Author: Peter Kappler
Date: 22:41:35 08/14/00
Go up one level in this thread
On August 14, 2000 at 19:07:41, Peter Kappler wrote: >On August 14, 2000 at 18:51:26, Wayne Lowrance wrote: > >>On August 14, 2000 at 18:23:36, Michael Fuhrmann wrote: >> >>>On August 14, 2000 at 18:02:13, Robert Hyatt wrote: >>> >>>>On August 14, 2000 at 17:15:03, Bruce Moreland wrote: >>>> >>>>>On August 14, 2000 at 13:55:30, Robert Hyatt wrote: >>>>> >>>>>>On August 14, 2000 at 00:25:54, Ed Schröder wrote: >>>>>> >>>>>>>On August 13, 2000 at 23:04:06, robert blackwell wrote: >>>>>>> >>>>>>>>People should check out a position more carefully before claiming a move is bad. >>>>>>>>bxa2 in the position given in the earlier post is the right move and it is the >>>>>>>>move nd5 which loses as it breaks the pin on the d file preventing bxb3! any >>>>>>> >>>>>>>1..Bxa2 2.b3 Nd5 and black holds the position. If this is what you >>>>>>>mean I am in agreement. >>>>>>> >>>>>>>Ed >>>>>> >>>>>> >>>>>>If by "holds" you mean doesn't lose material, then I agree. If you mean >>>>>>"maintains near-equality_ then I don't agree... >>>>> >>>>>Regardless of whether it is good or bad, I don't want to see my program play >>>>>Bxa2, since it is often a losing blunder, and even when it isn't, it looks like >>>>>a gross computer move. >>>>> >>>>>bruce >>>> >>>> >>>>Couldn't agree more. Except for those cases where the bishop takes and then >>>>escapes. It is ugly to see programs that some argue play at a strong GM level, >>>>play a move like Bxa2 that no beginner would play (may be ok in this position, >>>>although black seems to get into trouble). >>>> >>>>I used to cringe at such moves. >>> >>>This debate recalls (for me) a similar move Fischer played vs Spassky in the >>>world championship. (Think it was Bxa7, leading to a trapped bishop.) At the >>>time I remember the commentators being incredulous that Fischer played a moved >>>that no club player would play, etc. If I remember correctly, Fischer lost that >>>game badly. >> >>That is correct. I was just getting ready to make that very same comment just >>prior to looking at your thread. I remembered it well at thhe time and could not >>believe that he actually made it. >>Wayne > > >Fischer's move from that game is highly misunderstood. He fully realized that >the bishop would be trapped. He analyzed a very long, complicated line where he >could win 3 pawns for the bishop, and simply misjudged the resulting positions. > >GM Jon Speelman published an exhaustive analysis (~25 pages) of that endgame. >It is incredibly complicated, and just *barely* losing for Fischer. Oops. I just checked Speelman's book "Analyzing the Endgame" and after 20 pages of analysis, he concludes that Fischer's Bxh2 actually draws. --Peter
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