[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqk2r/pp1nbppp/2n1p3/2ppP3/3P1P2/2PB1N1P/PP4P1/RNBQK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:27.745 UTC"] [GameStartTime "2025-06-23T15:43:26.787 UTC"] [PlyCount "9"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. dxc5 {-0.75 6/0 86 1506277} Nxc5 {+0.25 6/0 133 643159} 2. Bf1 {-0.70 5/0 108 1130492} h6 {+0.30 5/0 91 328599} 3. Nbd2 {-0.45 5/0 145 888772} O-O {+0.35 5/0 96 746865} 4. b4 {-0.40 5/0 81 975880} f6 {-1.60 6/0 80 889345} 5. bxc5 {-0.05 7/0 89 1743679, Black makes an illegal move: f7f6} 1-0