[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rn1q1rk1/ppp1ppbp/5np1/3p4/4P1b1/1BNP1N2/PPP2PPP/R1BQK2R w KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:30.159 UTC"] [GameStartTime "2025-06-23T15:43:29.875 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. exd5 {+0.90 6/0 85 1364971} Bxf3 {-2.30 6/0 87 561369} 2. Qxf3 {+1.50 5/0 84 574108, Black makes an illegal move: g4f3} 1-0