Author: Drazen Marovic
Date: 06:22:49 04/18/01
Go up one level in this thread
On April 18, 2001 at 02:59:05, Jonas Cohonas wrote: >On April 18, 2001 at 01:09:41, Drazen Marovic wrote: > >> After move 8...pxB in the following game fragment Most comps including Gambit >>tiger 2.0, Deep Fritz, Junior 6 and Hiarcs 7.32 give white almost +3.0 or >>better, when the position is actually practically equal, the progs continue this >>over-evaluation of the position up to move 11 when they suddenly see. What >>causes this miscalculation in such a relatively simple combination, in all of >>these progs? >> >>1.e4 d5 2.exd Nf6 3.Nc3 Nxp 4.Bc4 c6 5.Qf3 Nf6 6.Ne4 Mbd7 7.Qb3 e6 8.Bxe6 pxB >>9.Qxp Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Nd6 Kd8 > >New game - Deep Fritz >r1bqkb1r/pp1n2pp/2p1pn2/8/4N3/1Q6/PPPP1PPP/R1B1K1NR w KQkq - 0 1 > >Analysis by Deep Fritz: > >9.Nxf6+ Nxf6 > -+ (-2.22) Depth: 1/5 00:00:00 >9.d3! > -+ (-2.19) Depth: 1/7 00:00:00 >9.d3! Nxe4 > -+ (-1.81) Depth: 1/8 00:00:00 >9.Qxe6+! > -+ (-1.72) Depth: 1/8 00:00:00 >9.Qxe6+! Qe7 10.Nd6+ Kd8 > -+ (-1.41) Depth: 1/9 00:00:00 >9.Qxe6+! > = (0.09) Depth: 2/9 00:00:00 >9.Qxe6+! Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 > +- (2.50) Depth: 2/10 00:00:00 >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > +- (2.50) Depth: 3/12 00:00:00 >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > +- (2.50) Depth: 4/12 00:00:00 1kN >9.Qxe6+-- > +- (2.19) Depth: 5/12 00:00:00 1kN >9.Qxe6+-- Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ > ± (0.94) Depth: 5/12 00:00:00 2kN >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > ± (0.94) Depth: 6/13 00:00:00 4kN >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > ± (0.94) Depth: 7/13 00:00:00 14kN >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > ± (0.94) Depth: 8/15 00:00:00 27kN >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > ± (0.94) Depth: 9/16 00:00:00 80kN >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > ± (0.94) Depth: 10/17 00:00:00 155kN >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > ± (0.94) Depth: 11/19 00:00:00 277kN >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > ± (0.94) Depth: 12/19 00:00:00 478kN >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > ± (0.94) Depth: 13/23 00:00:01 1211kN >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > ± (0.94) Depth: 14/24 00:00:02 2388kN >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > ± (0.94) Depth: 15/25 00:00:04 4503kN >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > ± (0.94) Depth: 16/28 00:00:10 9483kN >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > ± (0.94) Depth: 17/38 00:00:34 30879kN >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > ± (0.94) Depth: 18/40 00:01:21 75089kN >9.Qxe6+ Qe7 10.Nd6+ Kd8 11.Nf7+ Ke8 12.Qxe7+ Bxe7 13.Nxh8 Kf8 14.d3 Kg8 > ± (0.94) Depth: 19/42 00:03:31 197293kN > >(, MyTown 19.04.2001) > > I don't know where you got your 3+ score from, but this is the output of Deep >Fritz, by the way Deep Fritz would not have played those moves when out of book. >1.3ghz t-bird 512 ram I never said it was Fritz, it's moves from a blindfold game. Your comp too at least at first shows Fritz being up 2.5 after Qxe6, My computer is no where near as fast as yours(p450). It just seemed strange that all of the programs on my comp for up to 30 seconds or more have such a high score for such a short tactical sequence.
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