[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkbnr/ppp2ppp/8/4pb2/Q2n4/2N2N2/PP1PPPPP/R1B1KB1R b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T07:55:49.304 UTC"] [GameStartTime "2025-07-04T07:55:44.304 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.01+0.04"] 1... b5 {+0.95 9/9 137 0, White makes an illegal move: 0000} 0-1