[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnb1kbnr/pppq1ppp/4p3/2P5/3P4/5N2/PP2QPPP/RNB1KB1R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:30.993 UTC"] [GameStartTime "2025-06-23T15:40:30.680 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... Nc6 {-0.90 5/0 88 1060978} 2. Nbd2 {-0.85 5/0 93 645189} Nxd4 {+0.40 6/0 107 1877192, White makes an illegal move: b1d2} 0-1