Author: Ernst Walet
Date: 10:14:00 06/18/02
Go up one level in this thread
This is nice. When Fritz finds a mate, it stops searching. Ernst. On June 18, 2002 at 13:06:04, Timothy J. Frohlick wrote: >Ernst, > >Hiarcs finds a mate in 11. > >Hiarcs 8 - Frohlick,T >4r1k1/qp1r1p2/2pb1Bp1/p6p/2PP1n1R/1P3P2/P4P2/2Q2K1R w - - 0 1 > >Analysis by Hiarcs 8: > >1.Rxf4 Bxf4 2.Qxf4 > -+ (-2.25) Depth: 1 00:00:00 >1.Rxf4 Bxf4 2.Qxf4 > -+ (-2.25) Depth: 2/7 00:00:00 >1.Rxf4 Bxf4 2.Qxf4 > -+ (-2.25) Depth: 3/11 00:00:00 >1.Rxf4 Re6 2.Be5 Bxe5 3.dxe5 Rxe5 > -+ (-2.19) Depth: 4/11 00:00:00 >1.Rxf4 Bxf4 2.Qxf4 Re6 3.Kg2 Rdd6 4.Be5 > -+ (-2.27) Depth: 5/13 00:00:00 6kN >1.Qxf4 Re2 > -+ (-1.87) Depth: 5/14 00:00:00 9kN >1.Qxf4 Bxf4 2.Rxh5 Re1+ 3.Kxe1 Bd2+ 4.Kf1 gxh5 5.Rxh5 Bh6 6.Rxh6 > µ (-1.20) Depth: 5/16 00:00:00 13kN >1.Qxf4 Re1+ > µ (-0.91) Depth: 6/19 00:00:00 21kN >1.Qxf4 Re1+ 2.Kxe1 Bxf4 3.Rxh5 gxh5 4.Rxh5 Re7+ 5.Kf1 > ± (1.16) Depth: 6/20 00:00:00 61kN >1.Qxf4 Bxf4 2.Rxh5 gxh5 > ± (1.16) Depth: 7/20 00:00:00 90kN >1.Qxf4 Qa6 > +- (1.41) Depth: 8/22 00:00:01 173kN >1.Qxf4 Bxf4 2.Rxh5 gxh5 3.Rxh5 Re1+ 4.Kxe1 Re7+ 5.Kd1 Qxd4+ 6.Bxd4 f6 7.Bxf6 >Rd7+ 8.Ke1 > +- (2.75) Depth: 8/26 00:00:02 287kN >1.Qxf4 Be7 > +- (3.00) Depth: 9/26 00:00:04 633kN >1.Qxf4 Re1+ 2.Kxe1 Qxd4 3.Qxd4 Bb4+ 4.Ke2 Rxd4 5.Rxd4 Kh7 > +- (12.94) Depth: 9/33 00:01:09 10230kN >1.Qxf4 Re1+ > +- (13.19) Depth: 10/33 00:01:25 12578kN >1.Qxf4 Re1+ 2.Kg2 Qxd4 3.Qxd4 Rxh1 4.Rxh1 b5 5.Qg4 > +- (13.69) Depth: 10/34 00:01:54 17292kN >1.Rxh5 gxh5 2.Qxf4 Re1+ 3.Kxe1 Bb4+ 4.Kf1 Rxd4 5.Bxd4 f6 6.Bxa7 Kf7 7.Qf5 Kg7 >8.Rg1+ Kf7 9.Qxh5+ Kf8 > +- (19.88) Depth: 10/37 00:02:20 22642kN >1.Rxh5 gxh5 > +- (20.13) Depth: 11/37 00:02:27 24102kN >1.Rxh5 gxh5 2.Qxf4 Bf8 3.Rxh5 Bh6 4.Qxh6 Re1+ 5.Kxe1 Qxd4 6.Qg5+ Kf8 7.Bxd4 Re7+ >8.Kf1 f5 9.Qxf5+ Kg8 10.Qg5+ Kf8 11.Qf6+ > +- (#18) Depth: 11/39 00:03:12 34667kN >1.Rxh5 Re1+ 2.Kxe1 gxh5 3.Qxf4 > +- (#11) Depth: 11/39 00:05:06 79299kN > >(Frohlick, Albuquerque 18.06.2002) > >I