[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1b1k2r/ppppnpp1/5q1p/2b1p3/2P1P3/3P1N2/PP2BPPP/RN1Q1RK1 b kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:42.279 UTC"] [GameStartTime "2025-06-23T15:40:41.974 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... d6 {+0.20 4/0 84 306122} 2. a3 {-1.15 5/0 111 565716} Be6 {+0.10 5/0 84 1128484, White makes an illegal move: a2a3} 0-1