[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r2qk1nr/ppp2pp1/2np4/4p2p/4P1b1/2PP1N2/P1PBBPPP/R2QK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:32.871 UTC"] [GameStartTime "2025-06-23T15:43:32.490 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. h3 {+0.05 5/0 92 564992} Bxf3 {-1.35 7/0 145 1176210} 2. Bxf3 {-0.15 6/0 122 1004814, Black makes an illegal move: g4f3} 1-0