[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnb1k1nr/p1ppqpbp/1p2p1p1/4P3/3P1P2/4BN2/PPP3PP/RN1QKB1R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:28.860 UTC"] [GameStartTime "2025-06-23T15:43:28.567 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... Nh6 {-1.10 5/0 87 1109982} 2. a3 {+0.05 5/0 96 484864} Nf5 {-0.65 5/0 85 1027427, White makes an illegal move: a2a3} 0-1