[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqk1nr/ppp2ppp/1bnp4/3N4/3PP3/8/PP3PPP/R1BQKBNR w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:35.621 UTC"] [GameStartTime "2025-06-23T15:40:35.040 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. Nxb6 {+0.70 6/0 85 1675995} axb6 {-2.60 7/0 381 3349908} 2. d5 {-0.30 6/0 90 1903359, Black makes an illegal move: a7b6} 1-0