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Subject: Can your program find Rxg2?

Author: Uri Blass

Date: 15:12:27 04/27/02


The following position is from my last game

[D]6k1/RR4p1/5p1p/4p3/8/P7/4rrPP/3K4 b - - 0 31

I played 31...Rxg2 and after 32.a4 Ra2 my opponent resigned.



After the game he said that he needed one more tempo.

I said that I was lucky because I saw the idea of Rxg7+ that almost win the game
only after I played 31...Rxg2.

I played 31...Rxg2 fast because the move seemed to be almost forced(I did not
like the idea of Rd2+ Kc1 and the idea of Ra2 with the double mate threat is
gone)

I also said in the anlaysis that the best was still 32.Rxg7+ Rxg7 33.Ra8+
inspite of the fact that white is losing after 33...Kf7 34.Kxe2 Rg2+ because in
the worst case black will need to sacrifice the rook for the a pawn when the
black passed pawns are going to be srtronger than the rook.


I find that some top programs cannot find 31...Rxg2
for black because they do not evaluate correctly the pawn endgame.


Uri



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