Author: Mark Andreoli
Date: 05:14:14 11/23/99
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Hello Gentlemen; This is a letter I posted to Heiko Mikala the other day!! It is exactly what you're talking about! I'm not sure I can trust analysis anymore From Fritz 5 (see below) especially after it beats itself using my move in the critical position! It contradicts itself-see below comments will be greatly appreciated!!! > > Thanks so much for your expertise! anyways here goes with my > comments! > > 1.e4 d6 2.d4 g6 3.f4 Bg7 4.Nf3 Nd7 5.Bd3 c5 6.c3 Ngf6 7.e5 > Nd5 > > 8.OO cxd4 9.cxd4 dxe5 10.fxe5 OO 11.Qe1 Qb6 12.Kh1 Nb4 > > Ok here I was in my over the board game. I could chicken out and > play Qe2 or go for the gold (or try anyways) with : > > 13. Bc4 !? (here F5 gives me a -2.00 afterall I am losing a rook) > Nc2 > > 14. Qh4 h5 ( my opponent wants to prevent Bh6,Ng5 etc./He can > always take the rook) 15. Nc3 Qb4 !? 16. Bd3 Nxa1 17. Nd5 Qa4 > 18.Nxe7+ Kh8 19.Nxg6+ fxg6 20.Bxg6 Kg8 21. Qxh5 Rd8 22. Bh7+ Kf8 > 23. Ng5+ Nf6 24. Qf7 mate... > > > Ok, If you let engine play against engine (F5 vs F5) from the > critical point in the game 13. Bc4 , Fritz 5 goes on to win against itself > using my move with time controls of 40 moves @ 3 hours, 4 hours, or even > 7.5 hours everytime!!! > > It starts playing a little different (try it) on move 21.....Rf4 > 22.Bxf4 (I guess F5 plays Rf4 because he "sees the handwriting on the wall" > mate is inevitable! (but not a very human like move)) > > F5 also plays 15....Qb4 (but his advantage starts dissipating > little by little in the F5 vs. F5 engine analysis displayed next to each > move).I also played F5 vs F5 using the move 15....e6 to keep the knight out > of d5 and "you guessed it" white goes onto win again with all slow time > controls! > > Then I "click" on coach and "click" on the analysis mode.I have F5 > start analyzing my game from the last move to the beginning of the game. > > A funny thing happens even at settings of .1 to.5 pawns/60 seconds > to 800 seconds, IT DOES NOT GIVE ANY COMMENTS OR VARIATIONS TO HELP OUT > BLACK (OR WHITE) IN THE TEXT FROM MOVE 21 going backwards to MOVE 15. ??? > what's going on? As white starts to win it should be complete with > variations and comments? > > This seems very strange because it will always assign around a -2.00 > for my 13th move Bc4 however when playing against itself at slow time > controls it goes on to win with my move! > You would think it would at least give a few variations for > white/black when "I start turning the tide " in whites favor. BUT IT > DOESN'T. So in essence it is saying that my move 13.Bc4 is a blunder (but it > is not because F5 beats F5 using my move) and it doesn't do any analysis > going backwards for either side moves 21-15. > > So here you have it. Fritz 5 is contradicting itself! My 13th move > is bad for F5 in all types of analysis but even F5 wins with it? (but why > doesn't it give any comments in the analysis either going from move 21 to > 15?? ) > > This is the first time Fritzie has let me down... I would really > like to get to the bottom of this ? Maybe Hiarcs,Mchesspro, will analyze my > game move 21 to 15 better than Fritzie? That seems hard to believe. Thanks > so much and let me know what you come up with ! Maybe my friend Fritz has > been put in "TILT" :?) > >
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