[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rn1qkbnr/5ppp/b1p1p3/3p4/3P4/2N1P3/PPQ2PPP/R1B1KBNR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:32:29.097 UTC"] [GameStartTime "2025-06-23T15:32:28.700 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... Nf6 {-1.70 6/0 93 1634318} 2. Bxa6 {+0.75 6/0 104 631011} Nxa6 {-1.40 6/0 88 1443139, White makes an illegal move: f1a6} 0-1