[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1b1k1nr/pppp1p1p/2n3p1/2b1p3/2B1P2q/2NP4/PPP1NPPP/R1BQK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:26.703 UTC"] [GameStartTime "2025-06-23T15:43:26.401 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. O-O {+0.40 5/0 87 800220} a6 {-1.25 5/0 104 602061} 2. Nd5 {-1.90 6/0 86 1586769, Black makes an illegal move: a7a6} 1-0