Author: Terry McCracken
Date: 18:14:12 10/15/01
Go up one level in this thread
On October 15, 2001 at 20:59:58, leonid wrote: >On October 15, 2001 at 16:57:54, Terry McCracken wrote: > >>On October 15, 2001 at 12:22:58, leonid wrote: >> >>>On October 14, 2001 at 22:55:30, Terry McCracken wrote: >>> >>>>On October 14, 2001 at 22:44:57, leonid wrote: >>>> >>>>>On October 14, 2001 at 19:31:31, Terry McCracken wrote: >>>>> >>>>>>On October 14, 2001 at 11:28:53, Terry McCracken wrote: >>>>>> >>>>>>>On October 13, 2001 at 23:48:51, Miguel A. Ballicora wrote: >>>>>>> >>>>>>>>This is WCSAC 738: >>>>>>>>[D]r1b2r2/3pNpkp/3pn1p1/2pN3P/2PnP3/q3QP2/4BKP1/1R5R w - - bm Qh6+; >>>>>>>> >>>>>>>>Der Bringer with "two best options" in analyzing mode finds >>>>>>>>after 10 plies that Qh6+ is Mate in 11. Funny is that the uninteresting >>>>>>>>move Qd2 is also mate in 11!! Unbelievable what computers can find. >>>>>>>>Another cook and another position from WCSAC eliminated. >>>>>>>> >>>>>>>>Regards, >>>>>>>>Miguel >>>>>>> >>>>>>>The position is missing a couple of pawns, one crucial! >>>>>>> >>>>>>>[D]r1b2r2/1p1pNpkp/3pn1p1/2pN3P/2PnP3/q3QP2/p3BKP1/1R5R w - - bm Qh6+; >>>>>>> >>>>>>> >>>>>>>So the answer is *only* Qh6+!! >>>>>>> >>>>>>>Terry >>>>> >>>>>Pretty good position! Was not able to see by myself which move must lead to >>>>>mate. Program see much better. >>>>> >>>>>Celeron 600Mhz. No hash. LLchess. Selective search find mate in 11 moves, in >>>>>0.055 sec. E3-H6. >>>>> >>>>>Leonid. >>>> >>>>I first saw this position in 1989, I solved it as an excercise in mating >>>>attacks. >>> >>>I am not that sure that I could see the leading move even after few minutes. Not >>>all the time those "easy moves" is very easy to find. I expected more some >>>mistake in a second position that real mate. >>> >>>>I don't remeber my time, but Qh6+!! was my first inclination, then I worked >>>>it out in a matter of several minutes. >>>> >>>>I then gave it to my Mach III Master in Jan. 1990, it took it 2 min. 45 seconds >>>>if I'm not mistaken. >>> >>>What is the Mach III Master? Some kind of stand alone electronic chess game? >>>If it is what I think, the last time when I had something similar was around 13 >>>years ago. Then it was Radio Shack made gadget. >>> >>> >>>>Better time than me!;-) >>> >>>Try to put from time to time here some position from real life, like the last >>>forced mate. It is fun to solve them. >>> >>>Leonid. >>> >>>>Terry >> >>Yes it was a stand alone unit, made by Fidelity Electronics. Dan Spracklen was >>the Key programmer. >> >>This was the last programme he made for Fidelity Electronics, the Mach IV Master >>was the same programme just on faster hardware, a Motorola 68200 32bit at 20 >>Mgh. while the Mach III was running on a 68000 16bit at 16 Mgh., as Hegner & >>Glasser (Mephisto) bought them out in the fall of '89. >>Another thing many might not know was the Mach III programme was written in 8bit >>code and adapted to 16:) Those were the days! >> >>I should look at some of my old games I use to play with this machine and my old >>Novag Super Forte "C" running on a 6502 8bit at 6 Mgh. (Boy that's Slow!) and >>see if I can dig up some old mating attacks, some which were long. > >I have the impression that my first electonic chess game was some kind of Novag >that I bought in 1982. It was very weak but very interesting as something >completely new. > >My first chess program was Chess Master in 1986. This program was exceptionnally >buggy but already very affordable. > I first tinkered around with an old syi-scy (sp)? machine from '81 now Saiteck, and the Chess Challenger 9, niether were that strong but they were fun to beat/crush!:) Funny on an Amiga 1000 I played the original Chessmaster 2000 as well! Although in 1984-86 I played Sargon III. CM2000 was by Kittinger of Novag and Sargon III, Spracklen of Fidelity. Too many memories....I might cry!;^) >Leonid. > >>I was better I think in those days!;-) >> >>Terry
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