feat: added board phase in nmp reduction

ArjunBasandrai / elixir-chess-engine

UCI chess engine

https://lichess.org/@/ElixirChessEngine

GNU General Public License v3.0

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feat: added board phase in nmp reduction #127

Closed ArjunBasandrai closed 2 months ago

ArjunBasandrai commented 2 months ago

Elo   | 4.17 +- 2.68 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=8MB
LLR   | 2.90 (-2.25, 2.89) [0.00, 3.00]
Games | N: 18658 W: 3110 L: 2886 D: 12662
Penta | [183, 1862, 5005, 2106, 173]
https://chess.aronpetkovski.com/test/3273/

Bench: 4772842