Search found 166 matches

by konsolas
Thu Jun 13, 2019 8:39 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Explanation of the Cute Chess message 'connection stalls'
Replies: 12
Views: 336

Re: Explanation of the Cute Chess message 'connection stalls'

Do you implement UCI or Xboard?

Your engine needs to respond to the appropriate protocol's "ping" command.

In the case of UCI, you need to respond to "isready", even if you are searching.
by konsolas
Thu Jun 13, 2019 7:42 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Explanation of the Cute Chess message 'connection stalls'
Replies: 12
Views: 336

Re: Explanation of the Cute Chess message 'connection stalls'

Your engine is probably crashing.

Try entering one of the positions where "the connection stalls" manually into your engine to see if it exits or does something strange.
by konsolas
Sun Jun 09, 2019 9:11 pm
Forum: Computer Chess Club: General Topics
Topic: New engine releases 2019
Replies: 193
Views: 29507

Re: New engine releases 2019

Topple 0.7.0: https://github.com/konsolas/ToppleChess ... tag/v0.7.0

No more illegal moves?
by konsolas
Sun Jun 09, 2019 6:15 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: is LVA as in MVV-LVA useless ?
Replies: 9
Views: 562

Re: is LVA as in MVV-LVA useless ?

It's strange that SEE is still used to differentiate good captures from bad captures, yet its score somehow isn't useful in ordering the moves.
by konsolas
Sun Jun 09, 2019 6:13 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: max number of pseudo legal move
Replies: 22
Views: 795

Re: max number of pseudo legal move

Even so, the proof game for a position like this would be hundreds of moves and almost certainly beyond the capabilities of a brute force search.
by konsolas
Sun Jun 09, 2019 6:11 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Hash collision?
Replies: 42
Views: 1405

Re: Hash collision?

Although the likelihood of an incorrect cutoff affecting the search in a meaningful way seems small, would it be worth verifying other aspects of the hash entry to reduce collisions? For example, checking that the stored move is pseudo-legal.
by konsolas
Sun Jun 09, 2019 5:52 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Is this hard ?
Replies: 12
Views: 425

Re: Is this hard ?

Yes, Syzygy wasn't used there.

Perhaps it's to do with one of your interior node recognisers? Topple doesn't have any of those yet.
by konsolas
Sun Jun 09, 2019 5:11 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: max number of pseudo legal move
Replies: 22
Views: 795

Re: max number of pseudo legal move

Is that position even reachable from the start?
by konsolas
Sun Jun 09, 2019 4:58 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Is this hard ?
Replies: 12
Views: 425

Re: Is this hard ?

Topple decides on h5 in a few ms and finds a mate a while later. info depth 5 seldepth 8 score cp 427 time 5 nodes 41736 nps 6956000 pv h4h5 f1g1 g4f5 g1f1 f5g6 e7e6 h5h6 info depth 30 seldepth 56 score mate 19 time 423727 nodes 4387405243 nps 10354000 hashfull 999 tbhits 0 pv h4h5 f1f2 h5h 6 e7f8 g...
by konsolas
Sun Jun 02, 2019 10:46 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: gcc and g++ 9 are available for msys2
Replies: 4
Views: 613

Re: gcc and g++ 9 are available for msys2

GCC 9.1.0 generates an executable of pretty much the same speed for me.