Author: leonid
Date: 16:42:33 09/03/00
Go up one level in this thread
On September 03, 2000 at 15:50:44, Uri Blass wrote: >On September 02, 2000 at 17:08:20, leonid wrote: > >>Hello! >> >>Please solve these two positions and say minimum number of moves that lead to >>it. >> >> 1r2k2r/1b3pbp/1NPqN1n1/1P1Q4/1P2P3/P3B3/5PP1/R3KB1R White to go. > >Qxd6 mate in 6 >> >> 6KQ/3B2Q1/QQQQQQQ1/5Nbn/qqqqq1q1/5qqk/8/8 White to go. > >Qgxh5+ mate in 8. >> >>It will be good if you will indicate all main parameters of your trial. At >>least, I see them this way: >> >>Name of your program. Hash table size. > >Junior5.9(64 mbytes) >>In what way (if you know) position was solved. Selective search or brute force >>search. > >Selective search(Junior like other top program does not do brute force search. >>Time for each way of search. > >7 seconds for the first position. >55 seconds for the second position. >>CPU and its speed. > >P200MMX > > >Uri Excellent! Now I know even lesser number of moves that lead to mate in second position. The first I knew that it was in 6 moves since it was so close. Will see later if 8 moves for the last position are the short one. But even 8 moves verification for so heavy position could take some time. Leonid.
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