[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rn1qk2r/pppB1ppp/1b1p1n2/8/3PPB2/2N2N2/PPP3PP/R2QK2R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:36:46.315 UTC"] [GameStartTime "2025-07-14T03:36:45.850 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.04+0.04"] 1... Nbxd7 {-0.60 11/11 151 1701503, White makes an illegal move: b1a3} 0-1