| !! latest version !! Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Shawn Xu
Date: Mon Jun 2 22:12:37 2025 +0200 Timestamp: 1748895157 remove non-functional else since we break out of the loop in the other branch closes https://github.com/official-stockfish/Stockfish/pull/6116 no functional change see source |
| Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Daniel Monroe
Date: Mon Jun 2 22:09:11 2025 +0200 Timestamp: 1748894951 reduce depth by 5 in probcut Passed simplification STC LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 63328 W: 16402 L: 16213 D: 30713 Elo +1.04 Ptnml(0-2): 174, 7378, 16340, 7629, 143 https://tests.stockfishchess.org/tests/view/6833530e6ec7634154f9be7f Passed simplification LTC LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 69936 W: 17795 L: 17625 D: 34516 Elo +0.84 Ptnml(0-2): 29, 7631, 19474, 7809, 25 https://tests.stockfishchess.org/tests/view/68335e386ec7634154f9c266 closes https://github.com/official-stockfish/Stockfish/pull/6120 Bench: 2307268 see source |
| Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Daniel Monroe
Date: Mon Jun 2 22:05:11 2025 +0200 Timestamp: 1748894711 Simplify corrections in extension margins Passed simplification STC LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 96192 W: 25002 L: 24852 D: 46338 Elo +0.54 Ptnml(0-2): 242, 10868, 25716, 11038, 232 https://tests.stockfishchess.org/tests/view/683b44cb6ec7634154f9d6ac Passed simplification LTC LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 83334 W: 21473 L: 21317 D: 40544 Elo +0.65 Ptnml(0-2): 37, 8877, 23674, 9051, 28 https://tests.stockfishchess.org/tests/view/683b79786ec7634154f9d75a closes https://github.com/official-stockfish/Stockfish/pull/6117 Bench: 2294814 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Shawn Xu
Date: Mon Jun 2 21:57:19 2025 +0200 Timestamp: 1748894239 Remove an unnecessary bound check When failing high, it is always true that `alpha < beta` and `beta <= bestValue`. Therefore if alpha and bestValue is not in decisive range, it is guaranteed that beta is not. closes https://github.com/official-stockfish/Stockfish/pull/6115 no functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Shawn Xu
Date: Mon Jun 2 21:55:55 2025 +0200 Timestamp: 1748894155 Introduce Secondary TT Aging When a high-depth TT entry fail to produce a cutoff, decrease the stored depth by 1. This is intended to help cases such as #5023 (https://github.com/official-stockfish/Stockfish/issues/5023#issuecomment-2814209391), where entries with extremely high depths prevent TT cutoffs, contributing to search explosions. Passed STC: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 128800 W: 33502 L: 33053 D: 62245 Elo +1.21 Ptnml(0-2): 331, 15084, 33149, 15477, 359 https://tests.stockfishchess.org/tests/view/683958e56ec7634154f9d2a9 Passed LTC: LLR: 2.97 (-2.94,2.94) <0.50,2.50> Total: 63288 W: 16376 L: 16005 D: 30907 Elo +2.04 Ptnml(0-2): 26, 6712, 17798, 7081, 27 https://tests.stockfishchess.org/tests/view/683aa4026ec7634154f9d469 closes https://github.com/official-stockfish/Stockfish/pull/6113 Bench: 2144705 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Daniel Monroe
Date: Mon Jun 2 21:52:38 2025 +0200 Timestamp: 1748893958 Simplify away depth condition in IIR Passed simplification STC LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 359520 W: 92714 L: 92849 D: 173957 Elo -0.13 Ptnml(0-2): 977, 42640, 92614, 42599, 930 https://tests.stockfishchess.org/tests/view/6833705d6ec7634154f9c302 Passed simplification LTC LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 201756 W: 51544 L: 51507 D: 98705 Elo +0.06 Ptnml(0-2): 89, 21965, 56728, 22012, 84 https://tests.stockfishchess.org/tests/view/68338e386ec7634154f9c790 Passed simplification VLTC LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 48558 W: 12675 L: 12492 D: 23391 Elo +1.31 Ptnml(0-2): 9, 4779, 14516, 4970, 5 https://tests.stockfishchess.org/tests/view/6838e0b26ec7634154f9d25b closes https://github.com/official-stockfish/Stockfish/pull/6112 Bench: 2302583 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Daniel Monroe
