Author: blass uri
Date: 14:24:18 03/10/00
Go up one level in this thread
On March 10, 2000 at 16:36:09, G. R. Morton wrote: >On March 10, 2000 at 15:33:16, Mike S. wrote: > >>I have pasted the wrong FEN string, sorry. I hope it's all ok now. >> >>On March 10, 2000 at 15:28:01, Mike S. wrote: >> >>>[D]8/p1r2R2/1p1k4/7p/8/3P4/PP4K1/8 w - - >>>Shredder 3, on a K6-2/400 with 12 + 4 MB hash (no TB's) switches to Rf5 after >>>2:45, here is the log: >>> >>> 8.01 0:00.38 -0.27 2.Txc7 Kxc7 3.Kh3 Kd6 4.Kh4 Ke5 5.Kxh5 Kd4 6.Kg5 Kxd3 >>>7.Kh4 Kc2 (47.905) 124.4 >>>(...) >>>14.01 0:22.14 -1.62 2.Txc7 Kxc7 3.Kh3 Kd6 4.Kh4 Ke5 5.Kxh5 Kd4 6.Kg5 Kxd3 >>>7.Kf5 Kc2 8.b4 Kb2 9.b5 Kxa2 10.Ke5 (2.529.945) 114.2 >>>14.03 2:45.70 -1.61++ 2.Tf5 (15.096.562) 91.1 >>>14.03 3:57.63 -1.60 2.Tf5 Tc2+ 3.Kf3 Txb2 4.a3 Ta2 5.Ke4 Txa3 6.Txh5 Ta1 >>>(20.829.482) 87.6 >>> >>>But the evaluation is only 0.02 better so far. > >Its disappointing that shredder changes its mind only after nearly 3 minutes >when it is easy to see that RxR loses simply. Now I wish someone would answer >the question about the …Rc8-c7 Zwischenzug . It is known that programs are weak in some endgames but Rebel won 2 endgames with rooks and opposite colour bishops against humans. shredder also saved a bad endgame with one pawn disadvantage against a GM in the Israeli league. You are right that computers are weak in very simple endgame if they are not too simple to be solved by tablebases but they may be strong in more complicated endgames when both sides have rook and bishop or rook and knight. Uri
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