Change:
Reduced Razoring to depth 2
Added Futility Pruning (to depth 6)
if a node is marked futile, only search checks, captures, and promotions
Rewrote LMR
Cleaner, easier to understand code
Precomputes LMR tables for speed (idea from Ethereal)
Elo was tested with 15"+0.3" games, expect a little more elo in longer time controls
CeeChess 1.3.1 download
All files (games, tables and engines) - download from page
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