stockfish-nnue-2020-07-13

Changes:

• Fixed a bug that game results are not correct in pgn_to_plain.py. Thank you, farmersrice.
• Fixed a bug that gensfen command does not accept the use_draw_in_training_data_generation option.

The nn parameter file is not included in this release. Please find the strongest nn parameter file in the #sf-nnue-dev channge in the Stockfish unofficial Discord server (https://discord.gg/ZzJwPv3).

filename	CPU instructions	Supported CPUs
sse2	Intel Streaming SIMD Extensions 2	< Core 2 Duo (Merom)
ssse3	Intel Supplemental Streaming SIMD Extensions 3	>= Core 2 Duo (Merom)
sse41	Intel Streaming SIMD Extensions 4.1	>= Core 2 Duo (Penryn)
sse42	Intel Streaming SIMD Extensions 4.2	>= Core i7 (Bloomfield)
avx2	Intel Advanced Vector Extensions 2	Modern AMD Processors
bmi2	Intel Advanced Vector Extensions 2	>= Core i7 (Haswell)

filename	network
no-nnue	No neural networks included.
halfkp_256x2-32-32	halfkp_256x2-32-32
halfkp_384x2-32-32	halfkp_384x2-32-32

filename	usage
nnue-gen-sfen-from-original-eval	training data generator.
nnue	chess engine
nnue-learn	training data generator + trainer with blas (training is fast)