[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqk2r/pp3ppp/2n1pn2/3p4/8/2PB1N2/PPP2PPP/R1BQ1RK1 w kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:26:42.495 UTC"] [GameStartTime "2025-07-14T03:26:42.008 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1. c4 {+0.15 10/10 139 592864} d4 {-0.20 13/13 148 1588321, White makes an illegal move: c3c4} 0-1