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Mine finds easily! Analysis by Crystal 110920: 1.Kg2 Rg7 2.Kf3 Rgh7 3.Ke4 Rg7 4.Kd4 Rhh7 5.Kc5 Kf8 6.Kb6 Kg8 7.Kxa6 Kf8 8.Kxa5 Rg8 9.Kxa4 Rgg7 10.Kxa3 Rh6 11.Kb4 Rgh7 12.a4 Rg7 13.Kc5 Kg8 14.Kb6 Kf8 15.a5 Kg8 16.a6 Kh7 17.a7 Rg8 18.a8Q Rf8 19.Kc7 Kg8 20.Qa1 Rh7 21.Qe5 Rh6 22.Kc8 Kh7 23.Kd8 Kg8 24.Q...

I use the Polyglot random numbers for my Zobrist hashing for the following reasons: 1. they already exist, why reinvent the wheel. 2. the position hash will always match what the polyglot books require for lookup, so there isn't any further regeneration of another hash needed to probe the book. 3. ...

Is Chest available for free or commercial? What do Chest say in a modified Szen position -> [d]1k6/5ppp/5p2/8/8/2P5/PPP5/6K1 w - - 0 1 FEN: 1k6/5ppp/5p2/8/8/2P5/PPP5/6K1 w - - 0 1 Komodo-10.2-64bit: 29 01:39 1.190.601.016 12.017.366 +250,00 a2-a4 Rb8-b7 c3-c4 Rb7-a6 c4-c5 Ra6-b7 a4-a5 f6-f5 b2-b4 f...

I use the Polyglot random numbers for my Zobrist hashing for the following reasons: 1. they already exist, why reinvent the wheel. 2. the position hash will always match what the polyglot books require for lookup, so there isn't any further regeneration of another hash needed to probe the book. 3. i...

Here is one from your unsolved file. 5N2/5p2/BBpNpK2/P2kP3/2p2P2/2p5/2pPbPP1/2r3nn w - - It has two solutions, neither which is the published move of (d3). Once H6 figured out there were 2 solutions, I started it again with MPV=3 to make sure it wasn't a triple. Very tough even to find one mate for ...

I think more RAM would help my system the most, I only have 32Gb and use 16Gb for hash as I've found that the engines are still eating up a LOT more memory than that. I think having all the TB files open is the culprit, but I haven't proved that yet. I have a lot of RAM on my workstation and I was ...

Not really what you're asking but with the 7-piece TBs SF solves it in seconds. I suppose other programs would too. I can't tell you in how many moves because I only have WDL 7-piece TBs. Well, H6 found it pretty darned fast with Nalimov 6, so, I would assume any engine with Syzygy 7 would too. I d...

I had this position... 5R2/8/7P/p7/6P1/5K1b/1kP5/4r3 w - - 0 1 ... in my list of unknowns and it seems to have come from the ECE3 test suite, at least that is what Dann provided over a decade ago at this site: http://www.open-aurec.com/wbforum/viewtopic.php?t=49223#p185631 Well, the first move (Rb8+...

After Dann mentioned in another thread the list of FENs which can be found here... https://github.com/sylvinus/chessathome/blob/master/test/public/positions/epd/holmes.epd I ran across one entry that is just basically, well, WRONG. The entry in question is: 1K6/8/2p4p/5p2/1P3P1k/4pP1p/4P2P/8 w - - b...

Here is one place to find the test set: https://github.com/sylvinus/chessathome/blob/master/test/public/positions/epd/mg.epd This epd is NOT included in your link. :o I don't understand what that means. Yes, I believe that l have that list and yes, that is where it came from. Good analysis by the o...