Author: Bruce Moreland
Date: 17:04:43 03/04/98
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On March 04, 1998 at 12:31:11, Howard Exner wrote: >On February 23, 1998 at 10:58:22, Amir Ban wrote: >>No. 712 (Nxg2): >> >>This is bad: 1...Nxg2 2.Nxb7. A nice refuation on the opposite side of >>the board. >> >>Recommend: Drop it. > >yes Mine gets this, it thinks Nxg2 is best, but it is going for a draw, so this hinges upon a positional evaluation of the position, which is a case that I want to avoid. >>No. 718 (Rxg7+): >> >>How is this supposed to work ? I see: 1.Rxg7+ Bxg7 2.Rg1 Rc8 3.Bxe4 Kf8 >>4.Rxg7 b3! how does white improve on this ? >> >>Recommend: Investigate. > >[FEN "r4rk1/5ppp/p2pbb2/3B3Q/qp2p3/4B3/PPP2P1P/2KR2R1 w - - 0 1"] > >1. Rxg7+ Bxg7 2. Rg1 Rfc8 3. Bd4 Kf8 4. Rxg7 b3 Note the big book >blunder >Bd4 missing Qxc2 mate! Drop this one for sure. Mine finds this, too, but the score is about equal when viewed from the root. The line it finds is 1. Rxg7+ Bxg7 2. Rg1 Rfc8 3. Rxg7+ Kxg7 If I let this go for a few minutes I end up with a long line starting with Qh6+, with a score of +1. If I follow it out, white ends up ahead a pawn in a QB vs QB ending. Not as decisive as I'd like, but there it is. bruce
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