[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqkb1r/2pp1ppp/p1n2n2/4p3/p3P3/2N2NP1/1PPP1PBP/R1BQK2R w KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T06:12:24.805 UTC"] [GameStartTime "2025-07-04T06:12:19.807 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.059+0.04"] 1. Rxa4 {+0.20 7/7 148 0, Black makes an illegal move: 0000} 1-0