Chess engine: Igel 2.3.1 (Windows, Linux, Mac and RaspberryPi)

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Igel - UCI chess engine, Rating JCER=2873
Author : Volodymyr Shcherbyna (Fork of GreKo 2018.01)

 Igel 2.3.1 news
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- Re-write the root search routine
- Re-write aspiration loop with a smaller aspiration window
- Do not cutoff qsearch on pv moves in qsearch
- Handle repetitions at the qsearch entance
- More strict pruning conditions for quiet moves
- Proper way to pass position to child threads in SMP mode to handle repetitions
- Unified condition to killer moves as non-tactical moves
- Perft tests for six different positions

Igel 2.3.1 - download
All files (games, tables and engines) - download from page

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