[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnbqkb1r/pp4pp/5n2/2p2p2/3p4/3P2N1/PPPBQPPP/R3KBNR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:26.764 UTC"] [GameStartTime "2025-06-23T15:40:26.379 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... Kf7 {-0.10 5/0 103 457968} 2. a4 {-0.40 5/0 100 948455} Nc6 {-0.05 5/0 88 1081949, White makes an illegal move: a2a4} 0-1