Author: David Dahlem
Date: 13:39:30 06/15/04
Go up one level in this thread
On June 15, 2004 at 16:31:22, Dann Corbit wrote: >On June 15, 2004 at 16:01:50, David Dahlem wrote: > >>On June 15, 2004 at 15:56:27, Dann Corbit wrote: >> >>>On June 15, 2004 at 15:45:08, David Dahlem wrote: >>> >>>>On June 15, 2004 at 15:33:41, David Dahlem wrote: >>>> >>>>>One of the problems with the current method of testing engines with test suites >>>>>(e.g. WM-Test) is the problem of proving that the proposed solution move is >>>>>actually the best move, especially with positions of a positional nature. >>>>>Perhaps a new method would avoid this problem, namely a suite of mate positions, >>>>>with known, more easily proven solutions? Time to solution could be the criteria >>>>>by which engines are evaluated. >>>>> >>>>>Just an idea. Any thoughts? Would this work? >>>>> >>>>>Regards >>>>>Dave >>>> >>>>This method would also avoid the problem of engines finding the solution for the >>>>wrong reason. :-) >>> >>>The engine that performs best at these problems will be an engine like Chest, >>>which cannot play chess but can solve mates. >>> >>>When the game is in doubt, is when almost all of the moves are played. If we >>>tune for the very end, the engines will play well in that phase. But it is a >>>tiny fraction of the game. >>> >>>There are many checkmate test suites. >>>BWTC springs to mind, as an example. >> >>Not all checkmate problems are from endgames, many checkmates occur in the >>middle game, even in openings. :-) > >The ones that occur in the openings are only going to happen to the weakest >players. But they might make an interesting suite anyway. > Yes, i agree, but that doesn't mean the solutions are necessarily easy to find. >I was a bit surprised to see that there are 5363 certain mates within the first >5 plies of the game of chess (ignoring transpositions). >ftp://cap.connx.com/pub/chess-engines/new-approach/qmates.epd That is surprising, thanks for the info and for the link. The file has already been downloaded. Regards Dave
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.