Author: Jonas Cohonas
Date: 23:59:05 04/17/01
Go up one level in this thread
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
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.