[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rnbqkbnr/2p2ppp/p2p4/1p6/3P4/5N2/PPP1BPPP/RNBQK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:34.474 UTC"] [GameStartTime "2025-06-23T15:40:34.142 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. a4 {+1.00 5/0 85 1058289} bxa4 {-1.00 6/0 85 980374} 2. Rxa4 {+0.65 5/0 140 1865224, Black makes an illegal move: b5a4} 1-0