[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1b1k2r/pp3ppp/2nP1n2/2pp4/5B2/5N2/PqP1PPPP/R2QKB1R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:41.885 UTC"] [GameStartTime "2025-06-23T15:40:41.564 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. e3 {-0.10 4/0 92 153372} c4 {-0.05 5/0 85 794420} 2. Nd4 {-1.05 5/0 107 1056374, Black makes an illegal move: c5c4} 1-0