[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqk2r/ppppbppp/2n2n2/4p3/2PP4/2N1P3/PP3PPP/R1BQKBNR w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:33.354 UTC"] [GameStartTime "2025-06-23T15:40:32.979 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. d5 {-1.20 7/0 262 1831513} Nb4 {-1.15 6/0 88 1610095, White makes an illegal move: d4d5} 0-1