Author: Len Eisner
Date: 08:36:10 01/10/99
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On January 10, 1999 at 06:26:53, Amir Ban wrote: >On January 10, 1999 at 01:32:03, Len Eisner wrote: > >>I reached this position in a game against Junior 5 and Junior played hxg? which >>loses to Qf5!. How did Junior miss fxg holding the position? It seems like an >>obvious tactical mistake. >> >>1rq1r1k1/2p1bpp1/p1Qp4/3Np3/1PP3b1/P2PP1p1/3B1P1P/R1R3K1 w - - 0 1 >> >>Len > > >It's not that obvious, is it ? I see the continuation (1. hxg3) 1...Qf5 2. Qxc7 >Bf8 3. e4 Qh5 4. f3 Bxf3 5. Ne3 and black is better, but not winning. The black >pieces on the back rank are very passive, and if white gets a rook on f1 or h1, >he'll make trouble. > >I don't think Qf5 is specifically difficult for a computer. A human would have >to think about Qf5 very carefully too. > >Amir Amir, Thanks for taking a look at the position. After Qxc7 I thought that Bf3! was winning for Black. By the way, Junior is a GREAT program. Sometimes us humans get lucky! Len
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