Author: Uri Blass
Date: 05:54:34 11/20/02
Go up one level in this thread
On November 20, 2002 at 08:14:52, Odd Gunnar Malin wrote: >On November 20, 2002 at 07:40:57, Darren Rushton wrote: > >>What do most people consider a reasonable resign score to set in a .ini file? >> >>I looked at a few GM games and set Fritz, Hiarcs, whoever to analyse the score >>when resignation occured. >> >>I concluded that between 400 and 500 centipawns is about the point, although >>most programmers set to 700 as a default. >> > >Just a little remark. > >I had the following line in my book: >1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Bc5 5.Bxf7 > >An exotic line in a book build upon some GM games. All GM's played 5.Bxf7 here >as White but when I lunched the engine on ICC I saw that most players would play >5.Nxf7 instead. >Check your engine score here and after the right 5...Bxf2! and see if it will >resign if it play as Black. > >The statistics say 73% score for Black! > >If you also use movecount in the resign algorithm you could adjust the resign >score based upon opponent rating instead of having it constant. >There is two factors to consider: You don't want to resign to fast, and you >don't want to bother your opponent so that he don't comes back to play against >your engine. > >Odd Gunnar Analysis by movei after Bxf2+ depth=11 +3.45 e1f1 d8e7 f7h8 f2h4 d2d3 d7d5 e4d5 e7c5 d1e2 c8g4 e2e3 Nodes: 8164098 NPS: 150656 Time: 00:00:54.19 depth=11 +3.45 e1f1 d8e7 f7h8 f2h4 d2d3 d7d5 e4d5 e7c5 d1e2 c8g4 e2e3 Nodes: 17416198 NPS: 154467 Time: 00:01:52.75 depth=12 +3.48 e1f1 d8e7 f7h8 f2b6 d2d3 d7d5 e4d5 e7c5 d1f3 c8g4 f3g3 c6e7 Nodes: 27342733 NPS: 156539 Time: 00:02:54.67 depth=12 +3.48 e1f1 d8e7 f7h8 f2b6 d2d3 d7d5 e4d5 e7c5 d1f3 c8g4 f3g3 c6e7 Nodes: 35572204 NPS: 155486 Time: 00:03:48.78 depth=13 +3.24 e1f1 d8e7 f7h8 f2b6 d2d3 e7c5 d1e1 d7d5 e4d5 f6d5 c4d5 c5d5 b1c3 d5d4 Nodes: 61369731 NPS: 156316 Time: 00:06:32.60 I do not plan to resign at -4 but even with resigning at -4 movei is not going to resign as black here. Note that movei does not have king safety evaluation and I can imagine that with king safety evaluation the score is going to be even less optimistic for white. Uri
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