Date: Mon Jun 2 21:49:43 2025 +0200 Timestamp: 1748893783 Simplify away cutoff term in prior countermove bonus Passed simplification STC LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 61120 W: 16010 L: 15819 D: 29291 Elo +1.09 Ptnml(0-2): 150, 7105, 15869, 7276, 160 https://tests.stockfishchess.org/tests/view/683560226ec7634154f9ce0f Passed simplification LTC LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 225090 W: 57555 L: 57543 D: 109992 Elo +0.02 Ptnml(0-2): 104, 24367, 63603, 24355, 116 https://tests.stockfishchess.org/tests/view/6836420c6ec7634154f9cf5c closes https://github.com/official-stockfish/Stockfish/pull/6111 Bench: 2472910 see source |
| Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Daniel Monroe
Date: Mon Jun 2 21:47:26 2025 +0200 Timestamp: 1748893646 Simplify away check term in statscore Passed simplification STC LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 61696 W: 16031 L: 15841 D: 29824 Elo +1.07 Ptnml(0-2): 151, 7160, 16046, 7330, 161 https://tests.stockfishchess.org/tests/view/68353fcc6ec7634154f9cdd5 Passed simplification LTC LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 237990 W: 60994 L: 60995 D: 116001 Elo -0.00 Ptnml(0-2): 95, 25964, 66903, 25913, 120 https://tests.stockfishchess.org/tests/view/683642256ec7634154f9cf5e closes https://github.com/official-stockfish/Stockfish/pull/6110 Bench: 2521003 see source |
| Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Nonlinear2
Date: Mon Jun 2 21:44:29 2025 +0200 Timestamp: 1748893469 Simplify NMP eval in qsearch Passed non-regression STC: https://tests.stockfishchess.org/tests/view/6834e9436ec7634154f9cd6e LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 24864 W: 6626 L: 6394 D: 11844 Elo +3.24 Ptnml(0-2): 62, 2806, 6477, 3012, 75 Passed non-regression LTC: https://tests.stockfishchess.org/tests/view/683598fd6ec7634154f9ce82 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 200148 W: 51461 L: 51424 D: 97263 Elo +0.06 Ptnml(0-2): 92, 21672, 56503, 21721, 86 closes https://github.com/official-stockfish/Stockfish/pull/6109 Bench: 2316591 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Carlos Esparza
Date: Mon Jun 2 21:40:13 2025 +0200 Timestamp: 1748893213 Fix outdated comment closes https://github.com/official-stockfish/Stockfish/pull/6108 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Robert Nurnberg @ elitebook
Date: Mon Jun 2 21:38:53 2025 +0200 Timestamp: 1748893133 Fix clang-format version in CONTRIBUTING.md closes https://github.com/official-stockfish/Stockfish/pull/6107 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Shawn Xu
Date: Mon Jun 2 21:37:37 2025 +0200 Timestamp: 1748893057 Simplify stat eval history adjustment further closes https://github.com/official-stockfish/Stockfish/pull/6106 bench 2074807 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 + SSSE3 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: mstembera
Date: Mon Jun 2 21:28:18 2025 +0200 Timestamp: 1748892498 Simplify Position::pieces() closes https://github.com/official-stockfish/Stockfish/pull/6104 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: mstembera
Date: Mon Jun 2 21:24:38 2025 +0200 Timestamp: 1748892278 Remove unused threatenedPieces threatenedPieces is no longer used since #6023 Also can_move_king_or_pawn() can be const. Also remove a couple of redundant declarations. closes https://github.com/official-stockfish/Stockfish/pull/6101 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Shawn Xu
Date: Mon Jun 2 21:21:54 2025 +0200 Timestamp: 1748892114 Remove nnz lookup table load optimization Passed Non-regression STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 63296 W: 16491 L: 16311 D: 30494 Elo +0.99 Ptnml(0-2): 129, 6624, 17972, 6784, 139 https://tests.stockfishchess.org/tests/view/6833ce486ec7634154f9cb22 Passed 2nd Non-regression STC: LLR: 2.97 (-2.94,2.94) <-1.75,0.25> Total: 369568 W: 95314 L: 95451 D: 178803 Elo -0.13 Ptnml(0-2): 897, 40231, 102601, 40222, 833 https://tests.stockfishchess.org/tests/view/68355c956ec7634154f9ce07 closes https://github.com/official-stockfish/Stockfish/pull/6100 no functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Daniel Monroe
