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LC0 is weak at tactics. But it knows that, and has learned it should better avoid tactically complex positions. Has it really learned that? That would mean it evaluates positions asymmetrically. Do we know that it does that? Conventional engines are good at tactics. But they are not aware of that. ...

Thanks again and for your patience. I'm using Stockfish and have removed the cache setting. I tried disabling the windows paging file but the computer has problem starting up. So I have had to leave the windows paging file back on and have increased the HASH to 14GB and re-tested. Seems fine, but c...

I was even having issues with 6-piece tb prior to this. My solution for 6-piece on my machine is to set my HASH to 9 GB, and the cache setting to 1 GB. (Leaves 8GB of the 9GB HASH for the machine to work well.) I'm not sure what you mean by "cache setting". If this is about the Nalimov cache (don't...

Henk wrote: ↑

Tue Aug 20, 2019 10:00 am

One should have created a money machine first before spending dollars on research.
Otherwise it won't work.

So that's what Google did.

Hi all thankyou very much. Yes it does appear that the main issue is far too little RAM. I've learnt a few things. Many thanks for all the help. Regards. In addition to increasing SyzygyProbeDepth, you could try disabling the Windows pagefile (which I suppose is on the non-SSD C drive). Most likely...

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.