191023#45

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amchess wants to merge 1384 commits intoamchess:masterfrom

official-stockfish:master

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Commits on Aug 24, 2025

Remove depth reduction in the full-depth search

DanSamek
authored and
vondele
committed
Remove upper bound in see margin

daniel-monroe
authored and
vondele
committed
Simplify stalemate detection

xu-shawn
authored and
vondele
committed
Simplify quiet move streak

xu-shawn
authored and
vondele
committed
Simplify separate malus formulas

xu-shawn
authored and
vondele
committed
Small simplification in probCut movepicker

Vizvezdenec
authored and
vondele
committed
Remove cap from a bonusScale formula

FauziAkram
authored and
vondele
committed
Less reduction for later threads.

locutus2
authored and
vondele
committed
Simplify LMR Extensions

xu-shawn
authored and
vondele
committed

Commits on Aug 30, 2025

Use integer type for UCI spin values

UniQP
authored and
vondele
committed
fix ppc altivec check & loongarch64-lsx typo

akshatsinha0
authored and
vondele
committed
Avoid high rule50 count zeroing cutoffs

Nonlinear2
authored and
vondele
committed
revert #6259

robertnurnberg
authored and
vondele
committed
Simplify Capture Futility Pruning

xu-shawn
authored and
vondele
committed
Non-functional simplifications

authored and
vondele
committed
Further Simplify Stalemate Detection

xu-shawn
authored and
vondele
committed
Remove buggy and unused function

Torom
authored and
vondele
committed
Remove superfluous cast

UniQP
authored and
vondele
committed
Simplify `adjust_key50` template

codedeliveryservice
authored and
vondele
committed

Commits on Sep 2, 2025

limit dynamic reduction.

vondele
and
xu-shawn
committed
Simplify sign term in quiet histories

daniel-monroe
authored and
vondele
committed
simplify stalemate further

xu-shawn
authored and
vondele
committed
Simplify SMP Reduction

xu-shawn
authored and
vondele
committed
Add scaling note to STC/LTC tunes

xu-shawn
authored and
vondele
committed

Commits on Sep 6, 2025

Reintroduce #6259

xu-shawn
authored and
vondele
committed
Adjustment of the aspiration window after fail high/low.

locutus2
authored and
vondele
committed

Commits on Sep 13, 2025

Revert "Adjustment of the aspiration window after fail high/low."

MinetaS
authored and
vondele
committed

Commits on Sep 28, 2025

simplify upload_binaries ci

Disservin
authored and
vondele
committed
add multithreaded matetrack runs to CI

robertnurnberg
authored and
vondele
committed
Replace deprecated macOS 13 runner image

UniQP
authored and
vondele
committed
Penalty to TT move history on MultiCut

MinetaS
authored and
vondele
committed
Double PawnHistory size and update formula

FauziAkram
authored and
vondele
committed
Simplify RFP return value

Nonlinear2
authored and
vondele
committed
Extend nodes pre qsearch only with deep enough tt entries

Vizvezdenec
authored and
vondele
committed
Shave some instructions off a hot loop in affine transform

anematode
authored and
vondele
committed
Remove quiet move streak

authored and
vondele
committed
Simplify Probcut Clamp Further

xu-shawn
authored and
vondele
committed
Simplify away conthist 0

FauziAkram
authored and
vondele
committed
Simplify a separate term in low ply history bonus formula

xu-shawn
authored and
vondele
committed
Simplify use of low-ply history in evasions

xu-shawn
authored and
vondele
committed

Commits on Oct 5, 2025

Further simplify low ply history in evasions

xu-shawn
authored and
vondele
committed
Adjust aspiration window

nicolasduhamel
authored and
vondele
committed
Tweak Correction History Bonus Asymmetrically

FauziAkram
authored and
vondele
committed
Split accumulator 3-Way

authored and
vondele
committed
remove clang-format workaround

xu-shawn
authored and
vondele
committed
Remove x86-64-vnni256 target

mstembera
authored and
vondele
committed

Commits on Oct 7, 2025

Make sure we don't move a nonexistent piece in SEE

daniel-monroe
authored and
vondele
committed
Introduce 4-ply continuation correction history

