Author: John Merlino
Date: 15:46:47 05/12/04
Go up one level in this thread
On May 12, 2004 at 17:21:00, Will Singleton wrote:
>On May 12, 2004 at 16:09:39, John Merlino wrote:
>
>>On May 12, 2004 at 02:37:56, Will Singleton wrote:
>>
>>>[d]rn2k1r1/p4ppp/1pp1p3/8/P1NP2Q1/2B3P1/1P6/R3KB1q w Qq - 0 16
>>>
>>>This is Amateur-Djinn, from ICC today.
>>>
>>>16. O-O-O! Nd7 (16... Qd5 17. Bb4 h5 18. Qh4 +-) 17. d5! cxd5 18. Bh3 Qxd1+ 19.
>>>Qxd1! dxc4 20. Qd6 {game over}
>>>
>>>Djinn didn't play 18...Qxd1 in the game, but then we wouldn't have the
>>>opportunity to look at 19.Qxd1. And if 16.O-O-O is too hard, then try 17.d5 and
>>>19.Qxd1.
>>>
>>>Here's the position from 17.d5, Amateur, on a p4 2.8ghz:
>>>
>>>[d]r3k1r1/p2n1ppp/1pp1p3/8/P1NP2Q1/2B3P1/1P6/2KR1B1q w q - 0 17
>>>
>>>12 111 5543 19661523 d5 cxd5 Bh3 Qh2 Nd6 Ke7
>>>13 109 7269 25641213 d5 cxd5 Bh3 Qh2 Nd6 Ke7 Nxf7 Nc5 Bb4 Re8 Ng5 Kd7 Rxd5 Kc6
>>>Nf3 Qh1 Rd1
>>>14 200 19349 67027183 d5 cxd5 Bh3 Qxd1 Qxd1 dxc4 Qd6 Rd8
>>>
>>>Note: the move 19.Qxd1 (not Kxd1) is critical in the above line.
>>
>>Here's what CM_SKR says on an AMD 2500+ for each of the three positions you ask
>>about:
>>17. The King never considers d5, and eventually decides upon Qe2 over Be2
>
>Through backwards analysis, d5 appears to be the move. Does CM9000 support the
>ability to do backwards analysis? I'm not sure.
No, it does not. The King clears its hash tables with every change in the game
position.
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.