Author: Günther Simon
Date: 13:10:47 01/26/06
Go up one level in this thread
On January 26, 2006 at 15:45:57, chandler yergin wrote: >On January 26, 2006 at 13:59:45, Albert Silver wrote: > >>On January 26, 2006 at 13:54:32, chandler yergin wrote: >> >>>Well it's WRONG! >>>New game, >>>[D]B2k4/KPpP4/n1Pb4/P5p1/5p2/5P2/8/8 b - - 0 1 >>> >>>Analysis by Shredder 8: >>> >>>1. -+ (-1.81): 1...Nb8 2.Kxb8 Bc5 3.a6 g4 4.a7 Bd6 5.fxg4 >>>2. +- (#8): 1...Ke7 2.Kxa6 Kf6 3.d8Q+ Be7 4.Qh8+ Ke6 5.b8Q Bf6 6.Qb3+ Ke5 7.Qb2+ >>>Kd5 8.Qhxf6 g4 9.Qbd4# >>>3. +- (#7): 1...Bf8 2.Kxa6 Ke7 3.b8Q Kf7 4.d8Q Be7 5.Qg8+ Kf6 6.Qbb3 >>>4. +- (#7): 1...Bc5+ 2.Kxa6 Ke7 3.b8Q Kf6 4.d8Q+ Be7 5.Qh8+ Kf5 6.Qbc8+ Kg6 >>>7.Qhg8+ Kh5 8.Qh3# >>> >>>(, 26.01.2006) >> >>I'm a bit confused. You didn't even show Shredder finding the mate after Nb8. >>You only showed it was capable of finding the mate if Black played a weaker move >>than Nb8. How long does it take to see the mate after Black plays the more >>resilient Nb8? >> >> Albert > Hi Al, My old friend. >I been drinkin... I for get things, Sometimes I for get I forget things.. > >You should know I forget things... If ya can't remenber I forget things, > >Ya have a Sobriety Problem.. in which case I can recommend some good Irish >Whiskey... > >But to the point, yes, you are right. If White plays the 'Best move' >does Black hav a Win? > >I dunno.... > >Here is my Analysis.. or rather (Computer Analysis) > >I won't argue with that. O. K.? > >New game, >[D]B2k4/KPpP4/n1Pb4/P5p1/5p2/5P2/8/8 b - - 0 1 > >Analysis by Shredder 8: > >1...Nb8 2.Kxb8 Bc5 3.a6 g4 4.a7 Ke7 5.fxg4 f3 6.Kxc7 Bxa7 7.b8Q Bxb8+ 8.Kxb8 Kd8 >9.g5 f2 10.g6 f1Q 11.g7 Qb1+ 12.Ka7 Qg1+ 13.Kb7 Qxg7 >-+ (-5.41) Depth: 33/56 00:06:37 82845kN, tb=15015 >(, 26.01.2006) > >So, In your opinion, does this mean that Black does NOT have a Win in 20? > >It certainly means the (other guy) could not possible found a Win for Black >in 3 seconds) The 'other guy' was the author of AnMon, another classy program and it found the mate in 20 in 3 seconds on his machine. Shredder8 has a prob here, but it's not that important to solve mate in X riddles for chess playing programs. For such tasks there are special mate solvers. Guenther > >Well.. I need some Jose Cuervo! > >Post your analysis. O.K.? > >Thanks my friend, >Chan
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