BOT sunfish-nnue-engine

sunfish's neural sibling: a NNUE python engine in 4096 bytes. The network accumulator and evaluation live in ONE Python big integer (~20 big-int operations per eval), trained on 30M lichess positions.

Hosted on an Ampere A1 (2 dedicated ARM cores, 12 GB), ~22 kn/s on pypy3. Pondering enabled.

Source: github.com/thomasahle/sunfish.

Denmark

Member since 11 Aug 2026

Active

Time spent playing: 29 days, 21 hours