Author: blass uri
Date: 22:58:25 03/01/00
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On March 02, 2000 at 00:22:15, John Coffey wrote: >With the position > >White King on a1 and white rook on a4 > >Black pawns on a3 and b3. Black King on c3 and Black knight on c4. > >My opponent and I thought that black could have won with 1. ... b2+ >2. Ka2 Nd2 where 3. Rxa3+ would fail to Kc2 winning. But 3. Rb4!! draws. > >Fritz 5.01 takes a remarkably long time to realize that this is a draw. After >3 minutes on a Pentium III 450 mhz it still thinks 1. .... Kd3 2. Rb4 Kc3 3. >Ra3 repeating >the position but Fritz still thinks -+ with a score of -1.59 [D]8/8/8/8/R1n5/ppk5/8/K7 b - - 0 1 Fritz5 is blind in this position. fritz5 cannot see a simple repetition but the position is not very simple for computers It is simple for them to see that b2+ does not win and that 1...Kd3 2.Rb4 Kc3 Ra4 is a draw but they need more time to see that lines like Ne3 leads to a draw. programs usually can see the draw after less than 3 minutes on pIII450 Uri
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