Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Difficult test position

Author: Christophe Drieu

Date: 08:52:11 05/27/03

Go up one level in this thread


On May 27, 2003 at 09:55:33, Steffen Basting wrote:

>Hi!
>
>Here's a position that occured in one of my games:
>
>[D] 5r1k/p5b1/4n1qp/2p1pr1n/2PpN1pP/P2P2P1/1RQ1RPK1/2B3N1 b - - 0 31
>
>How long does your engine need to find Nef4+?
>Fritz 8 needs about 4 minutes on my PIV/3.06:
>
>
>5r1k/p5b1/4n1qp/2p1pr1n/2PpN1pP/P2P2P1/1RQ1RPK1/2B3N1 b - - 0 1
>
>Analysis by Fritz 8:
>
>31...T5f7 32.Tb5 Sf6 33.Sxc5 Sxc5 34.Txc5 Sd7 35.Tc7
>  ³  (-0.34)   Tiefe: 7/21   00:00:00  104kN
>31...T5f7 32.Tb5 Sf6 33.Sxc5 Sxc5 34.Txc5 Sd7 35.Tc7 a6
>  ³  (-0.38)   Tiefe: 8/22   00:00:00  168kN
>31...T5f7 32.Da4 Sf6 33.Dc6 Sxe4 34.Dxe4 Tf5 35.Tb7 Df6 36.Dxg4 Txf2+
>  ³  (-0.53)   Tiefe: 9/26   00:00:00  406kN
>31...T5f7 32.Te1 Sf6 33.De2 Dh5 34.Sd6 Td7 35.Se4 Sxe4 36.Dxe4 Lf6 37.Se2
>  ³  (-0.50)   Tiefe: 10/29   00:00:01  934kN
>31...T5f7 32.Te1 Sf6 33.De2 Dh5 34.Sd6 Td7 35.Se4 Sxe4 36.Dxe4 Tdf7 37.Dd5
>  ³  (-0.47)   Tiefe: 11/31   00:00:02  2214kN
>31...T5f7 32.Te1 Sf6 33.De2 Dh5 34.Sd6 Td7 35.Se4 Sxe4 36.Dxe4 Tdf7 37.Dd5
>  ³  (-0.47)   Tiefe: 12/34   00:00:04  4079kN
>31...T5f7 32.Te1 Sf6 33.De2 Dh5 34.Sd2 Te8 35.f3 Dg6 36.Se4 Tef8 37.Sd6 Te7
>  ³  (-0.44)   Tiefe: 13/32   00:00:07  8421kN
>31...T5f7 32.Te1 Sf6 33.De2 Dh5 34.Sd2 Te8 35.Se4 Sxe4 36.Dxe4 Tef8 37.Dd5
>  ³  (-0.38)   Tiefe: 14/34   00:00:17  18603kN
>31...T5f7 32.Te1 Sf6 33.De2 Kh7 34.Sd6 Te7 35.Se4 Kg8 36.Sxf6+ Lxf6 37.De4 Dh5
>38.f3
>  ³  (-0.41)   Tiefe: 15/38   00:01:22  94121kN
>31...T5f7 32.Te1 Sf6 33.De2 Kh7 34.Sd6 Te7 35.Se4 Kg8 36.Sxf6+ Lxf6 37.De4 Dh5
>38.f3 Tg7 39.Dd5 gxf3+
>  ³  (-0.34)   Tiefe: 16/39   00:02:14  157275kN
>31...Sef4+!
>  ³  (-0.38)   Tiefe: 16/43   00:04:04  286586kN
>31...Sef4+!
>  ³  (-0.53)   Tiefe: 16/43   00:04:21  308445kN
>31...Sef4+!
>  µ  (-0.81)   Tiefe: 17/43   00:06:23  453558kN
>31...Sef4+ 32.gxf4 exf4 33.Kf1 f3 34.Te1 g3
>  µ  (-0.81)   Tiefe: 18/45   00:12:05  868379kN
>31...Sef4+!
>  µ  (-1.09)   Tiefe: 19/50   00:32:40  2308018kN
>
>I'm especially interested in amateur engines' results :-)
>
>Regards,
>Steffen

Gambit Tiger 15 agressive PIII 866 Mhz

00:00:00.0	3,44	1	2	Qf7
00:00:00.0	3,66	1	5	Qf7
00:00:00.0	0,46	1	214	Qf7
00:00:00.0	2,30	1	387	a6
00:00:00.0	2,36	1	477	R8f7
00:00:00.0	2,54	1	573	R5f7
00:00:00.0	2,54	2	745	R5f7 Nd6
00:00:00.0	2,46	3	1310	R5f7 Rb5 Qf5 Nxc5 Nxc5 Rxc5
00:00:00.0	2,44	4	3826	R5f7 Re1 Kh7 Qe2
00:00:00.1	1,88	5	30090	Qe8 Re1 R8f7 Qd1 Qf8
00:00:00.2	2,00	5	40527	Kg8 Rb7 a5 Ra7 Qe8
00:00:00.2	1,76	6	57109	Kg8 Qd1 Nc7 Rb7 Qf7
00:00:00.3	2,46	6	71448	Nef4+ gxf4 exf4 Re1 f3+ Kf1 Qf7
00:00:00.3	2,58	7	75648	Nef4+ gxf4 exf4 Re1 f3+ Kf1 Qc6
00:00:00.4	2,58	8	86321	Nef4+ gxf4 exf4 Re1 f3+ Kf1 Qc6
00:00:00.6	2,88	9	126731	Nef4+ gxf4 exf4 Re1 Qc6
00:00:00.9	2,66	10	195626	Nef4+ gxf4 exf4 Re1 Be5 Rb7 f3+ Kh1 g3 Nxg3
00:00:01.7	2,80	11	386047	Nef4+ gxf4 exf4 Re1 Qc6




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.