Author: Melvin S. Schwartz
Date: 22:11:53 07/02/99
Go up one level in this thread
On July 02, 1999 at 23:18:13, Terry Ripple wrote: >On July 02, 1999 at 19:38:58, Sarah Bird wrote: > >>On July 02, 1999 at 18:37:35, Steve Lopez wrote: >> >>>On July 02, 1999 at 18:23:41, Steve Lopez wrote: >>> >>>>On July 02, 1999 at 18:03:08, Melvin S. Schwartz wrote: >>>> >>>>>This is the Sicilian that Hiarcs 7.32 plays on my program. I re-installed the >>>>>program and it still plays this line that both of you say is not possible. I >>>>>suggest you open the tree, make the board small so you see the info, and check >>>>>it out! >>>>> >>>>>White: Schwartz >>>>> >>>>>Black: Hiarcs 7.32 >>>>> >>>>>1.e4...c5 2.Nf3...e6 3.d4...cxd4 4.Nxd4...Nf6 5.Nc3...Nc6 6.Nxc6...bxc6 >>>>>7.e5...Nd5 8.Ne4...f5 (here Hiarcs first choice is Qc7 which it should play; >>>>>however, f5 is listed as the other choice here. IMHO f5 should not be played at >>>>>all). 9.Nd6+ >>>>>...Bxd6 (and here the info screen says Bxd6 no highlighted in red) >>>> >>> >>>My apologies to all. If you *manually* make the move 9.Nxd6+ (a non-book move), >>>it *transposes* into another book line. Following that line of play out to the >>>end of book (14...0-0), we get to a position that's come up twice in my master >>>database: Byrne-Day, Buenos Aires ol, 1978 (1-0) and Sandor-Szelenyi, >>>Balatonalm, 1996 (0-1). >>> >>>I'll leave it to stronger players than myself to debate the relative merits of >>>this position, but various chess engines I've examined this with give the >>>position as equal or as a slight edge to White. >>> >>>Crow -- ummmm-ummmmm! Good eatin'! >>> >>>-- Steve Lopez >> >>I believe the point of the thread from the start is hiarcs poor opening book. >>Two positions were posted both with errors once figured out seems to me that >>both of the positions are playable. In this case the Sicilian after 10 exd6 >>seems to be reasonably playable to me. >>Sarah. >----------- >I played out the line as i posted above and i don`t see a problem and so i >second the motion Sarah The question of it being playable is interesting. Yes, it is playable; however, f5 was not the best move - Qc7 was the best move. All you have to do is look at the tree and see the weights assigned to f5 and Qc7. The difference is something like 80% to 18%. We are talking here about tournament book and tournament level and what is the best move. If you think f5 is better than Qc7, then you disagree with your program and me. By the way, do you have a rating? I know you analyze positions a lot, but do you play 40/2 against your program? Or 40/60? Do you play against your software programs? Regards, Mel >----- >Terry
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