Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Revival Blunder

Author: Ernst Walet

Date: 14:53:43 06/27/04

Go up one level in this thread


On June 27, 2004 at 17:29:34, Ernst Walet wrote:

>On June 27, 2004 at 13:03:36, David Dahlem wrote:
>
>>In this position, the new Little Goliath Revival engine played the fatal 29.
>>Bh6, and it's evaluation dropped from +1.00 to -1.19 on it's next move.
>>
>>[D]r3rnk1/p4p2/1qp2Pb1/3p2B1/7Q/2N5/RPPR2P1/7K w - - 7 29
>>
>>After 55 seconds of analysis, Revival still likes Bh6. I tried several engines
>>on this position, and they seem to have trouble agreeing on the best move. Some
>>examples are below. What does your engine think about this position?
>>>Regards
>>Dave
>
>
>The King 3.33 favours Re2 with a big plus.
>
>Time	Depth	Score	Positions	Moves
>0:08	1/9	0.82	2506880		1.Ra4 Nh7 2.Rd1 Qc5 3.Rg4 Rab8
>					4.Bc1 Qd6 5.Rf1
>0:15	1/10	0.57	5012913		1.Ra4 Nh7 2.Qh6 Re1+ 3.Kh2 Qb8+
>					4.Bf4 Qf8 5.Qh4 Re6 6.Rf2 Nxf6
>					7.Be5 Rxe5 8.Qxf6
>0:19	1/10	0.78	6379416		1.Ne2 Re4 2.Qh6 Ne6 3.Ra3 Bf5 4.Rg3
>					Qxb2 5.Rxd5 Bg6 6.Rh3
>0:35	1/11	0.80	11867949	1.Ne2 Re5 2.Nf4 Ne6 3.Nxe6 fxe6
>					4.Qh6 Re1+ 5.Kh2 Qc7+ 6.Bf4 Qh7
>					7.Qxh7+ Bxh7 8.Bd6 e5
>1:09	1/11	1.13	24234798	1.Re2 Rxe2 2.Nxe2 Be4 3.Nf4 Qc7
>					4.Qh6 Ne6 5.Nxe6 fxe6 6.Ra6 d4
>					7.Bf4 Qh7
>1:56	2/12	1.92	40316144	1.Re2 Rxe2 2.Nxe2 Qc5 3.Nf4 Nd7
>					4.Nxg6 fxg6 5.Qh6 Kf7 6.Qh7+ Ke6
>					7.Qh3+ Kd6 8.Bf4+ Ne5 9.Qh7 Ke6
>					10.Bxe5 Kxe5 11.Qxg6
>4:25	2/13	2.28	94105819	1.Re2 Rxe2 2.Nxe2 Qc5 3.Nf4 Nd7
>					4.Nxg6 fxg6 5.f7+ Kxf7 6.Qh7+ Ke6
>					7.Qxg6+ Ke5 8.Bh4 Qc4 9.Bg3+ Kd4
>					10.Bf2+ Ke5
>10:57	2/14	3.76	239584615	1.Re2 Rxe2 2.Nxe2 Qc5 3.Nf4 Qxc2
>					4.Qh6 Ne6 5.b4 Qb1+ 6.Kh2 Bh5 7.Nxe6
>					Qg6 8.Qxg6+ Bxg6 9.Nd4 Rb8 10.Bd2
>					Rd8 11.Rxa7
>20:04	3/15	3.82	458951192	1.Re2 Rxe2 2.Nxe2 Qc5 3.Nf4 Bh5
>					4.b3 Re8 5.Nd3 Qb6 6.Qxh5 Re4 7.Bf4
>					Qd4 8.Bh2 Ng6
>
>
>Ernst

And after Bh6.

Time	Depth	Score	Positions	Moves
0:00	1/7	-0.26	134028		1...Re5 2.g4 Rae8 3.Qf2 Qxf2 4.Rxf2
					d4 5.Bxf8 Kxf8
0:01	1/8	-0.36	315974		1...Re5 2.g4 Rae8 3.Qf2 Qxf2 4.Rxf2
					d4 5.Bxf8 Re1+ 6.Kh2 Kxf8
0:03	1/9	-0.36	1027599		1...Re5 2.g4 Rae8 3.Qf2 Qxf2 4.Rxf2
					d4 5.Bxf8 Re1+ 6.Kh2 Kxf8
0:08	1/10	-0.65	2784452		1...Re5 2.g4 Rae8 3.Qf2 Qxf2 4.Rxf2
					d4 5.Bxf8 Re1+ 6.Kh2 Kxf8 7.Na4
0:24	1/11	-0.82	8105984		1...Re5 2.g4 Rae8 3.Rf2 Re1+ 4.Kg2
					Be4+ 5.Nxe4 Ng6 6.Qg3 R8xe4 7.Kh3
					c5
1:16	2/12	-0.97	25346081	1...Re5 2.g4 Rae8 3.Qf2 Qxf2 4.Rxf2
					d4 5.Bxf8 Kxf8 6.Na4 Re2 7.Rxe2
					Rxe2 8.Nc5 Bxc2 9.Rxa7
3:14	2/13	-1.19	66865049	1...Re5 2.g4 Rae8 3.Qf2 Qxf2 4.Rxf2
					d4 5.Bxf8 Kxf8 6.Na4 Rg5 7.Kh2
					Re4 8.Rg2 Rexg4 9.Rxg4 Rxg4
7:49	2/14	-0.97	164229929	1...Re5 2.g4 Rae8 3.Qf2 Qxf2 4.Rxf2
					d4 5.Bxf8 Kxf8 6.Na4 Re2 7.Rxe2
					Rxe2 8.Nc5 Bxc2 9.Rxa7
18:45	3/15	-1.04	398050070	1...Re5 2.g4 Rae8 3.Qf2 Qxf2 4.Rxf2
					d4 5.Bxf8 Kxf8 6.Na4 Rg5 7.Ra3
					Re3 8.Rxe3 dxe3 9.Rg2 Be4



Ernst



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.