00]}
>>26. Rxc8# {[%eval 32766,1] [%emt 0:00:00]} 1-0





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