[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqkbnr/pp3ppp/2pp4/8/4P3/2NP3P/PP3PP1/R1BQKB1R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:37.746 UTC"] [GameStartTime "2025-06-23T15:40:37.458 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. d4 {+0.55 4/0 84 143276} a6 {-1.00 5/0 92 540633} 2. Be3 {+0.75 5/0 86 1161996, Black makes an illegal move: a7a6} 1-0