| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: SFisGOD
Date: Tue Aug 11 13:46:02 2020 +0200 Timestamp: 1597146362 Tweak castling extension Change condition from three friendly pieces to two. This now means that we only extend castling on the king side if there are no other friendly pieces aside from king and rook. For the queen side, we only extend if there is only a rook and another friendly piece or if there is only a single rook and no other friendly piece but this is very rare. STC: LLR: 3.20 (-2.94,2.94) {-0.50,1.50} Total: 31144 W: 4086 L: 3903 D: 23155 Elo +2.04 Ptnml(0-2): 227, 2843, 9278, 2968, 256 https://tests.stockfishchess.org/tests/view/5f31487f9081672066537516 LTC: LLR: 2.93 (-2.94,2.94) {0.25,1.75} Total: 57816 W: 3786 L: 3538 D: 50492 Elo +1.49 Ptnml(0-2): 92, 2991, 22488, 3251, 86 https://tests.stockfishchess.org/tests/view/5f3167c3908167206653753d closes https://github.com/official-stockfish/Stockfish/pull/2980 Bench: 4244812 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Guy Vreuls
Date: Tue Aug 11 08:17:03 2020 +0200 Timestamp: 1597126623 This commit enables a mixed bench, to improve CI and allow for PGO (profile-build) of the NNUE part of the code. Joint work gvreuls / vondele * Download the default NNUE net in AppVeyor * Download net in travis CI `make net` * Adjust tests to cover more archs, speedup instrumented testing * Introduce 'mixed' bench as default, with further options: classical, NNUE, mixed. mixed (default) and NNUE require the default net to be present, which can be obtained with ``` make net ``` Further examples (first is equivalent to `./stockfish bench`): ``` ./stockfish bench 16 1 13 default depth mixed ./stockfish bench 16 1 13 default depth classical ./stockfish bench 16 1 13 default depth NNUE ``` The net is now downloaded automatically if needed for `profile-build` (usual `build` works fine without net present) PGO gives a nice speedup on fishtest: passed STC: LLR: 2.93 (-2.94,2.94) {-0.50,1.50} Total: 3360 W: 469 L: 343 D: 2548 Elo +13.03 Ptnml(0-2): 20, 246, 1030, 356, 28 https://tests.stockfishchess.org/tests/view/5f31b5499081672066537569 passed LTC: LLR: 2.97 (-2.94,2.94) {0.25,1.75} Total: 8824 W: 609 L: 502 D: 7713 Elo +4.21 Ptnml(0-2): 8, 430, 3438, 519, 17 https://tests.stockfishchess.org/tests/view/5f31c87b908167206653757c closes https://github.com/official-stockfish/Stockfish/pull/2931 fixes https://github.com/official-stockfish/Stockfish/issues/2907 requires fishtest updates before commit Bench: 4290577 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Windows 32 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 Aug 11 08:17:03 2020 +0200 Timestamp: 1597126623 Fix AVX512 build with older compilers avoids an intrinsic that is missing in gcc < 10. For this target, might trigger another gcc bug on windows that requires up-to-date gcc 8, 9, or 10, or usage of clang. Fixes https://github.com/official-stockfish/Stockfish/issues/2975 closes https://github.com/official-stockfish/Stockfish/pull/2976 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 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Tue Aug 11 08:17:03 2020 +0200 Timestamp: 1597126623 More aligned_alloc changes to support Android Move to posix_memalign for those platforms, in particular android, that do not fully support c++17 std::aligned_alloc() (and are not windows) see https://github.com/official-stockfish/Stockfish/issues/2860 closes https://github.com/official-stockfish/Stockfish/pull/2973 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 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Guy Vreuls
Date: Tue Aug 11 08:17:03 2020 +0200 Timestamp: 1597126623 Fix parallel LTO issues on Windows This adds -save-temps to the linker flags when parallel LTO is used on MinGW/MSYS. fixes #2977 closes https://github.com/official-stockfish/Stockfish/pull/2978 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 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Vizvezdenec
