[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqk2r/pp3ppp/2n2n2/3pp3/1b6/1N2P3/PPPNBPPP/R1BQK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:41.439 UTC"] [GameStartTime "2025-06-23T15:40:41.147 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. O-O {-0.75 5/0 89 851224} a5 {+0.35 5/0 92 396652} 2. a3 {-0.70 6/0 83 1546642, Black makes an illegal move: a7a5} 1-0