Author: Heiner Marxen
Date: 13:25:21 01/10/00
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On January 10, 2000 at 15:15:21, Dann Corbit wrote: >On January 09, 2000 at 19:48:35, Dann Corbit wrote: > >>I have chest buzzing away on them on a 500 MHz machine at work. Come Monday, >>we'll see if it solved them. My guess is, it will have (unless it got turned >>off or something). Already solved two of them with 8 hour spans or less. >72 hrs spent trying to find a 9 move mate for this position without solution on >a 500 MHz computer: I estimated 70-80 hours, so chances are not that bad that the solution comes out soon. Of course, estimates can be wrong. >r1bq1k1r/1p1pn1bp/3Q2p1/p5p1/2B5/4R3/PP3PPP/R5K1 w - - > >I think we can officially call this a "tough one." Well, for CHEST i.e., others have not such a hard time to find a solution. The hard part is to prove that there is no shorter solution. Unfortunately, the black material here can hardly act agressively (checks and captures), so the proof tree spans rather wide. Heiner
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