[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkb1r/ppp1np1p/2n3p1/1B1pP3/8/2P1PN2/PP3PPP/R1BQK2R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:25.208 UTC"] [GameStartTime "2025-06-23T15:40:24.889 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... Bg7 {-2.05 5/0 86 463905} 2. Bxc6+ {+0.65 5/0 92 620781} Nxc6 {-7.05 7/0 116 2372005, White makes an illegal move: b5c6} 0-1