Author: Uri Blass
Date: 02:51:31 07/20/04
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On July 20, 2004 at 05:36:08, Uri Blass wrote: >On July 20, 2004 at 04:54:30, martin fierz wrote: > >>On July 20, 2004 at 02:44:33, Roy Brunjes wrote: >> >>>Earlier I posted about this position with the question "Is the exchange >>>sacrifice 13. ... Rxf4!? sound?" >>> >>>[D] r1b3k1/pp2n1b1/1qn1prpp/2pp4/5B1P/2PP1NP1/PPQ2PB1/RN3RK1 b - - 0 13 >>> >>>Some readers thought it should be, others were not so convinced they would play >>>it themselves in a game (not necessarily a vote for or against the soundness, >>>just that they might not play that move themselves in a game). >> >>just for the record, the strong players liked it very much, while the weak >>players doubted it's soundness... >> >>cheers >> martin > >As far as I see movei of today has no chance to find it. >It can see enough compensation but it evaluates alternatives as better for black >and even after Rxf4 exf4 Bd7 it can see only +0.27 for black at depth 15 when >the score before Rxf4 was near +0.4 for black. And now at depth 15 it changes it's mind from Re1 to Nbd2 with only +0.24 for black. I did not see other programs play Nbd2 in the posted games so maybe Nbd2 is a better try to defend white's position. Main line starts Nbd2 Rf8 Rae1 Qc7 Uri Uri Uri
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