DanSamek
authored and
vondele
committed

Commits on Oct 14, 2025

Update get_native_properties.sh for AVXVNNI

dav1312
authored and
vondele
committed
Split accumulator 3-way for avxvnni

mstembera
authored and
vondele
committed
bigger PAWN_HISTORY_SIZE

rustam-cpp
authored and
vondele
committed
Remove condition in qsearch

daniel-monroe
authored and
vondele
committed
let CI check for mate scores outside the valid range

robertnurnberg
authored and
vondele
committed
Use huge pages for worker data

KierenP
authored and
vondele
committed

Commits on Nov 1, 2025

Increase NMP reduction when improving

TarasVuk
authored and
vondele
committed
Allow AccumulatorStack::size to point to one past the end

xu-shawn
authored and
vondele
committed
prefetch earlier if checKEP is false

anematode
authored and
vondele
committed
Improve index generation

anematode
authored and
vondele
committed
Revert malus and associated coefficient parameters resulting from using only quiet moves

shaowyx
authored and
vondele
committed
Improve retrograde analisys and matefinding capability

pb00068
authored and
vondele
committed
Avoid unnecessary allocations in AccumulatorStack

ces42
authored and
vondele
committed
Simplify best move effort

daniel-monroe
authored and
vondele
committed
Simplify r50 condition in cutoff

daniel-monroe
authored and
vondele
committed
Simplify static eval bonus

daniel-monroe
authored and
vondele
committed
Simplify correction update condition

daniel-monroe
authored and
vondele
committed
Simplify Pawn History Bonus

xu-shawn
authored and
vondele
committed
simplify make_index()

ces42
authored and
vondele
committed
Simplify Corrhist Bonus

xu-shawn
authored and
vondele
committed
Simplify Futility pruning formula

FauziAkram
authored and
vondele
committed

Commits on Nov 2, 2025

Use shared memory for network weights

committed

Commits on Nov 12, 2025

Update NNUE architecture to SFNNv10 with Threat Inputs and net nn-49c1193b131c.nnue

committed

Commits on Nov 13, 2025

Refine constant in correction history update

daniel-monroe
authored and
vondele
committed
Improve Threats Speed

Viren6
authored and
vondele
committed
Don't copy around DirtyThreats

anematode
authored and
vondele
committed
Fix MSVC compile

mstembera
authored and
vondele
committed
Unify do_move & do_null_move workload

pb00068
authored and
vondele
committed
Remove check term in capture movepick

daniel-monroe
authored and
vondele
committed
Fix some doc typos

didier-durand
authored and
vondele
committed
Simplify threat term in movepick

daniel-monroe
authored and
vondele
committed
Print NEON before POPCNT in compilation settings

Torom
authored and
vondele
committed
check for material key validity in tbprobe

anematode
authored and
vondele
committed

Commits on Nov 14, 2025

Simplify NMP reduction formula

FauziAkram
authored and
vondele
committed
Simplify indexing

AliceRoselia
authored and
vondele
committed
Cleanup, fix style issues

xu-shawn
authored and
vondele
committed
Clean up code and comments

daniel-monroe
authored and
vondele
committed
Pass accumulator caches by reference

xu-shawn
authored and
vondele
committed
Allow time checking after each DTZ probe

robertnurnberg
authored and
vondele
committed
Fix undefined behavior

xu-shawn
authored and
vondele
committed

Commits on Nov 17, 2025

Use non-locking operations for nodes count and tbHits

anematode
authored and
vondele
committed
inline make_index() and avoid templating perspective

ces42
authored and
vondele
committed
Silence warning
vondele
committed
Cleanup benchmark

Matthies
authored and
vondele
committed
Fix format
vondele
committed
Update main net to nn-c0ae49f08b40.nnue
vondele
committed
Do more futility pruning

xu-shawn
authored and
vondele
committed

Commits on Nov 22, 2025

Post-NNUEv10 tune

daniel-monroe
authored and
vondele
committed

Commits on Nov 30, 2025

Simplify Accumulator Updates

xu-shawn
authored and
Disservin
committed
Simplify Incremental Updates

xu-shawn
authored and
Disservin
committed
Some more work on FullThreats::make_index

ces42
authored and
Disservin
committed
Fix for SF getting stuck during search (issue #5023)

pb00067
authored and
Disservin
committed
Formatting fixups

xu-shawn
authored and
Disservin
committed
Fix msvc macro

anematode
authored and
Disservin
committed
Simplify the highBestMoveEffort formula in Time management

