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Subject: Re: WAC question

Author: James Robertson

Date: 11:29:47 08/03/99

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On August 03, 1999 at 00:42:56, Peter Kappler wrote:

>On August 02, 1999 at 22:56:11, Dann Corbit wrote:
>
>>I am pounding the stuffings out of this position, and will give the result in
>>the morning.
>>
>>In the end, it will still take a chess expert to decide who is telling the
>>truth.
>
>
>Both moves are winning.  Rd8+ is certainly the simpler move, as it wins the
>queen immediately, but Qd3 is just as strong, forcing Black to give up the queen
>to avoid mate.
>
>After Qd3, the immediate threat is Qd8 mate.  If Black stops this with Be7,
>White just mates with Qd7+ Kf8 Qc8+ Bd8 Rxd8+ Qe8 Rxe8 mate.  If Black plays Kf8
>then Re2 threatens both the queen on e2 and a mate on d8.
>
>This position is not a slam dunk for White, and he still needs to play very well
>to win.  (Q+4pawns vs R+B+4pawns is not a piece of cake...)  For this reason, I
>prefer Rd8+, since it forces the Black king to a more exposed square.
>
>Still, the suite should be modified to list both Rd8+ and Qd3 as solutions.
>
>--Peter

My program and Crafty 16.11 think black's best reply to Qd3 is f5. I know my
program likes this because it thinks black is even more exposed than on d8. What
is your opinion?

James



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