[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnbqkbnr/pp4pp/2p2p2/3p4/4p3/1P2P1N1/P1PPBPPP/RNBQ1RK1 b kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:24:50.701 UTC"] [GameStartTime "2025-07-14T03:24:49.962 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1... f5 {0.00 12/12 393 2836462, White makes an illegal move: g2h3} 0-1