FauziAkram
authored and
Disservin
committed
Update main network to nn-87a9d7857d88.nnue

vondele
authored and
Disservin
committed
Update AUTHORS (KazApps)

KazApps
authored and
Disservin
committed
Update main network to nn-2962dca31855.nnue

vondele
authored and
Disservin
committed

Commits on Dec 1, 2025

Improve update_piece_threats

anematode
authored and
vondele
committed
Move hindsight reductions above cutoffs

daniel-monroe
authored and
vondele
committed

Commits on Dec 3, 2025

fix missing condition

anematode
authored and
vondele
committed

Commits on Dec 21, 2025

Fix Typo

FauziAkram
authored and
Disservin
committed
Simplify piece threat calculation

FauziAkram
authored and
Disservin
committed
Small threat-related cleanups

anematode
authored and
Disservin
committed
Remove non-functional term in isShuffling

daniel-monroe
authored and
Disservin
committed
Fix one error and all warnings on MSVC 2026

mstembera
authored and
Disservin
committed
Tweak nnue_accumulator indexing

anematode
authored and
Disservin
committed
Removed redundant board updates

pieterteb
authored and
Disservin
committed
chore(ci): bump runner to macos-15

ppigazzini
authored and
Disservin
committed
Remove rootDepth condition in newDepth clamping

daniel-monroe
authored and
Disservin
committed
Represent threat weights directly as i8

sscg13
authored and
Disservin
committed
Remove Secondary TT Aging

xu-shawn
authored and
Disservin
committed
Simplify futility pruning

AliceRoselia
authored and
Disservin
committed

Commits on Dec 23, 2025

Commits on Dec 28, 2025

Refine reduction logic based on next-ply cutoff count

FauziAkram
authored and
Disservin
committed
Removing redundant parentheses

FauziAkram
authored and
Disservin
committed
Update Top CPU Contributors

vondele
authored and
Disservin
committed
Simplify doDeeperSearch

daniel-monroe
authored and
Disservin
committed
Fix nonPawnKey

KazApps
authored and
Disservin
committed
For expected ALL nodes scale up reduction with depth dependent factor.

locutus2
authored and
Disservin
committed
Shared pawn history

authored and
Disservin
committed
Remove -Wstack-usage on (apple) clang

anematode
authored and
Disservin
committed

Commits on Jan 1, 2026

Fix incorrect initialization
vondele
committed
Fix feature check

Steinar H. Gunderson
authored and
vondele
committed
Adjust main history with every new root position

Vizvezdenec
authored and
vondele
committed
port get_changed_pieces to ARM NEON

anematode
authored and
vondele
committed
build: rename WINE_PATH to RUN_PREFIX for wrapper execution

ppigazzini
authored and
vondele
committed
simplify find_nnz a bit

anematode
authored and
vondele
committed
Replacing nested loops with a single range-based for loop

FauziAkram
authored and
vondele
committed
Minor cleanup in full_threats.cpp

mstembera
authored and
vondele
committed
Update of the year
vondele
committed

Commits on Jan 6, 2026

Fix remote access bug across NUMA nodes

MinetaS
authored and
vondele
committed
Network loading refactoring

anematode
authored and
vondele
committed
qsearch: prevent bestValue from going down

jake-ciolek
authored and
vondele
committed

Commits on Jan 10, 2026

Fix Clang Tbprobe Miscompilation

Disservin
authored and
vondele
committed
Fix Compiler Warning

Disservin
authored and
vondele
committed
Compiler Check

Disservin
authored and
vondele
committed
Make shared history allocation aware of non-uniform cache access