Date: Tue Aug 11 08:17:03 2020 +0200 Timestamp: 1597126623 Add comments to probCut code and rename a variable closes https://github.com/official-stockfish/Stockfish/pull/2819 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 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Unai Corzo
Date: Mon Aug 10 19:17:57 2020 +0200 Timestamp: 1597079877 Assorted search parameter tune STC https://tests.stockfishchess.org/tests/view/5f31219090816720665374ec LLR: 2.96 (-2.94,2.94) {-0.50,1.50} Total: 3376 W: 487 L: 359 D: 2530 Elo +13.18 Ptnml(0-2): 17, 253, 1042, 337, 39 LTC https://tests.stockfishchess.org/tests/view/5f3127f79081672066537502 LLR: 2.93 (-2.94,2.94) {0.25,1.75} Total: 8360 W: 581 L: 475 D: 7304 Elo +4.41 Ptnml(0-2): 11, 407, 3238, 513, 11 closes https://github.com/official-stockfish/Stockfish/pull/2971 bench: 4733874 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Fanael Linithien
Date: Mon Aug 10 19:17:57 2020 +0200 Timestamp: 1597079877 Provide vectorized NNUE code for SSE2 and MMX targets This patch allows old x86 CPUs, from AMD K8 (which the x86-64 baseline targets) all the way down to the Pentium MMX, to benefit from NNUE with comparable performance hit versus hand-written eval as on more modern processors. NPS of the bench with NNUE enabled on a Pentium III 1.13 GHz (using the MMX code): master: 38951 this patch: 80586 NPS of the bench with NNUE enabled using baseline x86-64 arch, which is how linux distros are likely to package stockfish, on a modern CPU (using the SSE2 code): master: 882584 this patch: 1203945 closes https://github.com/official-stockfish/Stockfish/pull/2956 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 Windows 32 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 Aug 10 14:38:17 2020 +0200 Timestamp: 1597063097 Cleanup and optimize SSE/AVX code AVX512 +4% faster AVX2 +1% faster SSSE3 +5% faster passed non-regression STC: STC https://tests.stockfishchess.org/tests/view/5f31249f90816720665374f6 LLR: 2.96 (-2.94,2.94) {-1.50,0.50} Total: 17576 W: 2344 L: 2245 D: 12987 Elo +1.96 Ptnml(0-2): 127, 1570, 5292, 1675, 124 closes https://github.com/official-stockfish/Stockfish/pull/2962 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 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: sf-x
Date: Mon Aug 10 14:32:11 2020 +0200 Timestamp: 1597062731 Makefile rework/cleanup Makefile targets x86-64-sse42, x86-sse3 are removed; x86-64-sse41 is renamed to x86-64-sse41-popcnt (it did enable popcnt). Makefile variables sse3, sse42, their associated compilation flags and code in misc.cpp are removed. closes https://github.com/official-stockfish/Stockfish/pull/2922 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 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: SFisGOD
Date: Mon Aug 10 11:14:46 2020 +0200 Timestamp: 1597050886 Modify castling extension Extend castling only if there are few friendly pieces on the castling side. Inspired by silversolver1's (Rahul Dsilva) test https://tests.stockfishchess.org/tests/view/5f0fef560640035f9d2978cf STC: LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 7096 W: 947 L: 818 D: 5331 Elo +6.32 Ptnml(0-2): 32, 604, 2181, 665, 66 https://tests.stockfishchess.org/tests/view/5f309f729081672066537426 LTC: LLR: 2.96 (-2.94,2.94) {0.25,1.75} Total: 4712 W: 300 L: 215 D: 4197 Elo +6.27 Ptnml(0-2): 2, 190, 1895, 259, 10 https://tests.stockfishchess.org/tests/view/5f30a2039081672066537430 closes https://github.com/official-stockfish/Stockfish/pull/2970 Bench: 4094850 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Windows 32 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 Aug 10 11:12:35 2020 +0200 Timestamp: 1597050755 Workaround using unaligned loads for gcc < 9 despite usage of alignas, the generated (avx2/avx512) code with older compilers needs to use unaligned loads with older gcc (e.g. confirmed crash with gcc 7.3/mingw on abrok). Better performance thus requires gcc >= 9 on hardware supporting avx2/avx512 closes https://github.com/official-stockfish/Stockfish/pull/2969 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 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: jjoshua2
