[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnbqkbnr/ppp4p/3p1pp1/8/1P1B4/5N2/P1P1PPPP/RN1QKB1R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:30.764 UTC"] [GameStartTime "2025-06-23T15:40:30.545 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. b5 {+0.65 6/0 87 871478} c5 {-0.70 5/0 86 766252, White makes an illegal move: b4b5} 0-1