[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rnbqkb1r/pppnp1pp/8/3pP3/8/4BN2/PPP2PPP/RN1QKB1R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:36.769 UTC"] [GameStartTime "2025-06-23T15:43:36.569 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... d4 {-2.10 6/0 84 792404} 2. Qxd4 {+1.40 6/0 84 1316891, Black makes an illegal move: d5d4} 1-0