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Posts : 1295Reputation : 3534Join date : 2010-02-27Location : ??? Subject: Latest abrok Development Version April 6th 2021 (SF The gift that keeps on giving ) Tue Apr 06, 2021 7:46 pm !! latest version !! 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 Apr 6 18:23:35 2021 +0200 Timestamp: 1617726215 Replace distanceFromPv with a better logic This patch removes the recently introduced distanceFromPv logic, and replaces it with following logic: if reduction of moves with low movecount is really negative, we search them deeper than the first move. passed STC: LLR: 2.95 (-2.94,2.94) {-0.20,1.10} Total: 153008 W: 13913 L: 13579 D: 125516 Elo +0.76 Ptnml(0-2): 547, 10811, 53470, 11113, 563 https://tests.stockfishchess.org/tests/view/6069c9d02b2df919fd5f04d2 passed LTC: LLR: 2.94 (-2.94,2.94) {0.20,0.90} Total: 101920 W: 3964 L: 3699 D: 94257 Elo +0.90 Ptnml(0-2): 55, 3279, 44019, 3560, 47 https://tests.stockfishchess.org/tests/view/606a99fd2b2df919fd5f0532 Closes https://github.com/official-stockfish/Stockfish/pull/3421 Bench: 4191632 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: Stéphane Nicolet Date: Tue Apr 6 09:07:20 2021 +0200 Timestamp: 1617692840 Keep more pawns This patch increases the weight of pawns in the scale factor applied to the output of the NNUE evaluation. This has the effect that Stockfish will try a little bit harder to keep more pawns in position where the engine has the advantage, and exchange more pawns in bad positions. STC: LLR: 2.93 (-2.94,2.94) {-0.20,1.10} Total: 42552 W: 3858 L: 3668 D: 35026 Elo +1.55 Ptnml(0-2): 152, 2956, 14876, 3134, 158 https://tests.stockfishchess.org/tests/view/606a06dd2b2df919fd5f0504 LTC: LLR: 2.95 (-2.94,2.94) {0.20,0.90} Total: 44328 W: 1703 L: 1531 D: 41094 Elo +1.35 Ptnml(0-2): 20, 1373, 19207, 1543, 21 https://tests.stockfishchess.org/tests/view/606aa4ec2b2df919fd5f053e Closes https://github.com/official-stockfish/Stockfish/pull/3420 Bench: 4310076 see source
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