[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rn1qk2r/pp2ppbp/2p1bnp1/3p4/4P3/1PNB1P2/P1PPN1PP/R1BQK2R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:21.661 UTC"] [GameStartTime "2025-06-23T15:43:21.244 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... d4 {+0.05 5/0 126 466260} 2. Na4 {-0.25 1/0 119 873} Qd6 {-0.90 5/0 84 628632, White makes an illegal move: c3a4} 0-1