Author: m.d.hurd
Date: 07:23:05 02/21/04
Go up one level in this thread
On February 20, 2004 at 01:20:49, Harald Faber wrote: >On February 19, 2004 at 16:05:07, George Tsavdaris wrote: > >> >>30.Nxf7! A nice sacrifice of Amyan 1.591 against Wildcat 3.0 that some of the >>best engines can't find it in the reasonable time of 4 minutes on a 1.5GHz PIV. >>Shredder 8, Deep Fritz 8-7, Ruffian 2.0 can't find it. It's so easy that i guess >>why? For Junior's and Chess Tiger's is very easy. >>When i'm thinking that Shredder 8 can't see the famous sacrifice Bxh7! and plays >>O-O, i hope programmers of top engines would give more attention to sacrifices >>and be less materialistic. >> >>[D]r2r4/pb3pkp/3q2p1/2pnN3/2B5/1P6/P2QRPPP/4R1K1 w - - 0 30 >> > >I don't think that 8min on "slow" hardware is too long... > >Celeron@1539MHz 300MB hash: > >r2r4/pb3pkp/3q2p1/2pnN3/2B5/1P6/P2QRPPP/4R1K1 w - - 0 1 > >Analysis by Shredder 8: > >30.Dc1 f6 31.Sg4 Df4 32.Dxf4 Sxf4 33.Te7+ Kh8 34.Txb7 > +- (1.44) Tiefe: 7/18 00:00:00 64kN >30.f3 f6 31.Sg4 Kh8 32.Lxd5 De5 33.Sxe5 > +- (1.45) Tiefe: 7/18 00:00:01 92kN >30.f3 Df6 31.Dc2 Kh8 32.Dc1 Tac8 33.Dh6 > +- (1.47) Tiefe: 7/18 00:00:01 102kN >30.f3 Df6 31.Dc2 Kh8 32.Db2 Kg8 33.Da3 Db6 34.Lxd5 Lxd5 > +- (1.47) Tiefe: 8/20 00:00:01 185kN >30.Dc1 f6 31.Sg4 Df4 32.Dxf4 Sxf4 33.Te7+ Kh8 34.Txb7 > +- (1.48) Tiefe: 8/20 00:00:01 192kN >30.Dc1 Tac8 31.f3 Kg8 32.Dh6 f6 33.Sf7 > +- (1.52) Tiefe: 8/22 00:00:01 240kN >30.Dc1 Tac8 31.f3 Df6 32.Te4 Kh8 33.Dh6 Dg7 34.Dh4 > +- (1.59) Tiefe: 9/19 00:00:02 357kN >30.Dc1 Tf8 31.Sd3 Kh8 32.Te5 Tad8 33.Dh6 f6 34.Te6 Dc7 > +- (1.62) Tiefe: 10/24 00:00:07 1080kN >30.Dc1 Tf8 31.f3 Tad8 32.Sg4 Sf6 33.Dh6+ Kh8 34.Sxf6 Dxf6 35.Te7 Dd4+ 36.Kh1 Df2 >37.Lxf7 > +- (1.62) Tiefe: 11/30 00:00:15 2282kN >30.Dc1 Tf8 31.Sd3 Tac8 32.Te5 Kh8 33.Dh6 Tfd8 34.Lxd5 Lxd5 35.Sf4 Lb7 36.Te7 > +- (1.66) Tiefe: 12/28 00:00:27 4055kN >30.Dc1 Tab8 31.Te4 f5 32.T4e2 Df8 33.Sd3 Kh8 34.Lxd5 Dg7 35.Lxb7 Txd3 > +- (1.75) Tiefe: 13/33 00:01:09 10811kN >30.Dc1 Tac8 31.Te4 h5 32.Dg5 Df6 33.Sxf7 Dxg5 34.Sxg5 Ta8 35.g3 Se3 > +- (1.79) Tiefe: 14/34 00:02:22 22264kN >30.Dc1 Tac8 31.Sg4 Df4 32.Dxf4 Sxf4 33.Te7 Ld5 34.Lxd5 Txd5 35.Se5 Tcd8 36.Sxf7 >T8d7 37.Txd7 Txd7 38.Se5 Td6 > +- (1.70) Tiefe: 15/37 00:03:17 31220kN >30.Dc1 Tac8 31.Te4 f5 32.T4e2 Tc7 33.Sd3 Df6 34.Lxd5 Lxd5 35.Sxc5 Kh8 36.Te8+ >Txe8 37.Txe8+ Lg8 38.a3 Te7 > +- (1.78) Tiefe: 16/39 00:07:34 70351kN ><b>30.Sxf7 Kxf7 31.Dh6 Th8 32.Te5 Df8 33.Lxd5+ Lxd5 34.Df4+ Kg7 35.Dxf8+ Taxf8 >36.Txd5 Kf6 > +- (1.79) Tiefe: 16/40 00:07:57 74122kN</b> >30.Sxf7 Kxf7 31.Dh6 Th8 32.Te5 Df8 33.Lxd5+ Lxd5 34.Df4+ Kg7 35.Dxf8+ Taxf8 >36.Txd5 Kf6 37.Txc5 Te8 38.Tcc1 Thg8 39.Txe8 Txe8 40.a3 > +- (2.14) Tiefe: 16/40 00:08:10 76552kN >30.Sxf7 Kxf7 31.Dh6 Td7 32.Dxh7+ Kf6 33.Dh4+ Kg7 34.Te6 Df4 35.Te7+ Txe7 >36.Txe7+ Kf8 37.Dxf4+ Sxf4 38.Txb7 Ke8 39.g3 Kd8 40.gxf4 Tb8 41.Txb8+ > +- (4.47) Tiefe: 16/44 00:11:41 114639kN >30.Sxf7 Kxf7 31.Dh6 Th8 32.Te5 Tad8 33.Lxd5+ Lxd5 34.Df4+ Kg7 35.Te7+ Kg8 >36.Te8+ Txe8 37.Txe8+ Kg7 38.Dxd6 Txe8 39.Kf1 Lf7 40.Dxc5 a6 41.Dd4+ Kg8 42.Da7 >Te6 43.g3 Kg7 > +- (4.52) Tiefe: 17/45 00:14:37 144923kN Hi Shredder 8 gambit finds this very quickly : New game r2r4/pb3pkp/3q2p1/2pnN3/2B5/1P6/P2QRPPP/4R1K1 w - - 0 1 Analysis by Shredder 8 Gambit: 1.Nxf7 Kxf7 2.Qh6 Rd7 3.Qxh7+ Kf6 4.Qh4+ Kf7 5.Re3 Kg7 6.Re6 Qc7 7.Bxd5 Kf8 8.Bxb7 Kg8 9.Bxa8 Rh7 10.Rxg6+ Rg7 +- (3.76) Depth: 13/36 00:00:12 4733kN (Hurd, UK 21.02.2004) Athlon 2400 xp 256 mb hash Regards Mike
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