[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rn1qk2r/pp2ppbp/2p1bnp1/3p4/4P3/1PNB1P2/P1PPN1PP/R1BQK2R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:21.696 UTC"] [GameStartTime "2025-06-23T15:43:21.293 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... d4 {+0.05 5/0 122 99724} 2. Na4 {-0.35 4/0 144 60448, Black makes an illegal move: d5d4} 1-0