Changes

[[Stockfish#Fishtest|Fishtest]] team did a Regression Tests <ref>[https://github.com/glinscott/fishtest/wiki/Regression-Tests Regression Tests], August 22, 2020</ref> in August 2020, exclusively from 40.000 games tests at long time control (60sec + 0.6 for single-core, 30sec + 0.3 for 8 cores tests). The result was used to create the graph of Stockfish progress since version 11. The chart lines first increased sharply after merging NNUE.

In reply to [[Unai Corzo]], [[Yu Nasu]] suggested 3 techniques that applied successfully to Shogy Shogi and can be brought back to Stockfish NNUE and may improve it another 100 - 200 Elo<ref>[http://yaneuraou.yaneu.com/2020/08/21/3-technologies-in-shogi-ai-that-could-be-used-for-chess-ai/ 3 technologies in shogi AI that could be used for chess AI], [[Yu Nasu]], August 2020</ref><ref>[https://github.com/official-stockfish/Stockfish/issues/2915#issuecomment-678112885, GitHub - NNUE ideas and discussion (post-merge). #2915], August 2020</ref>:* Optimize Optimizing all parameters together by [https://en.wikipedia.org/wiki/Stochastic_optimization stochastic optimization]* Switch Switching between multi-evaluation functions, according to [[Game Phases|game phases]]* Automatic generate generation of [[Opening Book|opening book ]] on the fly