Date: Mon Jun 2 21:19:17 2025 +0200 Timestamp: 1748891957 Simplify tt depth in stat eval history adjustment Passed simplification STC LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 102208 W: 26498 L: 26349 D: 49361 Elo +0.51 Ptnml(0-2): 284, 12095, 26166, 12306, 253 https://tests.stockfishchess.org/tests/view/683354c76ec7634154f9be88 Passed simplification LTC LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 133422 W: 34050 L: 33945 D: 65427 Elo +0.27 Ptnml(0-2): 56, 14473, 37559, 14556, 67 https://tests.stockfishchess.org/tests/view/683363626ec7634154f9c298 closes https://github.com/official-stockfish/Stockfish/pull/6099 Bench: 2652411 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Daniel Monroe
Date: Mon Jun 2 21:15:56 2025 +0200 Timestamp: 1748891756 Small tt verify simplification Also fix probcut comment Passed non-regression STC LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 69728 W: 18080 L: 17909 D: 33739 Elo +0.85 Ptnml(0-2): 161, 7157, 20044, 7354, 148 https://tests.stockfishchess.org/tests/view/68324b116ec7634154f9b478 closes https://github.com/official-stockfish/Stockfish/pull/6094 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: FauziAkram
Date: Mon Jun 2 21:09:19 2025 +0200 Timestamp: 1748891359 Enforce minimum compiler versions gcc 9.3 clang 10 using unsupported compiler versions will generate an error, older version might miscompile SF CI: improves output on failed bench output closes https://github.com/official-stockfish/Stockfish/pull/6032 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 + SSSE3 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: FauziAkram
Date: Sun May 25 21:31:12 2025 +0200 Timestamp: 1748201472 Simplify Double Margin Formula Passed STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 267296 W: 69214 L: 69248 D: 128834 Elo -0.04 Ptnml(0-2): 760, 31511, 69141, 31475, 761 https://tests.stockfishchess.org/tests/view/682f5d9a6ec7634154f9b01e Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 67872 W: 17460 L: 17289 D: 33123 Elo +0.88 Ptnml(0-2): 25, 7238, 19243, 7401, 29 https://tests.stockfishchess.org/tests/view/6833074b6ec7634154f9b5ae Passed VLTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 118000 W: 30337 L: 30222 D: 57441 Elo +0.34 Ptnml(0-2): 15, 11783, 35289, 11898, 15 https://tests.stockfishchess.org/tests/view/683336c56ec7634154f9ba46 closes https://github.com/official-stockfish/Stockfish/pull/6097 Bench: 2312696 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: ppigazzini
Date: Sun May 25 21:28:53 2025 +0200 Timestamp: 1748201333 build & ci: update to NDK r27c API level 29 Update to the latest LTS version NDK r27c (27.2.12479018), the previous NDK are unsupported by Google, see: https://developer.android.com/ndk/downloads A build with NDK r27c and API level < 29 returns this error: "executable's TLS segment is underaligned: alignment is 8 (skew 0), needs to be at least 64 for ARM64 Bionic" Update the API level to 29 to use the native ELF LTS and avoid the error: https://android.googlesource.com/platform/bionic/+/HEAD/docs/elf-tls.md https://android.googlesource.com/platform/bionic/+/HEAD/android-changes-for-ndk-developers.md#elf-tls-available-for-api-level-29 A dynamic link build of Stockfish uses these libraries: ldd stockfish-android-armv8-dynamic-api35 libm.so => /system/lib64/libm.so libdl.so => /system/lib64/libdl.so libc.so => /system/lib64/libc.so ld-android.so => /system/lib64/ld-android.so ld-android.so : the dynamic linker used by Android (on Linux is named ld-linux.so), responsible for loading and linking shared libraries into an executable at runtime. libdl.so : interface/library layer that provides function for dynamic loading, relies on the underlying functionality provided by the dynamic linker libm.so : math library for Android libc.so : standard C library for Android References: Doc for native (C/C++) API https://developer.android.com/ndk/guides/stable_apis C libraries (libc, libm, libdl): https://developer.android.com/ndk/guides/stable_apis#c_library Bionic changes with API levels: https://android.googlesource.com/platform/bionic/+/HEAD/docs/status.md NDK r27c build system: https://android.googlesource.com/platform/ndk/+/ndk-r27-release/docs/BuildSystemMaintainers.md CI: Update to NDK r27c (27.2.12479018), the default version in GitHub runner, to switch to a recent clang 18. A PGO build requires static linking, because the NDK doesn't ship the Android loaders (linker/linker64), see: https://groups.google.com/g/android-ndk/c/3Ep6zD3xxSY The API level should not be an issue when distributing a static build, use the API 29, the oldest one not affected by the LTS alignement issue. closes https://github.com/official-stockfish/Stockfish/pull/6081 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Кирилл Зарипов
