[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rn1qk2r/1b1p1ppp/p3pn2/1pb5/2P5/2N1PN2/PP1B1PPP/R2QKB1R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:40.451 UTC"] [GameStartTime "2025-06-23T15:40:40.058 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. cxb5 {+0.65 6/0 139 1985908} axb5 {-1.60 6/0 126 701403} 2. Nxb5 {+0.80 5/0 105 1168122, Black makes an illegal move: a6b5} 1-0