Search found 158 matches

by elpapa
Wed Jul 06, 2016 4:43 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Disappointing Null Move search
Replies: 15
Views: 3558

Re: Disappointing Null Move search

The score returned from the search is from black's point of view, right? In that case don't you need to swap the sign before comparing it to beta? Like this:

Score := -BlacksScore(Beta - 1, Beta, Depth - 3, $8, False);

Or maybe I'm just confused because I'm used to negamax.
by elpapa
Mon Jun 06, 2016 12:31 pm
Forum: Computer Chess Club: General Topics
Topic: Reger chess engine 0.10 date unknown
Replies: 3
Views: 704

Re: Reger chess engine 0.10 date unknown

"This app can't run on your PC"

Win 10 x64
by elpapa
Thu Oct 08, 2015 10:16 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Verification of pruning techniques
Replies: 68
Views: 14182

Re: Verification of pruning techniques

I suppose 'checks' here means that you are in check in the current node, so that this move really is an evasion And the code in question is !(checks | child->checks ... You clearly state in the quote above that you think this code is written to activate when the side to move is in check and thi...
by elpapa
Fri Aug 28, 2015 5:45 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Best chess piece images
Replies: 20
Views: 2779

Re: Best chess piece images

I don't know the RGB values, but something like this:

http://www.benjaminmoore.com/en-us/pain ... /deserttan

Below the picture, where it says 'goes great with' there's a medium brown color. Maybe that combination could work.
by elpapa
Fri Aug 28, 2015 5:23 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Best chess piece images
Replies: 20
Views: 2779

Re: Best chess piece images

And what would be best color for the chess board. Don't tell me it is some kind of blue or green for I want my chess board to look a bit like wood. It's like you're aging backwards. You need help picking colors now? Yes I don't know which one is best. I hope I can sleep tonight. Might also be that ...
by elpapa
Fri Aug 28, 2015 4:42 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Best chess piece images
Replies: 20
Views: 2779

Re: Best chess piece images

Henk wrote:And what would be best color for the chess board. Don't tell me it is some kind of blue or green for I want my chess board to look a bit like wood.
It's like you're aging backwards. You need help picking colors now?
by elpapa
Wed Aug 26, 2015 10:28 pm
Forum: Computer Chess Club: General Topics
Topic: Windows 10 Experience
Replies: 79
Views: 19802

Re: Windows 10 Experience

Henk wrote:what if you have a password with special characters and your keyboard is not working perfectly at that moment
This is why I never buy shoes. What if my feet suddenly swell up and they won't fit me anymore.
by elpapa
Wed Aug 26, 2015 10:12 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: The occasional victory
Replies: 14
Views: 1582

Re: The occasional victory

mar wrote:While this is nice, what's the point?
I mean I could post 10 wins against Critter, neglecting the fact that way over 50% games were actually losses..
He didn't neglect that fact, though.
by elpapa
Wed Aug 26, 2015 5:05 pm
Forum: Computer Chess Club: General Topics
Topic: TCEC math problem - pts needed to guarantee advance?
Replies: 6
Views: 1265

Re: TCEC math problem - pts needed to guarantee advance?

Norm Pollock wrote:My answer = 8.5 pts. Comments?
I also get a maximum of 56 points to share between the top 7. I guess it gets more complicated to calculate this after a number of rounds have already been played.
by elpapa
Wed Aug 26, 2015 11:54 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Hash Refutation
Replies: 35
Views: 7773

Re: Hash Refutation

if ((bucket->score[slot]<beta)
&& (bucket->flags[slot]=LOWER)
&& (depth-bucket->depth[slot]>5)
&& (checker=0))
{
...
}