Author: Heiko Mikala
Date: 12:46:58 11/18/99
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Hi Mark! On November 18, 1999 at 02:40:45, Mark Andreoli wrote: > Thanks for everything and I would like to give you that game and ask one >favor!? I think you will find it an "incredible " attacking game the kind you >like!I played it in an an active 30' > In essence I get to the critical position where I sacrifice a rook ! Fritz >says I am -2.00! Then I go on to win with an icredible attack! > "Wait a minute" ?????you say!!! have you run F5 vs. F5 from the "critical >position?" Yes I have an my sacrificial idea of a rook works! F5 ,using my move >in all time controls of 40 moves @ 2:30 to 7:00, beat the opposing F5 (my real >opponent). > > Then another strange thing happens when I ran an analysis going from the end of >the game to the beginning (using anywhere from .1-.5 pawns and 60 seconds to >800 seconds) > > FRITZ 5 PASSES OVER MY MOVE WHERE I TURN THE TIDE AND START WINNING WITHOUT >ANY VARIATIONS OR COMMENTS. HOWEVER AS IT GOES TOWARDS THE BEGINNING WHEN IT >GETS TO MY ROOK SACRIFICE again IT ALWAYS ASSIGNS ME A - 2.00 . > BUT REMEMBER WHAT I SAID ABOVE ! IT BEATS ITSELF ON ENGINE VS. ENGINE >EVERTIME USING THIS SACRIFICE OF MY ROOK. INOTHER WORDS IT'S ANALYSIS SAYS THE >COMPLETE OPPOSITE WHEN COMPARING IT TO ENGINE VS. ENGINE RESULTS!The analysis >has me losing but F5 vs F5 has me winning?? > > WOULD YOU LIKE TO SEE THE GAME please :-)! signed "What is really going on >here? Did I put Fritzy in a Frenzy??? Thanks This sounds like a good candidate for Hiarcs 7.32 analysis, because Hiarcs doesn't clear it's hashtables, when analysing backwards. So it may remember the consequences of the moves when it reaches the position you're interested in. Nimzo 7.32 might be good too, because of it's position learning, but I haven't tried that yet. Fritz 6 could be good too, because it's said to keep it's hashtable entries too now. Send me the game via email, if you want, I could try Hiarcs or one of the others on it. Please tell me, which of Fritz analysing methods and which settings you used, so that I can repeat the test. It may take some days until I find the time to do it, though. I'm having a lot of other things to do at the moment, unfortunately :( Greetings, Heiko.
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