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What is your criteria for entry into the list? It's a long story as you could follow here : http://talkchess.com/forum3/viewtopic.php?t=64914 I hold hardest and deleted incorrect puzzles over time. Recently I added some positions that still can trick recent LMR engines. Example : Qh5+!! mate in 8. ...

besides lots of hash, syzygy, and threads, what other setting maximize finding mates the quickest? It depends on the position and how deep the mate is, how many pieces are left on the board - Crystal and Matefinder by Joe Ellis are better at finding mates. For human play - Bluefish is my favorite. ...

Is there any comparison with a recent vanilla Stockfish in strength? I was thinking to put this engine on my website. I have no issues, but please also provide the link the source. And you may also link directly to the Github release page where the exe's are located if you wish ( which would be my ...

1. Nd5 💣 8/p7/1pp3b1/4p3/P3P1P1/2N1k2p/2B4K/8 w - - 0 0 8/p7/1pp3b1/4p3/P3P1P1/2N1k2p/2B4K/8 w - - 0 1 Analysis by Honey XI-r1 FD: 24 threads of 12x3GHz CPU, 16G hash (max. with Win7x64) Contempt 24 Both, Deep Pro Analysis checked 1.Lb3 c5 2.a5 bxa5 3.Ld5 Kd3 +/- (0.74) Tiefe: 7/12 00:00:00 451kN ....

There is now! https://github.com/MichaelB7/Stockfish/releases/tag/Xi-r1 Thanks a lot! The modern compiles of all of of the engines can't use more than 16G hash at Win7x64.. At 32 they cause exception but only with more than 1 thread. Nevermind, r1 ist tactically very strong. Win 7 home or pro?

To Mike: I notice in the downloads that you have a threadripper build. I have found that (at least for long analysis periods) the builds with znver2 are not as fast as my ordinary modern builds. Did you do some customization, or is it just Honey that benefits? I'm not using znver1 or znver2 , did n...

What is with the command >s h 4096< It's NOT in the List. And why after s h appears >info string Hash LargePages 4096 Mb< ? I think lp is the command for large pages? ... s dpa true Confirmation: Deep_Pro_Analysis set to true s h 4096 <<<<<<<<<<<<<<<< info string Hash LargePages 4096 Mb <<<<<<<<< C...

Thanks Mike. Any executables available ? There is now! https://github.com/MichaelB7/Stockfish/releases/tag/Xi-r1 Windows, Mac Linux Mac and Linux have officially dropped 32 bit support and so have I. The base windows 32 bit and 64 bit versions are compiled for the lowest common denominator systems....

https://github.com/MichaelB7/Stockfish/archive/honey.zip a modest 5 to 7 elo gain, but now with some of the HekaStockfish presearch code, modified, which I have labeled profound. The profound (presearch) code does a much wider search early on - I offer two profound settings and they are both simply ...

Hey Mike, do you happen to have a branch up with this new multi-pv code? I would like to study it a little :). sure - it's almost final, I just have to push it from my local to Github. At first , I was not going to make 'Profound' the default for Black-Diamond, but I changed my mind. As I believe y...