Author: Dieter Buerssner
Date: 09:29:30 06/10/05
Go up one level in this thread
On June 09, 2005 at 19:31:37, Martial wrote:
>yet another test pos.
>are chess engines advance enough...
>i wonder if there are chess engines that could solve this one.
>is the key incorrect?
>
>humans (assuming he/she knows the solution) could beat the engines either with
>black or white. (as long as engine learning is off)
>
>main line: (white wins with)
>1. Nf6+ Kg7 2. Nh5+ Kg6 3. Bc2+ Kxh5 4. d8=Q Nf7+ 5. Ke6 Nxd8+ 6. Kf5 e2 7.
>Be4 e1=N 8. Bd5 c2 9. Bc4 c1=N 10. Bb5 * followed by mate in a few more moves.
>
>
>
>8/3P3k/n2K3p/2p3n1/1b4N1/2p1p1P1/8/3B4 w - - 0 1
It took a very long time - after 7 1/2 hours Yace found Nf6+ with the first 9
half moves of the line you gave in the PV, Centrino 1.7 GHz, 850 MB hash:
3734647617 1:00:06 -2.33 16. 1.d8=Q Nf7+ 2.Kd7 Nxd8 3.Kxd8 Ba5+ 4.Ke7 Bc7
5.Nxe3 Bxg3 6.Ke6
499805285 1:17:13 -2.36 17t 1.d8=Q Nf7+ 2.Kd7 Nxd8 3.Kxd8 Ba5+ 4.Kd7 Bc7
5.Nxe3 Bxg3 6.Nd5 Be5 7.Kc6 Bd4 8.Kb5 Nb8 9.Kc4
Nd7 10.Bc2+ Kg7 {HT} {-240}
4023990582 3:18:34 -2.36 17. 1.d8=Q Nf7+ 2.Kd7 Nxd8 3.Kxd8 Ba5+ 4.Kd7 Bc7
5.Nxe3 Bxg3 6.Nd5 Be5 7.Kc6 Bd4 8.Kb5 Nb8 9.Kc4
Nd7 10.Bc2+ Kg7 {HT} {-240}
3995285977 4:28:00 -2.35 18t 1.d8=Q Nf7+ 2.Kd7 Nxd8 3.Kxd8 Ba5+ 4.Kd7 {HT}
{-240}
2353337546 7:27:56 -2.34 18t+ 1.Nf6+ Kg7 2.Nh5+ Kg6 3.Bc2+ Kxh5 4.d8=Q Nf7+
5.Ke6 Nb8 6.Kf5 e2 7.Bd1 Ne5
3857787730 9:07:42 -1.96 18++ 1.Nf6+ Kg7 2.Nh5+ Kg6 3.Bc2+ Kxh5 4.d8=Q Nf7+
5.Ke6 Nb8 6.Kf5 e2 7.Bd1 Ne5
3440869541 10:14:14 -0.96 18++ 1.Nf6+ Kg7 2.Nh5+ Kg6 3.Bc2+ Kxh5 4.d8=Q Nf7+
5.Ke6 Nb8 6.Kf5 e2 7.Bd1 Ne5
Regards,
Dieter
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.