Latest abrok Development Version September 11 th (SF The gift that keeps on giving

!! 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: Michael Chaly Date: Sun Sep 11 14:15:54 2022 +0200 Timestamp: 1662898554 Do less singular extensions for former PVnode Patch is a reintroduction of logic what was simplified a while ago in a slightly different form. Do bigger extension offset in case of non-pv node having a pv. passed STC https://tests.stockfishchess.org/tests/view/631977c048f27688a06e66d5 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 23296 W: 6404 L: 6108 D: 10784 Elo +4.41 Ptnml(0-2): 88, 2539, 6118, 2795, 108 passed LTC https://tests.stockfishchess.org/tests/view/631989cb48f27688a06e696c LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 235592 W: 63890 L: 63188 D: 108514 Elo +1.04 Ptnml(0-2): 275, 23392, 69804, 24006, 319 closes https://github.com/official-stockfish/Stockfish/pull/4159 Bench: 3993611 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: Dubslow Date: Sun Sep 11 14:13:24 2022 +0200 Timestamp: 1662898404 Razor also on PV nodes Simplification introduced by xoto10 blue LTC vs new master: https://tests.stockfishchess.org/tests/view/631ad4ef9cfa5e9b648d1b4e LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 59184 W: 16002 L: 15828 D: 27354 Elo +1.02 Ptnml(0-2): 65, 5777, 17747, 5925, 78 blue STC vs old master: https://tests.stockfishchess.org/tests/view/6306b87b902a848543334c25 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 213944 W: 57184 L: 57159 D: 99601 Elo +0.04 Ptnml(0-2): 877, 23448, 58331, 23405, 911 blue LTC vs old master: https://tests.stockfishchess.org/tests/view/63070e6b902a8485433357e7 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 192080 W: 52050 L: 52006 D: 88024 Elo +0.08 Ptnml(0-2): 232, 18981, 57611, 18943, 273 closes https://github.com/official-stockfish/Stockfish/pull/4147 bench 4208975 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: Sun Sep 11 14:05:39 2022 +0200 Timestamp: 1662897939 Further LTC tuning of search parameters Tuning done by bigpenor with some hand adjustments on top by Viz. Had a good performance at fixed games 180+1.8: https://tests.stockfishchess.org/tests/view/631836b437f41b13973d7da1 Elo: 1.35 +-1.2 (95%) LOS: 98.6% Total: 60000 W: 16422 L: 16189 D: 27389 Elo +1.35 Ptnml(0-2): 39, 5335, 18992, 5622, 12 nElo: 3.13 +-2.8 (95%) PairsRatio: 1.05 Passed 60+0.6 8 threads SPRT: https://tests.stockfishchess.org/tests/view/631ba0ff74bc4fe483a99db3 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 29712 W: 8301 L: 8039 D: 13372 Elo +3.06 Ptnml(0-2): 12, 2318, 9925, 2598, 3 closes https://github.com/official-stockfish/Stockfish/pull/4160 bench 3938073 see source

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Bettina...............The greatest happiness of life is the conviction that we are loved.

Victor Hugo