[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1b1kb1r/ppq1pppp/1nn5/2p5/8/1P2PN2/PB1PBPPP/RN1Q1RK1 b kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:34.222 UTC"] [GameStartTime "2025-06-23T15:40:34.012 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... a6 {-0.20 5/0 91 241480} 2. d3 {+0.05 5/0 95 1084238, Black makes an illegal move: a7a6} 1-0