[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1b1kb1r/ppppqppp/2n2n2/1B2p3/4P3/P2P1N1P/1PP2PP1/RNBQK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:27.131 UTC"] [GameStartTime "2025-06-23T15:40:26.656 UTC"] [PlyCount "4"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. Bxc6 {-0.10 6/0 92 805002} dxc6 {-0.35 5/0 92 357986} 2. Nbd2 {+0.10 1/0 86 30} Qc5 {-0.35 5/0 83 950731, White makes an illegal move: b1d2} 0-1