Author: Amir Ban
Date: 15:19:02 11/24/98
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On November 24, 1998 at 14:16:16, Ernst A. Heinz wrote: >"DarkThought" finished iteration #21 after 210 hours of computation and I >finally had to stop it there. Qb6 remained the best move and the PV took about >156 hours and exactly 120,180,459,947 nodes to resolve (3x more than the PV of >the previous iteration). The expected best reply switched back to Rd8 and the >score sank to a new low of +1.13. > >21.01 Qb6 Rd8 Be4 a5 axb5 axb4 Rxa8 Rxa8 Ra6 Rd8 ... (1.13) #120180459947 > >=Ernst= Hey ! You are back on the "drawing" line and you have a novelty ! Dark Thought now wants to decline the bishop sacrifice and play Ra6 (rather than Rxa8 Qxa8 Qxd6 Qa1+ etc.). We completely overlooked this possibility when we analyzed this line last year. It seems to hang on to a +1 or so advantage, with reasonable winning chances, I think. In view of this, I need to change the conclusion of the analysis, which was that 36.Qb6 Rd8 draws. Great effort, Ernst. Amir
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