anematode
authored and
vondele
committed
Simplify fail high reduction formula

FauziAkram
authored and
vondele
committed
Make enums unsigned

KazApps
authored and
vondele
committed

Commits on Jan 11, 2026

Simplify make_index

KazApps
authored and
vondele
committed
Fix RelationCache on Windows 10 compiles

anematode
authored and
vondele
committed

Commits on Jan 15, 2026

Fix integer overflow.
vondele
committed
Skip munmap when exiting via a signal

anematode
authored and
vondele
committed
update the WDL model

robertnurnberg
authored and
vondele
committed

Commits on Jan 18, 2026

use default signal handler after cleanup

anematode
authored and
vondele
committed

Commits on Jan 22, 2026

Make PGO builds deterministic again

anematode
authored and
vondele
committed

Commits on Jan 28, 2026

Fix compilation on BSD/macOS

anematode
authored and
Disservin
committed

Commits on Jan 31, 2026

Stockfish 18
vondele
committed

Commits on Feb 4, 2026

Restore development

Disservin
authored and
vondele
committed
fix return type of vmovl_high_s8

anematode
authored and
vondele
committed
Fix clang-format complaints

Disservin
authored and
vondele
committed
Include threat weights in network hash calculation

ddobbelaere
authored and
vondele
committed
Branchless correction history with to_sq_unchecked

maximmasiutin
authored and
vondele
committed
Improve usage of sf_assume

Disservin
authored and
vondele
committed
Only record the ep square from a given FEN if ep is legal

rn5f107s2
authored and
vondele
committed
refactor(scripts): improve `get_native_properties.sh`

ppigazzini
authored and
vondele
committed
Don't push prerelease for release commits

Disservin
authored and
vondele
committed
refactor update_piece_threats to reduce branching

KazApps
authored and
vondele
committed
Simplify en passant square update in Position::do_move().

pieterteb
authored and
vondele
committed
Update castling rights unconditionally.

pieterteb
authored and
vondele
committed
Update NNUE architecture to SFNNv11 and net nn-3dd094f3dfcf.nnue

sscg13
authored and
vondele
committed

Commits on Feb 8, 2026

Fix Strict Aliasing Violation

Disservin
and
anematode
committed
Minor fixes for MSVC

mstembera
authored and
Disservin
committed
feat(build): use lld for clang if available

ppigazzini
authored and
Disservin
committed
Remove prefetching in Position::do_null_move

jake-ciolek
authored and
Disservin
committed
Simplify Triple Margin Formula

FauziAkram
authored and
Disservin
committed
Raise inline threshold for clang/llvm

lemteay
authored and
Disservin
committed
Replace FNV-1a hash by faster and better MurmurHash64A.

ddobbelaere
authored and
Disservin
committed
Simplify away main history default

daniel-monroe
authored and
Disservin
committed

Commits on Feb 13, 2026

Update NNUE architecture to SFNNv12 and net nn-7e1657811c6d.nnue

sscg13
authored and
vondele
committed
Introduce timeout for wget/curl in net download
vondele
committed
Prefetch threat weight rows during append_changed_indices

maximmasiutin
authored and
vondele
committed
Add constexpr specifier back to conthist_bonuses

lemteay
authored and
vondele
committed
avoid modify_and_replicate for first load

anematode
authored and
vondele
committed
Simplify malus decay formula

daniel-monroe
authored and
vondele
committed
Simplify malus formula

daniel-monroe
authored and
vondele
committed
Simplify probCutDepth term

daniel-monroe
authored and
vondele
committed

Commits on Feb 18, 2026

VVLTC tune

FauziAkram
authored and
vondele
committed
speed up update_piece_threats after SFNNv12

authored and
vondele
committed
Add en passant santization tests to the CI and pos is ok

rn5f107s2
authored and
vondele
committed
Don't process kings after #6609

mstembera
authored and
vondele
committed
Minor cleanups in bitboard.h

mstembera
authored and
vondele
committed
Update NNUE architecture to SFNNv13 and net nn-5227780996d3.nnue

sscg13
authored and
vondele
committed

Commits on Feb 28, 2026

prevent unproven mated-in scores in game play

robertnurnberg
authored and
vondele
committed
More NMP when improving

rhirsch123
authored and
vondele
committed
CI: Fix typo in error message

ProxyLoader
authored and
vondele
committed
Simplify threat by lesser

mstembera
authored and
vondele
committed
skip setting threatByLesser[KING]

anematode
authored and
vondele
committed
Simplify attackers_to_exist function

maximmasiutin
authored and
vondele
committed

Commits on Mar 7, 2026

[CI] add multithreaded matetrack runs that simulate gameplay

robertnurnberg
authored and
vondele
committed
Update main network to nn-9a0cc2a62c52.nnue

