Claim: Leela Chess Zero, developed by programmer Gary Linscott (who is also a developer for the Stockfish chess engine), is a free, open-source, and neural network-based chess engine and distributed computing project that has participated in the Chess.com Computer Chess Championship (CCCC) where it finished 3rd in the 2018 events, and 2nd in the 3rd to 6th iteration of the event.
Evidence: In the 2018 Chess.com Computer Chess Championship (CCCC), Leela placed fifth out of 24 entrants.