[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r2qkbnr/ppp2p1p/2n1p1p1/3p1b2/2PP1B2/P1N4P/1P2PPP1/R2QKBNR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:34.313 UTC"] [GameStartTime "2025-06-23T15:43:34.074 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... dxc4 {-0.55 6/0 119 637202} 2. e4 {-0.45 5/0 98 1134278, Black makes an illegal move: d5c4} 1-0