Search found 3843 matches

by Henk
Thu Jun 27, 2013 6:52 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: "Good ideas" that may not work
Replies: 22
Views: 4943

Re: "Good ideas" that may not work

In my chess program I tried out several "good ideas" that did not improve performance: 1) Mate distance pruning 2) Futility pruning in Quiescence search 3) LMR 4) Hash table ( This I have to try out again) Are there more good ideas that may not work ? I like to have warnings in advance. 5) History ...
by Henk
Wed Jun 26, 2013 12:45 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: "Good ideas" that may not work
Replies: 22
Views: 4943

Re: <°))))><

Volker Annuss wrote:
Henk wrote: I miss detailed descriptions or algorithms of ideas.
Me too. Please show us that you made serious attempts to write a chess engine.
Why ? I'm a troll you know. Don't feed me I'm not hungry.
by Henk
Wed Jun 26, 2013 9:41 am
Forum: Computer Chess Club: General Topics
Topic: Man vs machine - how to beat chess engine
Replies: 119
Views: 49504

Re: Man vs machine - how to beat chess engine

Well, I don´t have statistics because I don´t store lost games (it is too depressive). Anyway, against weaker engines like Fritz, Shredder, Cuckoo chess or Cheng I am able to achieve about 25% of points (playing white). In case of Stockfish it is about 5% points (not wins, distribution is something...
by Henk
Wed Jun 26, 2013 9:05 am
Forum: Computer Chess Club: General Topics
Topic: Man vs machine - how to beat chess engine
Replies: 119
Views: 49504

Re: Man vs machine - how to beat chess engine

If the man has a good day, engine like Shredder may be massacred in miniature game :) [Event "Blitz 5m"] [Date "2013.06.26"] [White "Kvicala, Miroslav"] [Black "Shredder 12"] [Result "1-0"] [ECO "D43"] [PlyCount "41"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 Bb4 ...
by Henk
Wed Jun 26, 2013 8:08 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: "Good ideas" that may not work
Replies: 22
Views: 4943

Re: "Good ideas" that may not work

(...) Are there more good ideas that may not work ? (...) There are hundreds. I find alpha-beta is hopeless if you get alpha and beta mixed up. Even mini-max you can have problems if you forget to alternate between "min" and the "max". Seriously, it's all about the implementation :wink: Steve I mis...
by Henk
Tue Jun 25, 2013 9:39 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: "Good ideas" that may not work
Replies: 22
Views: 4943

Re: "Good ideas" that may not work

zullil wrote:
yolin wrote:I can give you a general warning: Anything that is implemented badly might 'not work'.


:lol: :lol: :twisted:
Some combinations of good ideas may not work
by Henk
Tue Jun 25, 2013 9:23 am
Forum: Computer Chess Club: General Topics
Topic: a position beyond the scope of most top engines....
Replies: 23
Views: 3128

Re: a position beyond the scope of most top engines....

White has less space and centre control
by Henk
Tue Jun 25, 2013 9:08 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: "Good ideas" that may not work
Replies: 22
Views: 4943

Re: "Good ideas" that may not work

In my chess program I tried out several "good ideas" that did not improve performance: 1) Mate distance pruning 2) Futility pruning in Quiescence search 3) LMR 4) Hash table ( This I have to try out again) Are there more good ideas that may not work ? I like to have warnings in advance. 5) History ...
by Henk
Tue Jun 25, 2013 8:05 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: "Good ideas" that may not work
Replies: 22
Views: 4943

Re: "Good ideas" that may not work

In my chess program I tried out several "good ideas" that did not improve performance: 1) Mate distance pruning 2) Futility pruning in Quiescence search 3) LMR 4) Hash table ( This I have to try out again) Are there more good ideas that may not work ? I like to have warnings in advance. 5) History ...
by Henk
Tue Jun 25, 2013 7:17 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: "Good ideas" that may not work
Replies: 22
Views: 4943

"Good ideas" that may not work

In my chess program I tried out several "good ideas" that did not improve performance:

1) Mate distance pruning
2) Futility pruning in Quiescence search
3) LMR
4) Hash table ( This I have to try out again)


Are there more good ideas that may not work ?

I like to have warnings in advance.