Chess engine: Lumac0 14

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Lumac0 - UCI chess engine

General Information
Lumac0 is a chess engine written from scratch in C++ by dbenson42 https://github.com/dbenson42.
It is also avalaible on [Lichess](https://lichess.org/@/Lumac0), and it's rated around 1850 points. The engine is under continous improvement, and still needs a lot of optimizations.
## How to compile Lumac0 doesn't require any third party library, all you need in order to compile it is a c++ compiler, preferably g++.

v.14:
Changelog:

Fixed repetition check at root
Tuned some values
Fixed the legal-move verification at root
Added delta pruning to Quiesce
Added d and bench commands, both for testing
Added sort of LMR at root
Cleaned the code, removed ordering.hpp
Other minor changes




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