| !! 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: Disservin
Date: Fri May 23 08:54:06 2025 +0200 Timestamp: 1747983246 Update clang-format to v20 closes https://github.com/official-stockfish/Stockfish/pull/6085 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: Disservin
Date: Fri May 23 08:53:00 2025 +0200 Timestamp: 1747983180 Silence "may be used uninitialized" GCC 15 warning closes https://github.com/official-stockfish/Stockfish/pull/6083 No functional change see source |
| 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: Fri May 23 08:51:54 2025 +0200 Timestamp: 1747983114 Simplify allNode term in prior countermove Passed simplification STC LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 53632 W: 14008 L: 13805 D: 25819 Elo +1.32 Ptnml(0-2): 136, 6253, 13869, 6388, 170 https://tests.stockfishchess.org/tests/view/6828f2b26ec7634154f99b5e Passed simplification LTC LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 82482 W: 21202 L: 21045 D: 40235 Elo +0.66 Ptnml(0-2): 37, 8986, 23052, 9115, 51 https://tests.stockfishchess.org/tests/view/6829010a6ec7634154f99db3 closes https://github.com/official-stockfish/Stockfish/pull/6068 Bench: 2302782 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: ppigazzini
Date: Wed May 21 07:29:57 2025 +0200 Timestamp: 1747805397 ci: add tests and artifacts for windows-11-arm integrate armv8 and armv8-dotprod builds on windows-11-arm in ci, creating the corresponding artifacts. Correct Makefile to drop warnings when providing a CXX, add MINGW ARM64 to get_native_properties.sh fixes https://github.com/official-stockfish/Stockfish/issues/5640 closes https://github.com/official-stockfish/Stockfish/pull/6078 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: Nonlinear2
Date: Wed May 21 07:25:40 2025 +0200 Timestamp: 1747805140 clean up code **Non functional changes:** in search.cpp: - an unnecessary pair of parenthesis in the IIR condition has been removed. - refactored the stalemate trap detection code in movepick.cpp: - use the variables `from`, `to`, `piece`, `pieceType` and `capturedPiece` instead of calling the same functions multiple times in `MovePicker::score()`. - rename `MovePicker::other_piece_types_mobile()`. **Functional changes:** - make sure the processed move is always legal in `MovePicker::other_piece_types_mobile()`. passed non regression STC: https://tests.stockfishchess.org/tests/view/6829da686ec7634154f99faf LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 95680 W: 24962 L: 24820 D: 45898 Elo +0.52 Ptnml(0-2): 221, 9622, 28025, 9738, 234 Passed non regression LTC: https://tests.stockfishchess.org/tests/view/682a102c6ec7634154f9a086 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 117666 W: 30065 L: 29957 D: 57644 Elo +0.32 Ptnml(0-2): 45, 10173, 38291, 10277, 47 Run of 10k games on the stalemate opening book: https://tests.stockfishchess.org/tests/view/682b114e6ec7634154f9aa2d Elo: 0.76 ± 0.9 (95%) LOS: 95.3% Total: 10000 W: 4637 L: 4615 D: 748 Elo +0.76 Ptnml(0-2): 0, 75, 4828, 97, 0 nElo: 5.83 ± 6.8 (95%) PairsRatio: 1.29 closes https://github.com/official-stockfish/Stockfish/pull/6080 Bench: 2422771 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 May 19 20:49:28 2025 +0200 Timestamp: 1747680568 Simplify TT Replacement Strategy Passed Non-regression STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 50528 W: 13160 L: 12958 D: 24410 Elo +1.39 Ptnml(0-2): 132, 5681, 13439, 5877, 135 https://tests.stockfishchess.org/tests/view/682a8b296ec7634154f9a785 Passed Non-regression STC w/ High Hash Pressure: LLR: 2.98 (-2.94,2.94) <-1.75,0.25> Total: 30048 W: 7849 L: 7621 D: 14578 Elo +2.64 Ptnml(0-2): 75, 3390, 7884, 3582, 93 https://tests.stockfishchess.org/tests/view/682a9caf6ec7634154f9a7ae Passed Non-regression LTC w/ High Hash Pressure: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 17610 W: 4584 L: 4362 D: 8664 Elo +4.38 Ptnml(0-2): 7, 1799, 4974, 2015, 10 https://tests.stockfishchess.org/tests/view/682ab3966ec7634154f9a8c8 closes https://github.com/official-stockfish/Stockfish/pull/6079 Bench: 2422771 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: Michael Chaly
