Search found 1005 matches

by xr_a_y
Fri Apr 03, 2020 12:01 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Fairy Stockfish
Replies: 5
Views: 190

Re: Fairy Stockfish

Fabian Fichter wrote:
Fri Apr 03, 2020 11:06 am
I just put together a first version of the introduction to the code base, see https://github.com/ianfab/Fairy-Stockfi ... g-the-code.
great !
by xr_a_y
Fri Apr 03, 2020 10:59 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Fairy Stockfish
Replies: 5
Views: 190

Re: Fairy Stockfish

Thanks for your answer !
by xr_a_y
Fri Apr 03, 2020 6:59 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Fairy Stockfish
Replies: 5
Views: 190

Re: Fairy Stockfish

ah got it !

Code: Select all

#ifdef LARGEBOARDS
#if defined(__GNUC__) && defined(IS_64BIT)
typedef unsigned __int128 Bitboard;
#else
struct Bitboard {
    uint64_t b64[2];
    // ...
by xr_a_y
Thu Apr 02, 2020 7:19 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Fairy Stockfish
Replies: 5
Views: 190

Fairy Stockfish

https://github.com/ianfab/Fairy-Stockfish

How does this work ? In evaluation, pst, material, bitboard, movegen, I see nothing obvious about board side, or pieces dropped on the board. Is there some explanation somewhere ?
by xr_a_y
Thu Apr 02, 2020 4:30 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: Video about Kasparov, being wrong ?
Replies: 4
Views: 220

Re: Video about Kasparov

From the start of video it looks to me like the King is on H8, so from with this position and couple second analysis in engine I do get Nxh6 as best move. r3qb1k/1b4p1/p2pr2p/3n4/Pnp1N1N1/6RP/1B3PP1/1B1QR1K1 w - - 0 1 Of course ! That's where I was wrong. although still very far from check mate.
by xr_a_y
Thu Apr 02, 2020 2:42 pm
Forum: Computer Chess Club: General Topics
Topic: Minic version 2
Replies: 12
Views: 668

Re: Minic version 2

Gabor Szots wrote:
Thu Apr 02, 2020 2:09 pm
On the bright side, using the command line to activate syzygy usage has done the desired effect.
Best regards,
Gabor
Good news
by xr_a_y
Thu Apr 02, 2020 1:28 pm
Forum: Computer Chess Club: General Topics
Topic: Minic version 2
Replies: 12
Views: 668

Re: Minic version 2

Using mingw64 (under Windows OS I suppose using cywin ?), the Tools/build.sh script shall be very near to work. I can indeed confirm that the Tools/build.sh script is working quite well under cygwin64, including the profile driven optimized g++ build. Maybe a dos2unix on Tools/build.sh and Tools/bu...
by xr_a_y
Thu Apr 02, 2020 6:11 am
Forum: Computer Chess Club: Tournaments and Matches
Topic: Video about Kasparov, being wrong ?
Replies: 4
Views: 220

Re: Video about Kasparov

jonkr wrote:
Wed Apr 01, 2020 8:41 pm
From the start of video it looks to me like the King is on H8, so from with this position and couple second analysis in engine I do get Nxh6 as best move.
Of course ! That's where I was wrong.
by xr_a_y
Wed Apr 01, 2020 7:38 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: Video about Kasparov, being wrong ?
Replies: 4
Views: 220

Re: Video about Kasparov, being wrong ?

If I see the position correctly this is [d] r3qbk1/1b4p1/p2pr2p/3n4/Pnp1N1N1/6RP/1B3PP1/1B1QR1K1 w And Kasparov is saying here (https://www.youtube.com/watch?v=SMe-hvCwTRo) that Ng6+ is totally winning (like all lines lead to mate), which is not ... while Nef6 is more clearly winning material. Was ...
by xr_a_y
Wed Apr 01, 2020 7:02 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: Video about Kasparov, being wrong ?
Replies: 4
Views: 220

Video about Kasparov, being wrong ?

If I see the position correctly this is [d] r3qbk1/1b4p1/p2pr2p/3n4/Pnp1N1N1/6RP/1B3PP1/1B1QR1K1 w And Kasparov is saying here (https://www.youtube.com/watch?v=SMe-hvCwTRo) that Ng6+ is totally winning (like all lines lead to mate), which is not ... while Nef6 is more clearly winning material. Was t...