Code:


┌─[LX@termux]─[~/Stockfish/src]                                             └──╼ ❯❯❯ ./Stockfish-13-aarch64 compiler                                    Stockfish 13 by the Stockfish developers (see AUTHORS file)                                                                                             Compiled by g++ (GNUC) 10.2.0 on Android                                    Compilation settings include:  64bit POPCNT NEON                            __VERSION__ macro expands to: 10.2.0

@Ferrari wrote:if would be grateful that someone could manipulate this engine and add a polyglot book.

@Abenk1168 wrote:Android version not ready ??

Code:


Official test by SF team, at fishtest conditions, of Stockfish 13 vs
the sold version of CB/AS (ff2) net and the corresponding Stockfish player.
===========================================================================

TC 10+0.1
=========

games at: https://drive.google.com/file/d/14TVxuyOGWAVc2kJyR6K7DEUOetZfWplm/view?usp=sharing

../ordo -a 0 -p out-sf13-vs-ff2-TC10+0.1.pgn -A sf13 -s 100 -q  -J -D -W

   # PLAYER    :  RATING  ERROR   POINTS  PLAYED   (%)  CFS(%)
   1 sf13      :     0.0   ----  34445.5   65536    53     100
   2 ff2       :   -18.1    1.3  31090.5   65536    47     ---

White advantage = 29.29 +/- 0.67
Draw rate (equal opponents) = 77.35 % +/- 0.18

TC 60+0.6
=========

games at: https://drive.google.com/file/d/10yOOoCqt12sssmKy3jSI7og-M-nNs_Xs/view?usp=sharing

../ordo -a 0 -p out-sf13-vs-ff2-TC60+0.6.pgn -A sf13 -s 100 -q  -J -D -W

   # PLAYER    :  RATING  ERROR   POINTS  PLAYED   (%)  CFS(%)
   1 sf13      :     0.0   ----  33774.0   65536    52     100
   2 ff2       :   -10.8    1.0  31762.0   65536    48     ---

White advantage = 24.72 +/- 0.50
Draw rate (equal opponents) = 87.77 % +/- 0.14

Conclusion
==========

The ff2 net is weaker than SF13 in a proper testing setup.
Draw rates are comparable to fishtest results.
Setup and parameters
====================

Same setup as fishtest, using 8moves_v3.pgn book, run in 128 batches (command used for TC60+0.6):

../cutechess-cli -repeat -rounds 1 -games 512 -tournament round-robin -srand $RANDOM -resign movecount=3 score=400 -draw movenumber=34 movecount=8 score=20\
                 -concurrency 64 -openings file=../8moves_v3.pgn format=pgn order=random plies=16\
                 -each tc=60+0.6 option.hash=64 proto=uci -ratinginterval 128\
                 -engine cmd=../stockfish.sf13 name=sf13 \
                 -engine cmd=../stockfish.ff2 name=ff2 \
                 -pgnout out-sf13-vs-ff2.pgn

Corresponding to SF13 and FF2 as available Feb 21st

../stockfish.ff2 bench 2>&1 | grep "Nodes searched"
Nodes searched  : 4025201

../stockfish.sf13 bench 2>&1 | grep "Nodes searched"
Nodes searched  : 3766422

Compiled using exactly the same compiler and same settings

on master at SF13 commit
make clean && make -j ARCH=x86-64-avx2 profile-build && mv ./stockfish ./stockfish.sf13

on ff2 branch with the CB/AS net added to the src directory
make clean && make -j ARCH=x86-64-avx2 profile-build && mv ./stockfish ./stockfish.ff2


@Waldemar wrote:They should consider make any new engine with polyglot book support.

@lisandr wrote:
It has been tested in a deep match of ten thousand games against the February 11 build of Stockfish, which has since become the new Stockfish 13. This match was played by an independent tester who used a fixed eight-move deep book that is taken from a base of 2.1 million games played on LiChess in 2020 by opponents both rated 2400+.

@leonhurricaneX wrote:Only Android binaries are not updated.
GCC faster , profile plus dynamics builds only.
Stockfish 13 for Android
https://krakenfiles.com/view/63b4d900b9/file.html

Code:


┌─[LX@termux]─[~/Stockfish/src]                                             └──╼ ❯❯❯ ./Stockfish-13-aarch64 compiler                                    Stockfish 13 by the Stockfish developers (see AUTHORS file)                                                                                             Compiled by g++ (GNUC) 10.2.0 on Android                                    Compilation settings include:  64bit POPCNT NEON                            __VERSION__ macro expands to: 10.2.0