Date: Mon May 19 20:47:34 2025 +0200 Timestamp: 1747680454 Tweak low ply history Increase low ply history maximum ply by 1 and also allow to use it for check evasions scoring. Pased STC: https://tests.stockfishchess.org/tests/view/682a2db36ec7634154f9a358 LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 66464 W: 17440 L: 17081 D: 31943 Elo +1.88 Ptnml(0-2): 191, 7717, 17056, 8078, 190 Passed LTC: https://tests.stockfishchess.org/tests/view/682a3d406ec7634154f9a39c LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 384030 W: 98476 L: 97452 D: 188102 Elo +0.93 Ptnml(0-2): 180, 41564, 107522, 42550, 199 closes https://github.com/official-stockfish/Stockfish/pull/6075 Bench: 2422771 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 Samek
Date: Mon May 19 20:44:14 2025 +0200 Timestamp: 1747680254 Remove full depth search reduction when cutNode Passed STC-simplification bounds: https://tests.stockfishchess.org/tests/view/6829dd6d6ec7634154f99fd3 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 67872 W: 17629 L: 17443 D: 32800 Elo +0.95 Ptnml(0-2): 167, 7988, 17451, 8152, 178 Passed LTC-simplification bounds: https://tests.stockfishchess.org/tests/view/6829f2176ec7634154f9a01c LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 94818 W: 24328 L: 24184 D: 46306 Elo +0.53 Ptnml(0-2): 52, 10246, 26667, 10394, 50 closes https://github.com/official-stockfish/Stockfish/pull/6074 bench: 2245168 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 May 19 07:45:28 2025 +0200 Timestamp: 1747633528 Simplify Quiet Early Move Penalty Passed STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 185344 W: 47995 L: 47939 D: 89410 Elo +0.10 Ptnml(0-2): 527, 21898, 47754, 21978, 515 https://tests.stockfishchess.org/tests/view/682a47536ec7634154f9a3bc Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 101706 W: 26050 L: 25912 D: 49744 Elo +0.47 Ptnml(0-2): 53, 11056, 28499, 11190, 55 https://tests.stockfishchess.org/tests/view/682a61736ec7634154f9a50e closes https://github.com/official-stockfish/Stockfish/pull/6072 Bench: 2012032 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: mstembera
Date: Mon May 19 07:42:56 2025 +0200 Timestamp: 1747633376 Simplify handling of good/bad quiets Simplify the handling of good/bad quiets and make it more similar to the way we handle good/bad captures. The good quiet limit was adjusted from -7998 to -14000 to keep the ratio of good/bad quiets about the same as master. This also fixes a "bug" that previously returned some bad quiets during the GOOD_QUIET stage when some qood quiets weren't sorted at low depths. STC https://tests.stockfishchess.org/tests/view/6827a68c6ec7634154f9992b LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 75936 W: 19722 L: 19547 D: 36667 Elo +0.80 Ptnml(0-2): 186, 8937, 19589, 9028, 228 LTC https://tests.stockfishchess.org/tests/view/6828f8096ec7634154f99b82 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 104112 W: 26773 L: 26638 D: 50701 Elo +0.45 Ptnml(0-2): 51, 11363, 29098, 11488, 56 closes https://github.com/official-stockfish/Stockfish/pull/6071 Bench: 2007023 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: Shawn Xu
Date: Mon May 19 07:39:56 2025 +0200 Timestamp: 1747633196 Simplify In-Check Statscore Passed Non-regression STC: LLR: 2.98 (-2.94,2.94) <-1.75,0.25> Total: 129760 W: 33701 L: 33580 D: 62479 Elo +0.32 Ptnml(0-2): 359, 15248, 33575, 15309, 389 https://tests.stockfishchess.org/tests/view/681a88193629b02d74b17123 Passed Non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 519612 W: 132224 L: 132512 D: 254876 Elo -0.19 Ptnml(0-2): 246, 56823, 145960, 56527, 250 https://tests.stockfishchess.org/tests/view/681f9ed43629b02d74b177c3 closes https://github.com/official-stockfish/Stockfish/pull/6070 bench: 2046462 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 May 19 07:37:15 2025 +0200 Timestamp: 1747633035 Check evaluation after ttMove before doing a tt cut Passed STC LLR: 2.97 (-2.94,2.94) <0.00,2.00> Total: 239136 W: 62222 L: 61608 D: 115306 Elo +0.89 Ptnml(0-2): 675, 28046, 61525, 28634, 688 https://tests.stockfishchess.org/tests/view/681053293629b02d74b1668f Passed LTC LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 448770 W: 115237 L: 114088 D: 219445 Elo +0.89 Ptnml(0-2): 177, 48128, 126619, 49291, 170 https://tests.stockfishchess.org/tests/view/681902de3629b02d74b16f6d closes https://github.com/official-stockfish/Stockfish/pull/6069 Bench: 2035432 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: FauziAkram
