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BadFish/src
Joost VandeVondele 7262fd5d14 Stockfish 14.1
Official release version of Stockfish 14.1

Bench: 6334068

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Today, we have the pleasure to announce Stockfish 14.1.

As usual, downloads will be freely available at stockfishchess.org/download [1].

With Stockfish 14.1 our users get access to the strongest chess engine
available today. In the period leading up to this release, Stockfish
convincingly won several chess engine tournaments, including the TCEC 21
superfinal, the TCEC Cup 9, and the Computer Chess Championship for
Fischer Random Chess (Chess960). In the latter tournament, Stockfish
was undefeated in 599 out of 600 games played.

Compared to Stockfish 14, this release introduces a more advanced NNUE
architecture and various search improvements. In self play testing, using
a book of balanced openings, Stockfish 14.1 wins three times more game
pairs than it loses [2]. At this high level, draws are very common, so the
Elo difference to Stockfish 14 is about 17 Elo. The NNUE evaluation method,
introduced to top level chess with Stockfish 12 about one year ago [3],
has now been adopted by several other strong CPU based chess engines.

The Stockfish project builds on a thriving community of enthusiasts
(thanks everybody!) that contribute their expertise, time, and resources
to build a free and open-source chess engine that is robust,
widely available, and very strong. We invite our chess fans to join the
fishtest testing framework and programmers to contribute to the project [4].

Stay safe and enjoy chess!

The Stockfish team

[1] https://stockfishchess.org/download/
[2] https://tests.stockfishchess.org/tests/view/6175c320af70c2be1788fa2b
[3] https://github.com/official-stockfish/Stockfish/discussions/3628
[4] https://stockfishchess.org/get-involved/
2021-10-28 07:38:19 +02:00
..
incbin Embed default net, and simplify using non-default nets 2020-08-29 21:56:00 +02:00
nnue Rewrite NNUE evaluation adjustments 2021-10-23 12:22:02 +02:00
syzygy Fix a rare case of wrong TB ranking 2021-06-14 17:28:30 +02:00
benchmark.cpp Add Stockfish namespace. 2021-03-07 14:26:54 +01:00
bitbase.cpp Small cleanups (march 2021) 2021-03-24 17:11:06 +01:00
bitboard.cpp Small clean-up 2021-03-31 08:12:25 +02:00
bitboard.h Small clean-up 2021-03-31 08:12:25 +02:00
endgame.cpp Add Stockfish namespace. 2021-03-07 14:26:54 +01:00
endgame.h Add Stockfish namespace. 2021-03-07 14:26:54 +01:00
evaluate.cpp Reformat Eval::evaluate() 2021-10-18 20:45:47 +02:00
evaluate.h Small clean-up, Sept 2021 2021-10-07 09:41:57 +02:00
main.cpp Add Stockfish namespace. 2021-03-07 14:26:54 +01:00
Makefile Small clean-up, Sept 2021 2021-10-07 09:41:57 +02:00
material.cpp Small cleanups (march 2021) 2021-03-24 17:11:06 +01:00
material.h Add Stockfish namespace. 2021-03-07 14:26:54 +01:00
misc.cpp Stockfish 14.1 2021-10-28 07:38:19 +02:00
misc.h Simplify away ValueListInserter 2021-10-23 12:21:17 +02:00
movegen.cpp Simplify Declaration on Pawn Move Generation 2021-08-22 09:15:19 +02:00
movegen.h Add Stockfish namespace. 2021-03-07 14:26:54 +01:00
movepick.cpp Simplify lowply-history scoring logic 2021-07-23 18:53:03 +02:00
movepick.h Adjust ButterflyHistory decay parameter 2021-10-24 22:17:55 +02:00
pawns.cpp Small cleanups (march 2021) 2021-03-24 17:11:06 +01:00
pawns.h Add Stockfish namespace. 2021-03-07 14:26:54 +01:00
position.cpp Fix sometimes incorrect key for prefetches 2021-10-25 12:26:44 +02:00
position.h Change trace with NNUE eval support 2021-06-19 11:57:01 +02:00
psqt.cpp Add Stockfish namespace. 2021-03-07 14:26:54 +01:00
psqt.h Add Stockfish namespace. 2021-03-07 14:26:54 +01:00
search.cpp Double extend search even more via LMR 2021-10-24 22:13:47 +02:00
search.h Detect search explosions 2021-09-23 23:19:06 +02:00
simd.h Optimize and tidy up affine transform code. 2021-08-20 08:50:25 +02:00
thread.cpp Small cleanups (march 2021) 2021-03-24 17:11:06 +01:00
thread.h Simplify ttHitAverage away 2021-10-14 09:47:20 +02:00
thread_win32_osx.h Add Stockfish namespace. 2021-03-07 14:26:54 +01:00
timeman.cpp Combo of various parameter tweaks 2021-09-21 19:48:40 +02:00
timeman.h Remove Tempo 2021-05-19 20:34:37 +02:00
tt.cpp Add Stockfish namespace. 2021-03-07 14:26:54 +01:00
tt.h Add Stockfish namespace. 2021-03-07 14:26:54 +01:00
tune.cpp Remove BoolConditions from tuning code 2021-05-15 09:40:40 +02:00
tune.h Remove BoolConditions from tuning code 2021-05-15 09:40:40 +02:00
types.h Detect search explosions 2021-09-23 23:19:06 +02:00
uci.cpp Update WDL model for NNUE 2021-06-28 21:13:30 +02:00
uci.h Add Stockfish namespace. 2021-03-07 14:26:54 +01:00
ucioption.cpp Improve handling of the debug log file. 2021-08-20 07:57:09 +02:00