Author: Uri Blass
Date: 11:36:07 11/09/05
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On November 09, 2005 at 13:03:43, Dann Corbit wrote: >Following up on an idea from Uri Blass about analyzing positions after the key >move has been made, I did another look at the hard positions posted recently. > >Given the following test set, which is taken from the vhard test set posted >yesterday AFTER the key move has been made, it appears that some of the problems >are (or may be) busted. Each problem should have a large and negative score >after deep analysis and yet some of them are clearly winning. The only position that you may consider as refuted is the position with Nf6+ and even this is not refuted if you look at the following post that explained the solution http://www.talkchess.com/forums/1/message.html?460352 solution is hard to find for chess programs and top chess programs simply prune so much that they cannot find the idea even after the correct move. It is easy to use yace for retrogrede analysis of the relevant position to show that white is winning. Uri
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