Latest abrok Development Versions June 6th (SF The gift that keeps on giving )

Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64	Author: pb00067 Date: Sat Jun 6 16:18:42 2020 +0200 Timestamp: 1591453122 Use lowply-history also on low depths STC: https://tests.stockfishchess.org/tests/view/5ed75078f29b40b0fc95a8b9 LLR: 2.93 (-2.94,2.94) {-0.50,1.50} Total: 73928 W: 14301 L: 14005 D: 45622 Elo +1.39 Ptnml(0-2): 1243, 8572, 17096, 8752, 1301 LTC: https://tests.stockfishchess.org/tests/view/5ed895e0f29b40b0fc95a976 LLR: 2.93 (-2.94,2.94) {0.25,1.75} Total: 154848 W: 19684 L: 19074 D: 116090 Elo +1.37 Ptnml(0-2): 1048, 14108, 46627, 14468, 1173 closes https://github.com/official-stockfish/Stockfish/pull/2718 bench: 4582693
Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64	Author: protonspring Date: Sat Jun 6 16:03:19 2020 +0200 Timestamp: 1591452199 small speed-up in movegen pass color as a template parameter. closes https://github.com/official-stockfish/Stockfish/pull/2715 No functional change.
Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64	Author: Moez Jellouli Date: Sat Jun 6 15:58:50 2020 +0200 Timestamp: 1591451930 Minimal thinking time, even if only one rootMove. without search, the eval returned can be misleading (e.g. mate instead of draw), leading to wrong adjudication. With a minimal search, this is avoided. This patch leads to 1ms long searches if there is only 1 move, similar patches all indicate a small Elo gain. Fixes https://github.com/official-stockfish/Stockfish/issues/2707 Passed non-regression STC: LLR: 2.93 (-2.94,2.94) {-1.50,0.50} Total: 22312 W: 4350 L: 4204 D: 13758 Elo +2.27 Ptnml(0-2): 323, 2488, 5437, 2536, 372 https://tests.stockfishchess.org/tests/view/5ed562b0f29b40b0fc95a7d0 closes https://github.com/official-stockfish/Stockfish/pull/2709 Bench: 4733799

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