[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqk2r/pp1pbppp/2n1pn2/2p5/4PP2/2NPB2N/PPP3PP/R2QKB1R b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T05:16:49.804 UTC"] [GameStartTime "2025-07-04T05:16:44.805 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... Qb6 {+0.25 5/5 297 0, White makes an illegal move: 0000} 0-1