Author: Vincent Diepeveen
Date: 11:39:35 01/17/00
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On January 17, 2000 at 14:32:28, Dann Corbit wrote: >I see that there are programs that can solve NOLOT #8. Ferret. >I also understand that that position was shown to be in error. No that's a big lie. >My question is, do the solutions find the original solution or the corrected >one? All diep versions so far didn't find the critical line. there is nothing 'corrected'. You need to see a deep line starting with: Bxh7+ Kxh7 Qh5+ Kg8 Rd4 gxf6 Rg4+ Bg7 Qh6 Kf8 Rxg7 etcetera. However AFTER your program sees this is big trouble, then it will select Bxh7 as best move and play: Bxh7+ Kxh7 Qh5+ Kg8 Rd4 bf3 , so giving back the piece directly. Bf3 is simply best move there, but you need to see the consequences of gxf6 before you play Bf3. So we see a difference between the objective best line, and what you need to see to play it. That's very common in positions where a threat is there. Vincent
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