[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rnbq1b1r/pp3k1p/5pp1/2pp4/8/8/PPPPBPPP/RNBQK2R b KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:31.278 UTC"] [GameStartTime "2025-06-23T15:40:31.068 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... c4 {-0.40 6/0 94 947779} 2. d3 {+0.05 5/0 91 1145810, Black makes an illegal move: c5c4} 1-0