xu-shawn
authored and
vondele
committed
Counter-Move History Continuity (CMHC)

authored and
vondele
committed
Requantize smallnet to nn-47fc8b7fff06.nnue

xu-shawn
authored and
vondele
committed
Fix avx512icl update_piece_threats bug

anematode
authored and
vondele
committed

Commits on Mar 18, 2026

Disable IIR and quiet shallow pruning in PV lines

ZlomenyMesic
authored and
Disservin
committed
Speed up update_accumulator_refresh_cache with AVX512ICL

rhirsch123
authored and
Disservin
committed
Fix Depth 1 bug at very low time controls, some fishtesting workers, and delayed move senders like Arena.

MARLIN-Tools
authored and
Disservin
committed
Don't recompile misc.cpp on every run
Disservin
committed
Strict FEN parsing. Exit on setting invalid position via UCI.

Sopel97
authored and
Disservin
committed
Use existing function for removing and placing a piece.

pieterteb
authored and
Disservin
committed
Improve multi-threaded go-mate searches

robertnurnberg
authored and
Disservin
committed
VVLTC Tune

FauziAkram
authored and
Disservin
committed
Speedup splat_moves on avx512icl

anematode
authored and
Disservin
committed

Commits on Apr 2, 2026

Align ponder move and final PV output

robertnurnberg
authored and
Disservin
committed
Neon dotprod speedup in sparse-input affine transform

linrock
authored and
Disservin
committed
split affine_transform on VNNI as well

anematode
authored and
Disservin
committed
Minor cleanups

mstembera
authored and
Disservin
committed
Stack allocate NNUE buffer

anematode
authored and
Disservin
committed
Add -fno-ipa-cp-clone on GCC

anematode
authored and
Disservin
committed
NEON: simplify updates in NNUE accumulator

linrock
authored and
Disservin
committed
Reorder NNUE accumulator evals

linrock
authored and
Disservin
committed
Update NNUE architecture to SFNNv14 and net nn-7bf13f9655c8.nnue

anematode
authored and
Disservin
committed

Commits on Apr 9, 2026

Update a few outdated wrong comments

FauziAkram
authored and
Disservin
committed
Simplify mtg in time management

FauziAkram
authored and
Disservin
committed
Simplify HalfKAv2_hm::write_indices()

mstembera
authored and
Disservin
committed
Remove step in update_accumulator_refresh_cache

anematode
authored and
Disservin
committed
Fix compilation errors on macOS

linrock
authored and
Disservin
committed
CI: test for macOS g++ pretending to be clang++

linrock
authored and
Disservin
committed
Fix shell escaping in misc.o rule

niklasf
authored and
Disservin
committed
Using the already existing pawn_single_push_bb

FauziAkram
authored and
Disservin
committed
Fix weird indexing bug

anematode
authored and
Disservin
committed
Avoid branching before `ValueList::push_back`

ces42
authored and
Disservin
committed
Simplify uci pv output logic

robertnurnberg
authored and
Disservin
committed
Remove Redundant Branchless Execution

FauziAkram
authored and
Disservin
committed
Simplify best thread selection

robertnurnberg
authored and
Disservin
committed
Don't store stand pat return value in TT

linrock
authored and
Disservin
committed

Commits on Apr 15, 2026

Fix assert

xu-shawn
authored and
vondele
committed
fix syzygy crash on Apple Silicon by unrolling tbprobe adjustment loop

rlefko
authored and
vondele
committed
Interpolate highBestMoveEffort

mstembera
authored and
vondele
committed
Update main network to nn-f68ec79f0fe3.nnue

Disservin
authored and
vondele
committed
Simplify relative_age and its constants

dubslow
authored and
vondele
committed
Simplify stalemate detection in qsearch.

joergoster
authored and
vondele
committed
Remove redundant std::skipws from fresh string streams

FauziAkram
authored and
vondele
committed
Remove unnecessary use of _mm512_zextsi256_si512

87flowers
authored and
vondele
committed
Add PVMoves Struct

Disservin
authored and
vondele
committed
Simplify away the special case for en passant in the legality check

rn5f107s2
authored and
vondele
committed