Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Start your engines (fire on board ....)

Author: John Merlino

Date: 12:39:46 01/22/04

Go up one level in this thread


On January 22, 2004 at 15:14:26, George Sobala wrote:

>On January 22, 2004 at 14:53:53, John Merlino wrote:
>
>>On January 22, 2004 at 14:43:10, George Sobala wrote:
>>
>>>Bet you can't find this one. My Deep Sjeng variant did, 10'+5" blitz.
>>>
>>>[D] 2r2rk1/2qnbppp/pp1p4/4pPN1/nPP1N1P1/4B2P/P3P1Q1/2R2RK1 w - - 0 28
>>>
>>>Can you find 28. f6! with 30 Rxf6! to follow?
>>>Black is losing after 31. Ne4, although 31. .. Kh8 hastened the end
>>
>>Chessmaster 9000, SKR personality on a P4-2.4, finds a completely different and
>>very interesting move -- Nxh7!
>>
>>Time	Depth	Score	Positions	Moves
>>0:00	1/5	-0.39	17758		28.Kh2 Nb2 29.Nd2 d5 30.Qxd5 Bxb4
>>0:00	1/6	-0.29	100176		28.Kh2 Rfe8 29.Nd2 h6 30.Nge4 d5
>>					31.cxd5 Qxc1 32.Rxc1 Rxc1
>>0:01	1/7	-0.77	227685		28.Kh2 Nb2 29.Nd2 d5 30.cxd5 Qxc1
>>					31.Rxc1 Rxc1 32.Nde4
>>0:05	1/8	-0.67	847398		28.Kh2 Qc6 29.h4 h6 30.Nh3 Nb2
>>					31.b5 axb5
>>0:14	1/9	-0.82	2290518		28.Kh2 Qc6 29.h4 b5 30.f6 Nxf6
>>					31.Nxf6+ gxf6 32.Ne4 bxc4
>>0:17	1/9	-0.77	2822706		28.a3 Qc6 29.Nd2 d5 30.Qxd5 Qxd5
>>					31.cxd5 Nc3 32.Kf2 Nxd5 33.Nge4
>>0:23	1/9	-0.71	3819184		28.Qf2 h6 29.Nf3 Qc6 30.Nfd2 d5
>>					31.f6 Nxf6 32.Nxf6+ Bxf6 33.Bxh6
>>0:28	1/9	-0.45	4786745		28.Nxh7 Kxh7 29.g5 Bd8 30.Qg4 Kg8
>>					31.f6 g6 32.Rfd1 Nb2 33.Rxd6
>>0:35	1/10	-0.45	5942407		28.Nxh7 Kxh7 29.g5 Bd8 30.Qg4 Kg8
>>					31.f6 g6 32.Rfd1 Nb2 33.Rxd6
>>1:22	1/11	-0.14	14502049	28.Nxh7 Kxh7 29.g5 f6 30.gxf6 Bxf6
>>					31.Rfd1 Kh8 32.Nxd6 Rcd8 33.Kh2
>>					Nb2 34.Rd2 Be7
>>2:15	1/12	-0.11	24521890	28.Nxh7 Kxh7 29.g5 f6 30.gxf6 Bxf6
>>					31.Rfd1 Kh8 32.Nxd6 Rcd8 33.Qd5
>>					Nb2 34.Rd2 Nb8 35.Bf2
>>5:03	1/13	0.00	56537305	28.Nxh7 Kxh7 29.g5 f6 30.gxf6 Bxf6
>>					31.Rfd1 Kh8 32.Nxd6 Rb8 33.Qg6
>>					Kg8 34.Qg2 Kh8
>>
>>jm
>
>But how does CM9000 evaluate 28. Nxh7 Rxh7 ?

I assume, in English, you mean 28.Nxh7 Kxh7...? After forcing those two moves,
the eval is very favorable, given enough time:

Time	Depth	Score	Positions	Moves
0:00	1/3	-1.63	1528		29.b5 Kg8 30.bxa6 Nac5
0:00	1/4	-1.63	4914		29.b5 Kg8 30.bxa6 Nac5
0:00	1/4	-1.08	11242		29.g5 Bd8 30.f6 g6 31.Rfd1
0:00	1/5	-1.16	19570		29.g5 Bd8 30.g6+ Kg8 31.gxf7+ Rxf7
					32.Qg6 Nf6
0:00	1/6	-0.94	62137		29.g5 Bd8 30.g6+ Kg8 31.Rfd1 Nb2
					32.Rxd6
0:00	1/7	-1.04	131777		29.g5 Bd8 30.g6+ Kg8 31.Rfd1 Be7
					32.gxf7+ Rxf7 33.Qg6 Nf6
0:02	1/8	-0.47	388471		29.g5 Bd8 30.f6 g6 31.Qg4 Kg8 32.Rfd1
					Nb2 33.Rxd6
0:04	1/9	-0.47	785169		29.g5 Bd8 30.f6 g6 31.Qg4 Kg8 32.Rfd1
					Nb2 33.Rxd6
0:24	1/10	-0.14	4457893		29.g5 f6 30.gxf6 Bxf6 31.Rfd1 Kh8
					32.Nxd6 Rcd8 33.Kh2 Nb2 34.Rd2 Be7
0:54	1/11	-0.12	10488637	29.g5 f6 30.gxf6 Bxf6 31.Rfd1 Kh8
					32.Nxd6 Rcd8 33.Qd5 Nb2 34.Rd2
					Nb8 35.Bf2
2:57	1/12	0.19	32961624	29.g5 f6 30.g6+ Kg8 31.Nc5 Naxc5
					32.Qd5+ Ne6 33.fxe6 Nb8 34.Qf3
					Rfe8 35.Qh5 Bd8 36.Qh7+ Kf8 37.Qh8+
					Ke7 38.Qxg7+ Kxe6
11:45	1/13	1.11	131179939	29.g5 Kg8 30.f6 Bd8 31.fxg7 Kxg7
					32.Qg4 Nb8 33.Nxd6 Qxd6 34.Qxc8
					Qg6 35.Qg4 f5 36.gxf6ep+ Rxf6 37.Rcd1
					Qxg4+ 38.hxg4

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.