Latest abrok Development Versions October 18th (SF The gift that keeps on giving )

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 Oct 18 13:54:28 2020 +0200
Timestamp: 1603022068

Do more reductions for late quiet moves in case of consecutive fail highs.

Idea of this patch can be described as following - in case we have consecutive fail highs and we reach late enough moves at root node probability of remaining quiet moves being able to produce even bigger value than moves that produced previous cutoff (so ones that should be high in move ordering but now they fail to produce beta cutoff because we actually reached high move count) should be quiet small so we can reduce them more.

passed STC
LLR: 2.94 (-2.94,2.94) {-0.25,1.25}
Total: 53392 W: 5681 L: 5474 D: 42237 Elo +1.35
Ptnml(0-2): 214, 4104, 17894, 4229, 255
https://tests.stockfishchess.org/tests/view/5f88501adcdad978fe8c527e

passed LTC
LLR: 2.94 (-2.94,2.94) {0.25,1.25}
Total: 59136 W: 2773 L: 2564 D: 53799 Elo +1.23
Ptnml(0-2): 30, 2117, 25078, 2300, 43
https://tests.stockfishchess.org/tests/view/5f884dbfdcdad978fe8c527a

closes https://github.com/official-stockfish/Stockfish/pull/3184

Bench: 4066972
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: Sun Oct 18 13:43:26 2020 +0200
Timestamp: 1603021406

Update default net to nn-eba324f53044.nnue

The new net is based on the previous net 04cf2b4ed1da but with the biases
for the 1st hidden layer tuned SPSA, see the SPSA session on fishtest there:
https://tests.stockfishchess.org/tests/view/5f875213dcdad978fe8c5211

Thanks to @vondele for writing out the net, see discussion in this thread:
https://github.com/mstembera/Stockfish/commit/432da86721647dff1d9426a7cdcfd2dbada8155e

Passed STC:
LLR: 2.94 (-2.94,2.94) {-0.25,1.25}
Total: 15000 W: 1640 L: 1483 D: 11877 Elo +3.64
Ptnml(0-2): 50, 1183, 4908, 1278, 81
https://tests.stockfishchess.org/tests/view/5f8955e20fea1a44ec4f0a5d

Passed LTC:
LLR: 2.96 (-2.94,2.94) {0.25,1.25}
Total: 81272 W: 3948 L: 3682 D: 73642 Elo +1.14
Ptnml(0-2): 64, 3194, 33856, 3456, 66
https://tests.stockfishchess.org/tests/view/5f89e8efeae8a6e60644d6e7

closes https://github.com/official-stockfish/Stockfish/pull/3187

Bench: 3762411
see source

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