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Hello all, I've been getting into computer chess again after a long hiatus due to family responsibilities. Raising 3 children on your own is tough work, so if you had a single Parent at any point in your life, thank them for putting you first before everything. On a side note, where did all these 3...

According to talkchess posts, Houdini was sponsored by an Arab Sheikh. I don't have any direct knowledge of that. I thought that was Hydra. They did that one too. Don't think it was Houdini. It was a program by Chrilly Donninger. Houdini has not participated in the usual computer chess tournaments,...

The board can be any size? What kind of bitboards are those? Can the code not even assume a particular board size? So I'm not really sure what you mean, but I'll just focus on chess. Shouldn't this work (in SF terminology): bool has_square(bitboard b) { b &= shift<EAST>(b); b &= shift<NORTH>(b); ret...

I have been looking at a quirk for a good while the last couple of days. First, here is the troubling position: [D]8/8/8/kPK5/p7/8/1P6/8 w - - ... What am I doing wrong here or is there a bug in this fairly old code for handling your endgame tables? This dates back to 2016 or so, so anything is pos...

bob wrote: ↑

Sun Aug 11, 2019 2:21 am

What am I doing wrong here or is there a bug in this fairly old code for handling your endgame tables? This dates back to 2016 or so, so anything is possible.

If I am not mistaken, crafty uses the Fathom library. That's where the bug seems to be. Upgrading that code hopefully will help.

By far the majority of the conversions from one EGTB to another occur by a piece being removed from the game due to capture. A quick look at game databases shows something like 85%+ will convert by captures. Just as chess is about reaching a winning pawn endgame, so are pawn endgames about getting ...

By far the majority of the conversions from one EGTB to another occur by a piece being removed from the game due to capture. A quick look at game databases shows something like 85%+ will convert by captures. Just as chess is about reaching a winning pawn endgame, so are pawn endgames about getting ...

By far the majority of the conversions from one EGTB to another occur by a piece being removed from the game due to capture. A quick look at game databases shows something like 85%+ will convert by captures. Just as chess is about reaching a winning pawn endgame, so are pawn endgames about getting ...

I think they should move to standardise at a longer time control. At least give it a try. How can that be given a try? It would mean that vastly fewer tests can be run. Less tests does not mean less elo. I believe it is better to have less tests at longer time control in order to improve long time ...

Modern Times wrote: ↑

Sun Aug 04, 2019 2:02 pm

I think they should move to standardise at a longer time control. At least give it a try.

How can that be given a try? It would mean that vastly fewer tests can be run.