[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r3kb1r/pp1b1ppp/1qn1pn2/2p5/4P3/2P2N1P/PPQN1PP1/R1B1KB1R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:37.065 UTC"] [GameStartTime "2025-06-23T15:43:36.728 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. Nc4 {-0.10 6/0 130 2064176} Nb4 {-2.65 5/0 99 730531} 2. cxb4 {+2.70 5/0 83 450385, Black makes an illegal move: c6b4} 1-0