[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r2qk1nr/p1pbb1pp/1pn1pp2/1B1pP3/3P1PP1/5N2/PPP4P/RNBQK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:38:12.416 UTC"] [GameStartTime "2025-07-14T03:38:12.112 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.04+0.04"] 1. Nc3 {+0.60 13/13 147 1818160, Black makes an illegal move: b2b4} 1-0