Author: Sune Fischer
Date: 16:31:24 01/01/03
Go up one level in this thread
On January 01, 2003 at 18:58:10, Uri Blass wrote: >On January 01, 2003 at 18:30:19, Dieter Buerssner wrote: > >>On January 01, 2003 at 15:06:35, Art Basham wrote: >> >>>Interesting End Game Study.. >>>from "Chessboard Magic" >>>by Chernev...1943 >>> >>>2b5/8/3P4/8/B1k5/1N6/2N4b/K7 w - - >> >>Yace, P4, 2.53 Ghz, HTs cleared after every move to give reproducable times. >> >>>1. b3-d2+ c4-d3 >> >>1. Nd2+ after 1 second, score +5 after 4 seconds > >For movei it is even more easy. >2728 nodes to show Nd2 in the pv. Frenzee v.140g is even faster: 1147 nodes to find 1. Nd2+ Ke3 in the pv. (you don't count nullmoves either?) >> >>>2. c2-e1+ d3-e2 > > >> >>2. Ne1+ immediately, score +6 after 4 seconds > >Ne1+ is shown from the first iteration. second iteration, but still only 245 nodes >> >>>3. a4-b5+ e2-d1 > >12581 nodes to converge to Bb5+ 309 nodes, 2nd iteration. >>3. Bb5+ immediately with score +5 >> >>>4. d6-d7 c8xd7 >> >>4. d7 immediately with score +6.7 > >5804 nodes for d7. d7 in 499796 nodes, 1.3 sec, score 6.23 >> >>>5. b5xd7 h2-e5+ >> >>5. Bxd7 immediately with score +6.7 (this one is very easy, of course) > >Bxd7 immediately yes, 3 nodes. >>>6. a1-b1 e5-c3 >> >>6. Kb1 immediately, score +7 > >Kb1 from the first iteration yes, 3 nodes again (but this time lucky move ordering I think) >>>7. d2-e4 c3xe1 >> >>6. Ne4 immediately, score +7 > >Ne4 from the first iteration. Ne4 in 633 nodes, 3rd iteration. -S. >Uri
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