Date: Mon Aug 10 07:34:45 2020 +0200 Timestamp: 1597037685 simplying hybrid condition STC https://tests.stockfishchess.org/tests/view/5f3059d1908167206653736b: LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 12520 W: 766 L: 727 D: 11027 Elo +1.08 Ptnml(0-2): 13, 624, 4949, 659, 15 LTC: https://tests.stockfishchess.org/tests/view/5f30863a90816720665373d1 LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 12520 W: 766 L: 727 D: 11027 Elo +1.08 Ptnml(0-2): 13, 624, 4949, 659, 15 closes: https://github.com/official-stockfish/Stockfish/pull/2965 Bench: 4084753 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Sergio Vieri
Date: Mon Aug 10 07:29:40 2020 +0200 Timestamp: 1597037380 Update default net to nn-112bb1c8cdb5.nnue First trained net using search eval instead of pv leaf static eval. Net created at: 20200810-0744 passed STC: https://tests.stockfishchess.org/tests/view/5f30995d90816720665373f8 LLR: 2.93 (-2.94,2.94) {-0.50,1.50} Total: 15416 W: 2071 L: 1920 D: 11425 Elo +3.40 Ptnml(0-2): 123, 1376, 4563, 1519, 127 passed LTC: https://tests.stockfishchess.org/tests/view/5f30a104908167206653742b LLR: 2.93 (-2.94,2.94) {0.25,1.75} Total: 29792 W: 2003 L: 1834 D: 25955 Elo +1.97 Ptnml(0-2): 50, 1541, 11550, 1700, 55 closes https://github.com/official-stockfish/Stockfish/pull/2966 Bench: 4084753 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Mon Aug 10 07:28:19 2020 +0200 Timestamp: 1597037299 Revert "Avoid special casing for MinGW" This reverts commit a6e89293df5af35931b61d86b6de3872a981c100. The offending setup has been found as gcc/mingw 7.3 (on Ubuntu 18.04). fixes https://github.com/official-stockfish/Stockfish/issues/2963 closes https://github.com/official-stockfish/Stockfish/issues/2968 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 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Sun Aug 9 23:51:07 2020 +0200 Timestamp: 1597009867 Fix a data race for NNUE the stateInfo at the rootPos is no longer read-only, as the NNUE accumulator is part of it. Threads can thus not share this object and need their own copy. tested for no regression https://tests.stockfishchess.org/tests/view/5f3022239081672066536bce LLR: 2.96 (-2.94,2.94) {-1.50,0.50} Total: 52800 W: 6843 L: 6802 D: 39155 Elo +0.27 Ptnml(0-2): 336, 4646, 16399, 4679, 340 closes https://github.com/official-stockfish/Stockfish/pull/2957 fixes https://github.com/official-stockfish/Stockfish/issues/2933 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 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Dariusz Orzechowski
Date: Sun Aug 9 23:49:14 2020 +0200 Timestamp: 1597009754 Avoid special casing for MinGW after some testing, no version of MinGW/gcc has been found where this code is still necessary. Probably older code (pre-c++17?) closes https://github.com/official-stockfish/Stockfish/pull/2891 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 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Vizvezdenec
Date: Sun Aug 9 21:26:17 2020 +0200 Timestamp: 1597001177 Adjust NNUE usage based on number of pawns in position The idea of this patch is that positions are usually more complex and hard to evaluate even if there are more pawns. This patch adjusts NNUE threshold usage depending on number of pawns in position, if pawn count is <3 we use the classical evaluation more often, for pawn count = 3 patch the is non-functional, with pawn count > 3 NNUE evaluation is used more often. passed STC https://tests.stockfishchess.org/tests/view/5f2f02d09081672066536b1f LLR: 2.96 (-2.94,2.94) {-0.50,1.50} Total: 36520 W: 5011 L: 4823 D: 26686 Elo +1.79 Ptnml(0-2): 299, 3482, 10548, 3594, 337 passed LTC https://tests.stockfishchess.org/tests/view/5f2f4c329081672066536b5c LLR: 2.98 (-2.94,2.94) {0.25,1.75} Total: 39272 W: 2630 L: 2433 D: 34209 Elo +1.74 Ptnml(0-2): 53, 2066, 15218, 2229, 70 closes https://github.com/official-stockfish/Stockfish/pull/2960 bench 4084753 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Sun Aug 9 21:25:22 2020 +0200 Timestamp: 1597001122 Fix aligned_alloc on MinGW introduced with d7a26899a973536ab9d3ce4771d8276d1a4dc55c closes https://github.com/official-stockfish/Stockfish/pull/2959 No functional change. see source |
| Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Joost VandeVondele
Date: Sun Aug 9 17:09:18 2020 +0200 Timestamp: 1596985758 Improve error message on missing net. small rewording, but also print the download url for the default net. closes https://github.com/official-stockfish/Stockfish/pull/2954 No functional change see source |
| Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Daniel Dugovic
Date: Sun Aug 9 17:07:45 2020 +0200 Timestamp: 1596985665 Use fallback implementation for C++ aligned_alloc fixes https://github.com/official-stockfish/Stockfish/issues/2921 closes https://github.com/official-stockfish/Stockfish/pull/2927 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 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Unai Corzo
Date: Sat Aug 8 22:42:00 2020 +0200 Timestamp: 1596919320 LMR search tweak All credit to Vizvezdenec, the original author of the idea. STC https://tests.stockfishchess.org/tests/view/5f2d606a61e3b6af64881f88 LLR: 2.95 (-2.94,2.94) {-0.50,1.50} Total: 8440 W: 1191 L: 1048 D: 6201 Elo +5.89 Ptnml(0-2): 59, 754, 2467, 865, 75 LTC https://tests.stockfishchess.org/tests/view/5f2d84ad61e3b6af64881fbd LLR: 2.95 (-2.94,2.94) {0.25,1.75} Total: 21896 W: 1557 L: 1406 D: 18933 Elo +2.40 Ptnml(0-2): 33, 1185, 8378, 1302, 50 closes https://github.com/official-stockfish/Stockfish/pull/2951 bench: 4084753 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Unai Corzo
Date: Sat Aug 8 22:39:26 2020 +0200 Timestamp: 1596919166 Singular extension search tweak Tweak depth. STC https://tests.stockfishchess.org/tests/view/5f2d22ec61e3b6af64881f40 LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 17984 W: 2603 L: 2441 D: 12940 Elo +3.13 Ptnml(0-2): 133, 1751, 5094, 1849, 165 LTC https://tests.stockfishchess.org/tests/view/5f2d5a6a61e3b6af64881f7f LLR: 2.95 (-2.94,2.94) {0.25,1.75} Total: 85808 W: 5956 L: 5621 D: 74231 Elo +1.36 Ptnml(0-2): 149, 4748, 32785, 5063, 159 closes https://github.com/official-stockfish/Stockfish/pull/2950 fixes two README.md typos: fixes https://github.com/official-stockfish/Stockfish/issues/2932 bench: 4022669 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Guy Vreuls
Date: Sat Aug 8 22:35:18 2020 +0200 Timestamp: 1596918918 Parallelize Link Time Optimization for GCC, CLANG and MINGW This patch tries to run multiple LTO threads in parallel, speeding up the build process of optimized builds if the -j make parameter is used. This mitigates the longer linking times of optimized builds since the integration of the NNUE code. Roughly 2x build speedup. I've tried a similar patch some two years ago but it ran into trouble with old compiler versions then. Since we're on the C++17 standard now these old compilers should be obsolete. closes https://github.com/official-stockfish/Stockfish/pull/2943 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 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Vizvezdenec
Date: Sat Aug 8 22:08:55 2020 +0200 Timestamp: 1596917335 Do more aggressive futility pruning for captures This patch lines up with other patches which use better eval to produce more aggressive cutoffs based on static evaluation of position, it allows more aggressive futility pruning for captures - so now we will be producing them with bigger evaluation of position, so more often. passed STC https://tests.stockfishchess.org/tests/view/5f2da79e61e3b6af64881fd2 LLR: 3.87 (-2.94,2.94) {-0.50,1.50} Total: 27256 W: 3809 L: 3593 D: 19854 Elo +2.75 Ptnml(0-2): 221, 2578, 7830, 2762, 237 passed LTC https://tests.stockfishchess.org/tests/view/5f2df92061e3b6af64882012 LLR: 4.97 (-2.94,2.94) {0.25,1.75} Total: 43624 W: 3095 L: 2820 D: 37709 Elo +2.19 Ptnml(0-2): 66, 2410, 16608, 2639, 89 closes https://github.com/official-stockfish/Stockfish/pull/2946 Bench: 4272280 see source |