[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rnbqk2r/ppp2ppp/4pn2/2b5/8/2P2NP1/PP1PQ2P/RNB1KB1R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:34.322 UTC"] [GameStartTime "2025-06-23T15:43:33.999 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. d4 {-1.30 5/0 85 1026272} Bb6 {+0.80 5/0 103 728954} 2. Nbd2 {-1.10 4/0 84 375106, Black makes an illegal move: c5b6} 1-0