[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqk1nr/ppp2pbp/2n3p1/3pP3/2P5/5NP1/PP2PPBP/RNBQK2R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:37:06.508 UTC"] [GameStartTime "2025-07-14T03:37:06.023 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.04+0.04"] 1... dxc4 {-0.10 11/11 138 483688} 2. Qxd8+ {+0.15 14/14 137 1486351, Black makes an illegal move: b7b6} 1-0