Ursus is a UCI-compatible chess engine written in Zig. It supports standard, fisher random and double fisher random chess!
It uses a bitboard-based board representation, alpha-beta search with many search optimizations, and uses a NNUE for evaluation.
It uses a bitboard-based board representation, alpha-beta search with many search optimizations, and uses a NNUE for evaluation.
Author: Zander Rating Chess Engines Diary CEDR=3521
Ursus 1.1.0 what's new?
Elo comparison from the last 1.0.1 release
DFRC_4852_v1.epd
STC: Elo | 71.06 +- 8.05
LTC: 72.25 +- 12.79
8moves_v3.epd
STC: 60.36 +- 6.39
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