Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: WAC Corrections

Author: Alex Szabo

Date: 16:59:29 04/12/01

Go up one level in this thread


On April 12, 2001 at 15:24:21, Gian-Carlo Pascutto wrote:

>On April 12, 2001 at 13:24:02, Dann Corbit wrote:
>
>>>	#296		Rd8-d4			DELETE book solution
>>>			Bc6-d7			correct solution
>>
>>I have:
>>3r4/1p2k2p/p1b1p1p1/4Q1Pn/2B3KP/4pP2/PP2R1N1/6q1 b - - bm Rd4+ Rf8; id
>>"WAC.296";
>>This one is pretty topsy-turvy compared with your notes.  Hence it will need
>>analysis and verification.
>
>Rf8 and Bd7 win
>
>I get the following nice PV after Qc5+ Ke8 Qe5:
>
>depth=7 -8.56 3. ... Qh2 4. Qh8+ Ke7 5. Qxh7+ Kd6 6. Qxg6 Qg3+ 7. Kxh5 Rh8+ 8.
>Qh7 Rxh7+ 9. Kg6 Rxh4 10. Nxh4 Be8+ 11. Kg7 Qxg5+ 12. Kf8 Qxh4 13. Bxe6 <HT>
>
>after a while it picks f4 instead of Qc5+:
>
>depth=8 -5.65 2. ... Qh2 3. Qxe3 e5+ 4. Kf3 Qg3+ 5. Ke4 Bc6+ 6. Kxe5 Qg4 7. Qc5+
>Ke8 8. Qd6 Rxd6 9. Kxd6+ Kd8 10. Re7 Qxg2 11. Rxh7 Qd2+ 12. Ke5 <HT>
>
>after your recommended Kh3 I get:
>
>depth=8 -19.65 2. ... Qh1+ 3. Kg4 Qh2 4. Bb5 Qxe5 5. f4 Qxb5 6. Rc2 Qf5+ 7. Kf3
>Qxc2 8. Nxe3 Qxb2 9. Nc4 Qxa2 <HT>
>
>>>
>>>#296	Rd4+ does NOT win.  The main line is,  1... Rd4+  2. Qxd4 Qh2
>>>	3. Bxe6+! Ke7  4. Qb4+ Ke8  5. Qe1 Bb5  6. Rc2 e2  7. Rc8+ Ke7
>>>	8. Qb4+ Kxe6  9. Qe4+  and white will draw by perpetual check.
>>>
>
>Rd4 Qxd4 Qh2 Bxe6 and I see no check so Qg3 mate follows
>
>--
>GCP

Stop the analysis!  We haven't agreed on the correct position yet!
The book has the black king on f7 (NOT e8).  Please check the book.

The correct position is:

[D]3r4/1p3k1p/p1b1p1p1/4Q1Pn/2B3KP/4pP2/PP2R1N1/6q1 b




This page took 0.01 seconds to execute

Last modified: Thu, 07 Jul 11 08:48:38 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.