Ratsu 2.1.0 - new version chess engine

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Ratsu - UCI chess engines
Author: Eetu Rantala

Ratsu 2.1.0 what's new?

Small changes, big gains.

What's Changed
Only clear TT between games by @ranzuh in #21
Reduce more in LMR by @ranzuh in #22
Add reverse futility pruning by @ranzuh in #23
Reduce more in NMP by @ranzuh in #24
Elo estimation
This version gains 165.36 +/- 34.54 Elo against Ratsu 2.0.0. I estimate its CCRL blitz Elo to be around 2833 based on games against Peacekeeper 1.50 (W: 165, L: 110, D: 85) and byte-knight 4.0.0 (W: 93, L: 123, D: 86).

Binaries
Binaries for Windows are available. Use highest possible x86-64 v-level for best performance.




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