Date: Mon May 19 07:31:26 2025 +0200 Timestamp: 1747632686 Remove a moveCount condition Passed STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 70816 W: 18315 L: 18134 D: 34367 Elo +0.89 Ptnml(0-2): 210, 8213, 18360, 8436, 189 https://tests.stockfishchess.org/tests/view/68248197a527315e07cccb2d Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 121770 W: 31248 L: 31130 D: 59392 Elo +0.34 Ptnml(0-2): 61, 13338, 33995, 13404, 87 https://tests.stockfishchess.org/tests/view/68272ff46ec7634154f998ad closes https://github.com/official-stockfish/Stockfish/pull/6067 bench: 2319161 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: Mapika
Date: Mon May 19 07:27:26 2025 +0200 Timestamp: 1747632446 Add quiet move streak tracking to search stack Passed STC: LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 109344 W: 28473 L: 28053 D: 52818 Elo +1.33 Ptnml(0-2): 320, 12756, 28085, 13206, 305 https://tests.stockfishchess.org/tests/view/6828c43e6ec7634154f99a10 Passed LTC: LLR: 2.96 (-2.94,2.94) <0.50,2.50> Total: 76308 W: 19721 L: 19323 D: 37264 Elo +1.81 Ptnml(0-2): 39, 8145, 21386, 8547, 37 https://tests.stockfishchess.org/tests/view/6828f65a6ec7634154f99b72 closes https://github.com/official-stockfish/Stockfish/pull/6066 Bench: 2161814 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 May 19 07:22:20 2025 +0200 Timestamp: 1747632140 Simplify Futility Margin Passed STC Non-regression: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 159008 W: 41500 L: 41414 D: 76094 Elo +0.19 Ptnml(0-2): 501, 18821, 40759, 18937, 486 https://tests.stockfishchess.org/tests/view/680ff9e23629b02d74b1663a Passed LTC Non-regression: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 163572 W: 41617 L: 41543 D: 80412 Elo +0.16 Ptnml(0-2): 90, 17755, 46024, 17825, 92 https://tests.stockfishchess.org/tests/view/6814dd973629b02d74b16bac closes https://github.com/official-stockfish/Stockfish/pull/6065 Bench: 2018775 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: Shawn Xu
Date: Mon May 19 07:17:39 2025 +0200 Timestamp: 1747631859 Shrink Enum Sizes Passed STC: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 110848 W: 28974 L: 28564 D: 53310 Elo +1.29 Ptnml(0-2): 302, 12118, 30132, 12612, 260 https://tests.stockfishchess.org/tests/view/68242770a527315e07ccca38 closes https://github.com/official-stockfish/Stockfish/pull/6063 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 May 19 07:13:39 2025 +0200 Timestamp: 1747631619 Simplify PCM TTMove Bonus Passed Non-regression STC: LLR: 2.97 (-2.94,2.94) <-1.75,0.25> Total: 114048 W: 29597 L: 29459 D: 54992 Elo +0.42 Ptnml(0-2): 315, 13619, 29045, 13703, 342 https://tests.stockfishchess.org/tests/view/681e83533629b02d74b17701 Passed Non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 61014 W: 15582 L: 15405 D: 30027 Elo +1.01 Ptnml(0-2): 25, 6485, 17307, 6668, 22 https://tests.stockfishchess.org/tests/view/68226b523629b02d74b17b89 closes https://github.com/official-stockfish/Stockfish/pull/6061 bench 2016566 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 May 19 07:12:11 2025 +0200 Timestamp: 1747631531 Refactor Position::pseudo_legal Pawn Move Check use intermediate variables to make the statement easier to read closes https://github.com/official-stockfish/Stockfish/pull/6045 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: Tue May 13 20:47:50 2025 +0200 Timestamp: 1747162070 Introducing a depth component to the penalty. Passed STC: LLR: 2.97 (-2.94,2.94) <0.00,2.00> Total: 31648 W: 8358 L: 8050 D: 15240 Elo +3.38 Ptnml(0-2): 78, 3596, 8182, 3876, 92 https://tests.stockfishchess.org/tests/view/680fa73d3629b02d74b165a9 Passed LTC: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 177720 W: 45524 L: 44920 D: 87276 Elo +1.18 Ptnml(0-2): 91, 19130, 49813, 19736, 90 https://tests.stockfishchess.org/tests/view/68109e2c3629b02d74b166ee closes https://github.com/official-stockfish/Stockfish/pull/6060 Bench: 2251724 see source |
