Author: Andrew Walker
Date: 16:03:22 12/01/05
Go up one level in this thread
On December 01, 2005 at 16:14:16, enrico carrisco wrote: >On December 01, 2005 at 04:00:30, Mig Greengard wrote: > >>[D]3n3k/bp3pp1/8/8/R1Q2R2/6p1/B2p1PP1/q1rn2K1 w - - 0 1 >> >>Plokhodnikov, 1971 >> >>Was somewhat surprised to find that most engines need a while to solve this >>puzzle since every move is a check. More than a minute, over five minutes in >>some cases. I think Toga II 1.1 was the fastest, solving it on my Athlon 64 3800 >>in around 40 seconds. (The original composition was given as mate in 21, but the >>comps find a faster way.) > > >[D]3n3k/bp3pp1/8/8/R1Q2R2/6p1/B2p1PP1/q1rn2K1 w - - 0 1 > >Analysis by Hiarcs 10 using 512MB Hash and A64 2.85GHz > > >1.Rh4+ Kg8 2.Rh8+ Kxh8 3.Qh4+ Kg8 4.Qxd8+ Kh7 5.Rh4+ Kg6 6.Rg4+ Kh7 7.Qh4+ Kg8 >8.Qd8+ Kh7 > = (0.00) Depth: 8/32 00:00:00 164kN >1.Rh4+ Kg8 2.Rh8+ Kxh8 3.Qh4+ Kg8 4.Qxd8+ Kh7 5.Rh4+ Kg6 6.Rg4+ Kh7 7.Qh4+ Kg8 >8.Qd8+ Kh7 > = (0.00) Depth: 8/32 00:00:00 296kN >1.Rh4+ Kg8 2.Rh8+ Kxh8 3.Qh4+ Kg8 4.Qxd8+ Kh7 5.Rh4+ Kg6 6.Rg4+ Kh7 7.Qh4+ Kg8 >8.Qd8+ Kh7 > = (0.00) Depth: 9/37 00:00:01 903kN >1.Rh4+ Kg8 2.Rh8+ Kxh8 3.Qh4+ Kg8 4.Qxd8+ Kh7 5.Rh4+ Kg6 6.Rg4+ Kh7 7.Qh4+ Kg8 >8.Qd8+ Kh7 > = (0.00) Depth: 10/39 00:00:03 2418kN >1.Rh4+ Kg8 2.Rh8+ Kxh8 3.Qh4+ Kg8 4.Qxd8+ Kh7 5.Rh4+ Kg6 6.Rg4+ Kh7 7.Qh4+ Kg8 >8.Qd8+ Kh7 > = (0.00) Depth: 11/41 00:00:08 6007kN >1.Rh4+ > +- (#19) Depth: 12/46 00:00:12 8295kN >1.Rh4+ Kg8 2.Rh8+ Kxh8 3.Qh4+ Kg8 4.Qxd8+ Kh7 5.Rh4+ Kg6 6.Qd3+ f5 7.Qxg3+ Kf6 >8.Qd6+ Kg5 9.Rh5+ Kxh5 10.Bf7+ Kg5 11.Qg3+ Kf6 12.Qg6+ Ke5 13.Qe6+ Kf4 14.g3+ >Kg4 15.Qg6+ Kf3 16.Qxf5+ > +- (#19) Depth: 12/46 00:00:18 12553kN >1.Rh4+ Kg8 2.Rh8+ Kxh8 3.Qh4+ Kg8 4.Qxd8+ Kh7 5.Rh4+ Kg6 6.Qd3+ f5 7.Qxg3+ Kf6 >8.Qd6+ Kg5 9.Rh5+ Kxh5 10.Bf7+ Kg5 11.Qg3+ Kf6 12.Qg6+ Ke5 13.Qe6+ Kf4 14.g3+ >Kg4 15.Qg6+ Kf3 16.Qxf5+ > +- (#19) Depth: 13/46 00:00:27 19711kN >1.Rh4+ Kg8 2.Rh8+ Kxh8 3.Qh4+ Kg8 4.Qxd8+ Kh7 5.Rh4+ Kg6 6.Qd3+ f5 7.Qxg3+ Kf6 >8.Qd6+ Kg5 9.Rh5+ Kxh5 10.Bf7+ Kg5 11.Qg3+ Kf6 12.Qg6+ Ke5 13.Qe6+ Kf4 14.g3+ >Kg4 15.Qg6+ Kf3 16.Qxf5+ > +- (#19) Depth: 14/46 00:00:33 23648kN >1.Rh4+ Kg8 2.Rh8+ Kxh8 3.Qh4+ Kg8 4.Qxd8+ Kh7 5.Rh4+ Kg6 6.Qd3+ f5 7.Qxg3+ Kf6 >8.Qd6+ Kg5 9.Rh5+ Kxh5 10.Bf7+ Kg5 11.Qg3+ Kf6 12.Qg6+ Ke5 13.Qe6+ Kf4 14.g3+ >Kg4 15.Qg6+ Kf3 16.Qxf5+ > +- (#19) Depth: 15/46 00:00:48 34646kN >1.Rh4+ Kg8 2.Rh8+ Kxh8 3.Qh4+ Kg8 4.Qxd8+ Kh7 5.Rh4+ Kg6 6.Qd3+ f5 7.Qxg3+ Kf6 >8.Qd6+ Kg5 9.Rh5+ Kxh5 10.Bf7+ Kg5 11.Qg3+ Kf6 12.Qg6+ Ke5 13.Qe6+ Kf4 14.g3+ >Kg4 15.Qg6+ Kf3 16.Qxf5+ > +- (#19) Depth: 16/46 00:00:54 39547kN >1.Rh4+ Kg8 2.Rh8+ Kxh8 3.Qh4+ Kg8 4.Qxd8+ Kh7 5.Rh4+ Kg6 6.Qd3+ f5 7.Qxg3+ Kf6 >8.Qd6+ Kg5 9.Rh5+ Kxh5 10.Bf7+ Kg5 11.Qg3+ Kf6 12.Qg6+ Ke5 13.Qe6+ Kf4 14.g3+ >Kg4 15.Qg6+ Kf3 16.Qxf5+ > +- (#19) Depth: 17/46 00:01:02 47046kN > >(elc, A64 01.12.2005) > >-elc. Hi Enrico, for reference is this the release version or a test version? I'm also interested in knowing if the extras for H10 have been decided on (eg what tablebases and other engines will be included, such as H9.6?). Have you had a chance to compare with H9 on this or other positions? Thanks, Andrew
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