4ku

A chess engine written in C++ designed to fit into 4,096 bytes. There are two versions of the engine: 4ku, and 4ku-mini.

4ku and 4ku-mini should be identical in terms of their play, but 4ku’s info strings mean it is probably slightly slower and slightly weaker.

Download • Home • Lichess Bot • C++ • UCI • Robert Taylor (England), Gediminas Masaitis (Lithuania), Gian-Carlo Pascutto (Belgium)

UCI Info

id name 4ku
id author kz04px
option name Threads type spin default 1 min 1 max 256
option name Hash type spin default 64 min 1 max 65536

id name 4ku
id author kz04px
option name Threads type spin default 1 min 1 max 256
option name Hash type spin default 64 min 1 max 65536

id name 4ku 2.0
id author kz04px
option name Threads type spin default 1 min 1 max 256
option name Hash type spin default 64 min 1 max 65536