| Windows x64 for modern computers + AVX2 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: Tue May 13 20:46:27 2025 +0200 Timestamp: 1747161987 Do more extensions in nodes far from the root Parameters found by @FauziAkram in the latest tune. Passed VVLTC w/ LTC Bound: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 243264 W: 63452 L: 62774 D: 117038 Elo +0.97 Ptnml(0-2): 18, 22494, 75934, 23164, 22 https://tests.stockfishchess.org/tests/view/680e82b23629b02d74b15e27 Passed VVLTC w/ STC Bound: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 37838 W: 9935 L: 9667 D: 18236 Elo +2.46 Ptnml(0-2): 6, 3383, 11873, 3651, 6 https://tests.stockfishchess.org/tests/view/681e707a3629b02d74b176e8 STC Elo Estimate: Elo: -0.49 ± 2.4 (95%) LOS: 34.8% Total: 20000 W: 5118 L: 5146 D: 9736 Elo -0.49 Ptnml(0-2): 55, 2365, 5182, 2349, 49 nElo: -0.96 ± 4.8 (95%) PairsRatio: 0.99 https://tests.stockfishchess.org/tests/view/6822af4b3629b02d74b17be6 closes https://github.com/official-stockfish/Stockfish/pull/6059 Bench: 2135382 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: Tue May 13 20:42:36 2025 +0200 Timestamp: 1747161756 Simplify futility pruning term Passed simplification STC LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 49920 W: 12933 L: 12727 D: 24260 Elo +1.43 Ptnml(0-2): 141, 5865, 12752, 6051, 151 https://tests.stockfishchess.org/tests/view/681d01d33629b02d74b1756e Passed simplification LTC LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 68808 W: 17573 L: 17402 D: 33833 Elo +0.86 Ptnml(0-2): 23, 7343, 19511, 7494, 33 https://tests.stockfishchess.org/tests/view/681e33843629b02d74b176b1 closes https://github.com/official-stockfish/Stockfish/pull/6058 Bench: 2041086 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: Tue May 13 20:41:01 2025 +0200 Timestamp: 1747161661 Simplify probcut Passed STC: LLR: 2.97 (-2.94,2.94) <-1.75,0.25> Total: 80800 W: 20947 L: 20774 D: 39079 Elo +0.74 Ptnml(0-2): 217, 9446, 20906, 9609, 222 https://tests.stockfishchess.org/tests/view/680e83163629b02d74b15e2a Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 359004 W: 91362 L: 91486 D: 176156 Elo -0.12 Ptnml(0-2): 177, 39133, 101007, 39007, 178 https://tests.stockfishchess.org/tests/view/680e95db3629b02d74b15e7a closes https://github.com/official-stockfish/Stockfish/pull/6054 Bench: 2060860 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: gab8192
Date: Tue May 13 20:40:26 2025 +0200 Timestamp: 1747161626 Simplify low-ply history weight Passed Non-regression STC: LLR: 2.97 (-2.94,2.94) <-1.75,0.25> Total: 116064 W: 30095 L: 29959 D: 56010 Elo +0.41 Ptnml(0-2): 333, 13753, 29731, 13875, 340 https://tests.stockfishchess.org/tests/view/681229f53629b02d74b168d3 Passed Non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 172824 W: 44096 L: 44031 D: 84697 Elo +0.13 Ptnml(0-2): 91, 18868, 48410, 18971, 72 https://tests.stockfishchess.org/tests/view/681474243629b02d74b16b44 closes https://github.com/official-stockfish/Stockfish/pull/6053 Bench: 2064179 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: Tue May 13 20:39:23 2025 +0200 Timestamp: 1747161563 Remove a cutNode condition Allow some nodes to spawn even deeper lmr searches, also for cutNodes Passed STC: LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 59072 W: 15387 L: 15190 D: 28495 Elo +1.16 Ptnml(0-2): 145, 6956, 15166, 7095, 174 https://tests.stockfishchess.org/tests/view/6810b4c13629b02d74b16714 Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 93294 W: 23737 L: 23591 D: 45966 Elo +0.54 Ptnml(0-2): 47, 10116, 26169, 10274, 41 https://tests.stockfishchess.org/tests/view/681170613629b02d74b167f3 closes https://github.com/official-stockfish/Stockfish/pull/6052 Bench: 1937565 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: Tue May 13 20:39:02 2025 +0200 Timestamp: 1747161542 Simplify Captures scoring STC https://tests.stockfishchess.org/tests/view/680ee3b43629b02d74b160f3 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 200896 W: 52089 L: 52048 D: 96759 Elo +0.07 Ptnml(0-2): 592, 23821, 51589, 23846, 600 LTC https://tests.stockfishchess.org/tests/view/68106adf3629b02d74b166b1 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 128856 W: 33026 L: 32917 D: 62913 Elo +0.29 Ptnml(0-2): 54, 13916, 36384, 14015, 59 Replaces discovered checks by direct checks which are simpler and more common. It's also what's used for scoring quiets. closes https://github.com/official-stockfish/Stockfish/pull/6047 Bench: 1886966 see source |