Search found 17198 matches

by hgm
Sat Oct 20, 2018 6:44 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: easy move?
Replies: 13
Views: 479

Re: easy move?

I think it's more a concern that the effort to save time/shorten opponents ponder-time will end up being at the cost of a blunder. You can say exactly the same thing for any reduction in the search. Yet we know that reductions pay off, and that a fixed-depth search is crap. Because compared to a se...
by hgm
Fri Oct 19, 2018 6:20 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: easy move?
Replies: 13
Views: 479

Re: easy move?

I guess one of the reasons people think that easy move is not worth it is that they only test in ponder-off games. Spending a lot of time on an easy move in a ponder-on game is giving the opponent free thinking time on a guaranteed ponder hit. Of course some variants have more easy moves than others...
by hgm
Wed Oct 17, 2018 3:29 pm
Forum: Computer Chess Club: General Topics
Topic: PyChess 0.99.1
Replies: 11
Views: 1596

Re: PyChess 0.99.1

This is indeed what I expect to work. The problem with Python is that every version seems to install itself in a different directory, so that WinBoard cannot automatically invoke it based on the extension of the 'engine executable', as it does for Java (.jar) files.
by hgm
Wed Oct 17, 2018 1:22 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: UTIL: PGN Translator already written?
Replies: 2
Views: 242

Re: UTIL: PGN Translator already written?

Looks like German (but it could be that Swedish is the same). WinBoard has an option -pieceNickNames that can be used to define a set of alternative IDs during SAN or FEN parsing. E.g. specifying -pieceNickNames ".SLTD..sltd." would make it recognize S as Knight, L as Bishop, etc. It would still rec...
by hgm
Tue Oct 16, 2018 8:10 pm
Forum: Computer Chess Club: General Topics
Topic: Command line tool to output round-robin pairings?
Replies: 6
Views: 245

Re: Command line tool to output round-robin pairings?

Not that I know. But the algorithm is extremely simple. After you make arbitrary first-round pairings, for each next round you shift the left column on place down, and the right column, except the last player, one place up. The players that shift out of the range move to the position left open in th...
by hgm
Mon Oct 15, 2018 6:47 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Winboard nodes display
Replies: 3
Views: 284

Re: Winboard nodes display

That is very ancient history, and not much from that time has survived.
by hgm
Sun Oct 14, 2018 2:52 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: On-line engine blitz tourney October
Replies: 14
Views: 1109

Re: On-line engine blitz tourney October

It was an amusing game. NEG ended up with big material advantage but failed to mate. Yeah, I had a look at it. Amazing that NEG could give that away. Normally the preference for checking with a new piece is enough to force mate with a large material advantage. The most obvious weakness of NEG is th...
by hgm
Sat Oct 13, 2018 10:18 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: On-line engine blitz tourney October
Replies: 14
Views: 1109

Re: On-line engine blitz tourney October

@Roller: Oh, I was still there, but only saw the NEG-Roller game and your message after you left. NEG has no search; it counts attackers and defenders of each square, and uses a simple heuristic to give a value of the capture to that square (assuming you gain the full value of the victim if it is un...
by hgm
Sat Oct 13, 2018 9:59 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: On-line engine blitz tourney October
Replies: 14
Views: 1109

Re: On-line engine blitz tourney October

But limiting it to LxH and equal captures could be a good idea. Can't do that as that it's semantic knowledge :) I guess you can disguise it as a game move, though: suppose you alter the game such that instead of just starting to moves, the players decide on a strategy first, and only then start mo...
by hgm
Sat Oct 13, 2018 9:25 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: On-line engine blitz tourney October
Replies: 14
Views: 1109

Re: On-line engine blitz tourney October

:Tourney Players: Round 9 of 9 : : Name Rating Score Perfrm Upset Results : ----------------- ------ ----- ------ ------ ------- : 1 -Berta [2006] 12.5 [2183] [ 107] +09w +16w +06b =02w =03b +04w +05b +11b =07w : 2 +ArasanX [2088] 11.5 [2096] [ 0] =03w +12b +18w =01b =06w =05w +16b =04w +09b : 3 +S...