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Is this faster than your fixed shift approach introduced one year ago? http://www.talkchess.com/forum3/viewtopic.php?t=66538 Hi, Gerd. The only thing for sure is not slower. To be more precise, more tests are needed to select computational functions for a specific compiler. Ideally, an assembler is...

The value of a draw can be dependent on circumstances outside the game. Such as results of previous games in a match. If you can only be aware of 'expected average result', there is no way to distinguish between risky ways to get a better result and risk-free ways. I distinguish equal position from...

const U64 r_magic[64]= { 0xd1800040008053ea,0xd48020004000f383,0xd700084020013500,0xd600084022007292, 0xd500080003009331,0xd600020008049b50,0xd50001000400fa00,0xd10000810000d3e6, 0xd64c80004000a39b,0xda03004000806f01,0xd802001022004b80,0xd802001020408e00, 0xd81880430a087ffe,0xd82900080c00ab00,0xd84...

I think Twitch is best solution.

Did not have time to compile new better version.
Is it possible to replace now?

С новым годом, с новым Греко! ))

D Sceviour wrote: ↑

Mon Dec 31, 2018 4:51 pm

This a very fast way of finding the en passant square for either move color. I have never seen the use of XOR (sq ^ 8) in any other code before. Is Xiphos the first to use this?

No, is ordinary.

Perfect KRK ))

Most of my testing is for CCRL 40/40 1CPU and 4CPU. I only run the 8CPU tourneys and matches occasionally, but even though I try to give most engines a run, I just get the impression that 8CPU testing is no longer something special. My main motivation for testing has always been personal enjoyment ...

ker2x wrote: ↑

Wed Nov 21, 2018 9:57 am

Aldus wrote: ↑

Tue Nov 20, 2018 12:50 am

He has a very funny accent.

Russian accents are the best

Grischuk and Kramnik best Russian accents ever.