Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Testposition - A Sparking Jewel

Author: John Merlino

Date: 13:03:03 02/28/01

Go up one level in this thread


On February 28, 2001 at 09:56:04, Sune Larsson wrote:

>
>  [D]1n6/4k2p/p3ppp1/1pPp4/3P1PP1/3NP3/P3K2P/8 w - - 0 1
>
>  Take off your hats folks, cause this is a real piece of art!
>  A stunning performance by a great player. If you can figure out
>  who handles the white pieces this way, you'll win a nice price -
>  "My 60 Memories" by Ossi Weiner, provided of course that some justice
>  is done in the old country ;) (Sorry, this was a little European joke
>  that slipped out of my mouth.) Back to the game - we have a knight ending
>  with 7 pawns each. If black's knight was on c6, his queenside majority
>  would be a menace. As things stand, white can engineer a dramatic central
>  breakthrough:
>
>  1.f5!!  [If now 1.-gxf5 2.gxf5 exf5 3.Nf4 wins  - and 1.-Nc6 2.Nf4!]
>          Black stops Nf4, but succumbs to a brilliant diversion.
>
>  1.-g5 2.Nb4 a5 3.c6! Kd6 4.fxe6! Nxc6 5.Nxc6 Kxc6 6.e4! with a winning
>  pawn ending.  [6.-dxe4 7.d5+ etc.]
>
>  Test1: White is winning in a forced, sparking way. Too hard for the comps?
>  Test2: Who played white and composed this beauty? [Sorry, no price ;)
>
>  Sune

CM8000 doesn't see this one for a very long time:

Time	Depth	Score	Positions	Moves
0:00	2/5	0.48	3038		1. g5 Nc6 2. Kf3 a5 3. gxf6+ Kxf6
0:00	5/8	0.43	62317		1. g5 Nc6 2. Kf3 a5 3. h3 fxg5
					4. fxg5 Kd7 5. Kf4
0:00	5/8	0.56	92294		1. f5 g5 2. fxe6 Nc6 3. a3 a5 4.
					a4 bxa4
0:02	6/9	0.28	229124		1. f5 g5 2. fxe6 Nc6 3. Kf3 Kxe6
					4. h4 a5 5. h5 f5
0:03	6/9	0.75	329496		1. g5 fxg5 2. fxg5 Nc6 3. Kf3 Kd7
					4. h4 a5 5. Kf4 Ne7 6. Ne5+ Kc7
0:06	7/10	0.71	697676		1. g5 Nc6 2. gxf6+ Kxf6 3. Ne5
					Nxe5 4. fxe5+ Ke7 5. e4 dxe4 6.
					Ke3 Kd7 7. Kxe4 a5
0:15	8/11	0.57	1852680		1. g5 f5 2. Ne5 Kd8 3. Nf7+ Kc7
					4. Kf3 Nc6 5. Nd6 Kd7 6. h4 Ne7
0:33	9/12	0.58	4010203		1. g5 f5 2. Ne5 Kd8 3. h3 Kc7 4.
					h4 Nc6 5. Nxc6 Kxc6 6. Kd2 a5 7.
					Kd3 b4
1:24	10/13	0.52	10058312	1. g5 f5 2. Ne5 Kd8 3. h4 Kc7 4.
					Nf7 Nc6 5. Nd6 Nb4 6. a3 Nc2 7.
					Ne8+ Kd7
4:17	11/14	0.41	30465211	1. g5 fxg5 2. fxg5 Nc6 3. Kf3 a5
					4. Kf4 a4 5. h3 b4 6. Nc1 Kd8 7.
					h4 Kd7 8. Nd3
12:34	12/15	0.40	87025398	1. g5 fxg5 2. fxg5 Nc6 3. h3 a5
					4. a3 Kd7 5. Kd2 Kd8 6. h4 Kd7
					7. Kc3 Kd8 8. Nf4 Kd7 9. Kd3
48:38	12/15	1.46	314703360	1. f5 g5 2. Nb4 a5 3. c6 Kd6 4.
					fxe6 Nxc6 5. Nxc6 Kxc6 6. e4 dxe4
					7. d5+ Kd6 8. Ke3 Ke7 9. Kxe4 b4

jm



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.