Author: Sune Fischer
Date: 01:54:15 07/05/02
Go up one level in this thread
On July 05, 2002 at 03:26:10, Uri Blass wrote: >On July 04, 2002 at 10:27:05, Sune Fischer wrote: > >>On July 04, 2002 at 07:52:10, Geo Disher wrote: >> >> >>> >>>New position >>>r3rb2/p1p2p1k/5P2/1p6/6Q1/q2p4/6NP/5R1K w - - 0 1 >>> >>>Analysis by Fritz 6: >>.... >>>1.Qf5+ Kg8 2.Qg5+ Kh7 3.Qf5+ >>> = (0.00) Depth: 20/52 02:03:57 10943059kN >>>1.Qf5+ Kg8 2.Qg5+ Kh7 3.Qf5+ >>> = (0.00) Depth: 21/53 05:45:03 30486830kN >>> >>>Sure this is a mate in 14? >> >>The draw score is expected because Black has huge >>material advantage, so white is quite happy with the >>draw (perpetual check i suspect). >> >>White needs to see the mate to know it has something >>better than a draw, and Fritz is not the best matesolver >>around, probably too much pruning of the quiet moves. >> >>-S. > >No >There is no forced mate. No? What do you mean, JM says its a mate in 8, that is always forced or it's just not a mate in 8 :) Fritz reaches "depth" 21 and doesn't see it, that doesn't have to be a bug because the 21 plies are not fullwidth. >Humans can often see mate when there is no mate because they have imagination. >computers have no imagination so they usually cannot see mates when there is no >mate. >The only exception is when the program has a bug but usually the bugs of >computers are not the same as the bugs of humans. > >Uri I don't understand your point. Both humans and computers try and do the best move they can, and if you are down in material, usually a repetition is good, of course mate is even better but you have to see it through to the end, computers will never gamble to find a mate. -S.
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