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Subject: another tablebase question for K vs W

Author: Richard Bean

Date: 02:02:12 09/08/99


Kasparov vs the World is heading towards a K Q P P K Q P
endgame (white: 1 queen, 1 pawn; black: 1 queen, 2 pawns)

I have downloaded the K Q P K Q and K Q Q K Q 5-man
tablebases & all the 4 man ones.

Are these the two most useful 5 man ones by a long way for this game,
or should I be getting more?

As I see it (please correct me if I'm wrong)
we can go to the 2 5-man endings above, plus

K P P K Q - usually easy win for Q - Black's pawns are not advanced
K P P K P - will go back to K Q P K Q / K Q Q K Q very fast
K Q P K P - usually easy win for Q & P.

For people, especially, who have looked at the game,
do you think any of the three above are especially
useful, is my reasoning wrong?

Also, I assume K Q {N, B, R} K Q is pretty useless here
as it is only used in the generation of K Q P Q P -
and we only need to avoid lost positions?

Thanks for any help

Richard



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