Author: Helmut Conrady
Date: 13:40:46 06/04/02
Go up one level in this thread
On June 04, 2002 at 16:09:23, Robert Hyatt wrote: >On June 04, 2002 at 14:25:51, Helmut Conrady wrote: > >>On June 04, 2002 at 12:56:05, Robert Hyatt wrote: >> >>>On June 04, 2002 at 08:43:27, Helmut Conrady wrote: >>> >>>>On June 03, 2002 at 20:02:51, GuyHaworth wrote: >>>> >>>>> >>>>>At http://www.chessbase.com/newsdetail.asp?newsid=339 >>>>> >>>>>there is a report that in the 7th Round of the 2nd CSVN Computer chess >>>>>tournament (Leiden), 'mate in 64' was announced against Morphy. >>>>> >>>>>The question was also asked: "is this a record?" to which we might add.... >>>>> >>>>>a) in tournaments, and/or >>>>>b) in all computer-computer games >>>>> >>>>>Examples of deeper forced win announcements welcome. I believe KNNKP has >>>>>occured ... and maybe KQPKQ has occured. >>>>> >>>>>g >>>> >>>>The longest mate in a human otb-play I know arose in Landau-Abrahams, >>>>Bournemouth 1939, with a # in 142 in this position: >>>> >>>>[D]6k1/5R2/K7/1n1nN3/8/8/8/8 b - - 0 78 >>>> >>>>Helmut >>> >>> >>>I think he was looking for "the longest _announced_ mate"... >> >>Of course. But I thought this would be interesting, too... >>> >>>I can't imagine any human saying "mate in 142" whether in a game, in >>>analysis, or whatever... >> >> >>BTW: The longest COMPOSED problem is a mate in 271!! >> >>Helmut > > >I remember one such position. Where the king had to walk across the board, >force the opponent to move a pawn, then back across the board to eat it, then >back again. [D]8/Bk3p1p/1P3p2/KP2n2p/1P1p4/1Pp2p2/B1P5/7B w - - 0 1 Petrovic 1969 Helmut Not too hard for a human to see that. Probably impossible for >the computer. > >But then again, I have also seen the computer announce a (non-EGTB) mate >in 20 moves almost instantly, that no human could see given reasonable time. >Much less 1 second.
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.