Date: Sun May 25 21:24:09 2025 +0200 Timestamp: 1748201049 Adjust futility pruning thresholds using history Passed STC: https://tests.stockfishchess.org/tests/view/6833095a6ec7634154f9b5b3 LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 56896 W: 14946 L: 14604 D: 27346 Elo +2.09 Ptnml(0-2): 117, 6674, 14561, 6942, 154 Passed LTC: https://tests.stockfishchess.org/tests/view/6833179d6ec7634154f9b5da LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 200742 W: 51660 L: 51012 D: 98070 Elo +1.12 Ptnml(0-2): 96, 21520, 56473, 22204, 78 Passed Non-regression SMP STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 29080 W: 7591 L: 7373 D: 14116 Elo +2.60 Ptnml(0-2): 38, 3178, 7881, 3414, 29 https://tests.stockfishchess.org/tests/view/6833689d6ec7634154f9c2ba closes https://github.com/official-stockfish/Stockfish/pull/6092 Bench: 2305697 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Shawn Xu
Date: Sun May 25 21:19:59 2025 +0200 Timestamp: 1748200799 Always Decrease Reduction on TTMove Passed VVLTC w/ LTC Bounds: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 57792 W: 15005 L: 14676 D: 28111 Elo +1.98 Ptnml(0-2): 2, 5241, 18082, 5568, 3 https://tests.stockfishchess.org/tests/view/682a0e3c6ec7634154f9a07e Passed VVLTC w/ STC Bounds: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 372298 W: 96342 L: 95655 D: 180301 Elo +0.64 Ptnml(0-2): 37, 34598, 116181, 35307, 26 https://tests.stockfishchess.org/tests/view/682a45b16ec7634154f9a3b3 STC Elo Estimate: Elo: 0.15 ± 1.4 (95%) LOS: 58.3% Total: 59612 W: 15414 L: 15388 D: 28810 Elo +0.15 Ptnml(0-2): 166, 6959, 15527, 6991, 163 nElo: 0.30 ± 2.8 (95%) PairsRatio: 1.00 https://tests.stockfishchess.org/tests/view/68335d276ec7634154f9c25c closes https://github.com/official-stockfish/Stockfish/pull/6095 bench 2634355 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Daniel Samek
Date: Sun May 25 21:12:27 2025 +0200 Timestamp: 1748200347 Simplify FutilityMoveCount Inlined condition, instead of a function. closes https://github.com/official-stockfish/Stockfish/pull/6096 no functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Кирилл Зарипов
Date: Sun May 25 21:05:53 2025 +0200 Timestamp: 1748199953 Make ProbCut search shallower in cutNode Passed STC: https://tests.stockfishchess.org/tests/view/6832d2436ec7634154f9b4fc LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 455072 W: 118162 L: 117237 D: 219673 Elo +0.71 Ptnml(0-2): 1233, 53409, 117362, 54264, 1268 Passed LTC: https://tests.stockfishchess.org/tests/view/6833323e6ec7634154f9ba17 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 128436 W: 32916 L: 32415 D: 63105 Elo +1.36 Ptnml(0-2): 50, 13737, 36137, 14250, 44 closes https://github.com/official-stockfish/Stockfish/pull/6093 Bench: 2232447 see source |
| Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: FauziAkram
Date: Sun May 25 21:03:16 2025 +0200 Timestamp: 1748199796 Implement smoother reduction in time management Implement smoother time reduction in time management by replacing a conditional assignment with a continuous sigmoid-based function. The updated logic employs a sigmoid-like function for a more gradual adjustment. Passed STC: LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 64448 W: 16838 L: 16492 D: 31118 Elo +1.87 Ptnml(0-2): 145, 7214, 17207, 7466, 192 https://tests.stockfishchess.org/tests/view/6829dc046ec7634154f99fba Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 407340 W: 104458 L: 103408 D: 199474 Elo +0.90 Ptnml(0-2): 196, 42281, 117664, 43335, 194 https://tests.stockfishchess.org/tests/view/6829fe1b6ec7634154f9a036 closes https://github.com/official-stockfish/Stockfish/pull/6091 No functional change see source |