[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqkb1r/4pppp/p1n2n2/1p1p4/8/1P1B1N2/P1PP1PPP/RNBQK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:39.914 UTC"] [GameStartTime "2025-06-23T15:40:39.458 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. Bb2 {-1.25 6/0 87 1800939} b4 {-0.10 6/0 103 783624} 2. a3 {-0.65 6/0 83 1223208, Black makes an illegal move: b5b4} 1-0