Author: Dieter Buerssner
Date: 04:08:56 01/02/03
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On January 01, 2003 at 11:41:37, Roy Brunjes wrote: >I came across this endgame in a software course I am using for chess training. >I gave the position to Hiarcs 8, Junior 7, and Chessmaster 9000 and they seem to >miss the point. I am wondering what Fritz 8 and Shredder 7 have to say about >it. > > 5k2/7p/6p1/1p3p2/2r2P2/5P2/PP5P/5K1R b - - > >In this position, with Black to move, Rc2 is the stated best move. I have no >argument with that and neither do any of the programs I tried. The rub comes >after this: > >1. ... Rc2 >2. Rg1 > >Which gives this position: > > 5k2/7p/6p1/1p3p2/5P2/5P2/PPr4P/5KR1 b - - [corrected side to move] > >Now White is attempting to activate his rook. Programs I have tried (listed >above) all want to play 2. ... Rxb2 after searches running for 3-4 minutes >(admiteddly on my slow PIII 500 MHz laptop). This leads to a much more >difficult ending that Hiarcs 8 was unable to win against me (and I'm a Class C >player) at a time control of 10 mins + 10 secs per move. That tells me that the >move Rxb2 is probably not best. What did you play after Rxb2? Yace switched after a good hour from Rxh2 to Rxb2. Rg2 RxR KxR leads to a won pawn endgame for black. Regards, Dieter
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