find it interesting that Sjeng never even considered Qxf4 as a good sacrifice. >Must be a bug in the program. > >Tim Frohlick > > >On June 18, 2002 at 12:57:08, Ernst Walet wrote: > >>On June 18, 2002 at 12:30:13, Charlie GOLD wrote: >> >>> Here is a position that I gave to Fritz 6. After 7 minutes on infinite it >>>only comes up with Rxf4. I believe that Rxh5 leads to a win. >>> [D] 4r1k1/qp1r1p2/2pb1Bp1/p6p/2PP1n1R/1P3P2/P4P2/2Q2K1R w 0 1 >> >>Fritz7 finds a mate...... >> >>New game >>4r1k1/qp1r1p2/2pb1Bp1/p6p/2PP1n1R/1P3P2/P4P2/2Q2K1R w - - 0 1 >> >>Analysis by Fritz 7: >> >>1.Rxf4 Re6 2.Rf5 Be7 3.Bxe7 Qxd4 4.Rxa5 Rdxe7 5.Qg5 Re2 6.Ra8+ Kg7 >> µ (-1.16) Depth: 9/25 00:00:00 404kN >>1.Rxf4 Re6 2.d5 cxd5 3.cxd5 Rc7 4.Qd1 Bxf4 5.dxe6 fxe6 6.Qd8+ Kf7 >> µ (-0.94) Depth: 10/29 00:00:01 981kN >>1.Rxh5! >> µ (-0.91) Depth: 10/30 00:00:07 4442kN >>1.Rxh5! >> µ (-0.75) Depth: 10/31 00:00:08 5140kN >>1.Rxh5! >> ³ (-0.44) Depth: 10/31 00:00:09 5757kN >>1.Rxh5! >> = (0.19) Depth: 10/31 00:00:11 6781kN >>1.Rxh5 Re1+ 2.Qxe1 Nxh5 3.Qe8+ Bf8 4.Rxh5 gxh5 5.Qxd7 Qb8 6.Be5 Qa8 >> ± (0.81) Depth: 10/34 00:00:21 12383kN >>1.Rxh5 gxh5 2.Qxf4 Re1+ 3.Kxe1 >> ± (0.72) Depth: 11/32 00:00:25 14880kN >>1.Qxf4! >> ± (0.75) Depth: 11/32 00:00:28 16200kN >>1.Qxf4! >> ± (0.91) Depth: 11/32 00:00:29 17066kN >>1.Qxf4! >> ± (1.22) Depth: 11/32 00:00:31 18113kN >>1.Qxf4! >> +- (1.84) Depth: 11/32 00:00:33 19403kN >>1.Qxf4 Re1+ 2.Kg2 Rg1+ 3.Kxg1 Qc5 4.Qh6 >> +- (14.88) Depth: 11/35 00:02:50 97218kN >>1.Qxf4! >> +- (15.16) Depth: 12/32 00:03:14 110688kN >>1.Qxf4! >> +- (15.44) Depth: 13/33 00:03:50 131691kN >>1.Qxf4! >> +- (15.72) Depth: 13/33 00:04:06 140881kN >>1.Qxf4! >> +- (16.28) Depth: 13/33 00:04:20 148608kN >>1.Qxf4 Qxd4 2.Rxh5 Re1+ >> +- (#15) Depth: 13/38 00:06:51 235771kN >>1.Qxf4 Qxd4 2.Rxh5 Re1+ >> +- (#15) Depth: 13/38 00:07:00 240357kN >> >>(Celeron 1200, 832MB hash, 3+4+5 EGTB's 18.06.2002) >> >> >>Ernst.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.