[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rnb1kb1r/pp1p1ppp/1Q2pn2/8/2P5/2N1PN2/PP3PPP/R1B1KB1R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:29.889 UTC"] [GameStartTime "2025-06-23T15:40:29.135 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... axb6 {-1.10 1/0 644 98} 2. Nb5 {+0.50 5/0 86 1655836, Black makes an illegal move: a7b6} 1-0