Author: Ferdinand S. Mosca
Date: 13:46:50 06/12/02
While studying king and pawn ending, I have met this position. Both sides have protected passer, Black's rook is passive while white's rook is looking for weakneses. There is however a nice temporary sacrifice by white that is hidden, which brings the game to a won king and pawn game for white. The resulting KP game is not that easy to evaluate for many programs since either side has no passer, white's king is far from the center, white's pawn at a5 appears to be somewhat over extended and black's pawns are more advanced. There is at least 2 solution to this setup, first is to bring the rook to b-file which can simultaneously attacks both the black's king position and the backward black's b-pawn. The second solution is a more straight forward human touch, 51. Rxg7 that was played by the great GM Kasparov way back in 1998 on a simultaneous exhibition game against Groshenny. From initial test of some free engines only Yace can do 51. Rxg7. I have no Fritz 7 and Hiarcs 8 at the moment, will somebody also post the analysis of this two strong engines? Regards, Dinan [D]6R1/1p1r2p1/p3k1Pp/P2pP2K/2pP4/2P5/1P6/8 w - - 0 51
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