[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqk2r/pp1n1ppp/3b1n2/4p1B1/4P3/2PB4/PP3PPP/RN1QK1NR w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:40.287 UTC"] [GameStartTime "2025-06-23T15:43:40.094 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. b4 {+0.10 5/0 85 536527} h6 {-1.60 5/0 85 869536, White makes an illegal move: b2b4} 0-1